20春学期（1709、1803、1809、1903、1909、2003）《线性代数》在线作业

adminhan

<img alt="" width="317" height="157" src="http://file.open.com.cn/ItemDB/60124/f0068c04-ad15-4386-8876-5e6c52b6b3bf/201253155330318.png" />nbsp;
A:<img alt="" width="48" height="25" src="http://file.open.com.cn/ItemDB/60124/f0068c04-ad15-4386-8876-5e6c52b6b3bf/201253155345225.png" />nbsp;
B:<img width="55" height="23" alt="" src="http://file.open.com.cn/ItemDB/60124/f0068c04-ad15-4386-8876-5e6c52b6b3bf/201254163318129.png" />nbsp;
C:<img alt="" width="63" height="21" src="http://file.open.com.cn/ItemDB/60124/f0068c04-ad15-4386-8876-5e6c52b6b3bf/201253155411663.png" />nbsp;
D:<img alt="" width="48" height="22" src="http://file.open.com.cn/ItemDB/60124/f0068c04-ad15-4386-8876-5e6c52b6b3bf/20125315542470.png" />nbsp;

<img alt="" width="386" height="173" src="http://file.open.com.cn/ItemDB/60124/bf24ba50-b635-4501-b62f-ec3a36ace937/201253165032912.png" />nbsp;nbsp;
A:<img alt="" width="28" height="18" src="http://file.open.com.cn/ItemDB/60124/bf24ba50-b635-4501-b62f-ec3a36ace937/201253165043819.png" />nbsp;
B:<img alt="" width="28" height="24" src="http://file.open.com.cn/ItemDB/60124/bf24ba50-b635-4501-b62f-ec3a36ace937/201253165054397.png" />nbsp;
C:<img width="36" height="25" alt="" src="http://file.open.com.cn/ItemDB/60124/bf24ba50-b635-4501-b62f-ec3a36ace937/201254164057495.png" />nbsp;
D:<img alt="" width="48" height="24" src="http://file.open.com.cn/ItemDB/60124/bf24ba50-b635-4501-b62f-ec3a36ace937/201253165116835.png" />nbsp;

<img alt="" width="291" height="108" src="http://file.open.com.cn/ItemDB/60124/4c3a2634-1de5-4e68-a7f1-8237e16a64cd/201253164333946.png" />nbsp;
A:<img alt="" width="108" height="22" src="http://file.open.com.cn/ItemDB/60124/4c3a2634-1de5-4e68-a7f1-8237e16a64cd/201253164345743.png" />nbsp;nbsp;nbsp;
B:<img alt="" width="94" height="20" src="http://file.open.com.cn/ItemDB/60124/4c3a2634-1de5-4e68-a7f1-8237e16a64cd/20125316441806.png" />nbsp;nbsp;nbsp;
C:<img width="238" height="24" alt="" src="http://file.open.com.cn/ItemDB/60124/4c3a2634-1de5-4e68-a7f1-8237e16a64cd/2012541640727.png" />nbsp;
D:<img alt="" width="176" height="24" src="http://file.open.com.cn/ItemDB/60124/4c3a2634-1de5-4e68-a7f1-8237e16a64cd/201253164440791.png" />nbsp;

<img alt="" width="541" height="110" src="http://file.open.com.cn/ItemDB/60124/20fbd461-f20a-4dc2-b549-d6a34d939c72/20125491244727.png" />nbsp;nbsp;nbsp;
A:<img alt="" width="79" height="102" src="http://file.open.com.cn/ItemDB/60124/20fbd461-f20a-4dc2-b549-d6a34d939c72/20125491254414.png" />nbsp;nbsp;
B:<img alt="" width="78" height="99" src="http://file.open.com.cn/ItemDB/60124/20fbd461-f20a-4dc2-b549-d6a34d939c72/2012549133976.png" />nbsp;nbsp;
C:<img width="81" height="100" alt="" src="http://file.open.com.cn/ItemDB/60124/20fbd461-f20a-4dc2-b549-d6a34d939c72/201254164923190.png" />nbsp;
D:<img alt="" width="79" height="98" src="http://file.open.com.cn/ItemDB/60124/20fbd461-f20a-4dc2-b549-d6a34d939c72/20125491323600.png" />nbsp;nbsp;

<img alt="" width="368" height="41" src="http://file.open.com.cn/ItemDB/60124/c9857f3d-1172-49c3-9509-dd6d5ca80e67/201253151719177.png" />nbsp;
A:<p>1</p>
B:<p>-1</p>
C:<p>plusmn;1</p>
D:0

<img width="448" height="54" alt="" src="http://file.open.com.cn/ItemDB/60124/4f36f211-d50e-496c-bd6e-a091d822cdbe/20125485154822.png" />nbsp;nbsp;
A:16
B:26
C:-16
D:0

<img alt="" width="504" height="110" src="http://file.open.com.cn/ItemDB/60124/e65992c0-04c9-47c5-8189-f70d21f77a8e/20125491038546.png" />nbsp;nbsp;nbsp;
A:<img alt="" width="74" height="23" src="http://file.open.com.cn/ItemDB/60124/e65992c0-04c9-47c5-8189-f70d21f77a8e/20125491047983.png" />nbsp;nbsp;nbsp;
B:<img width="72" height="24" alt="" src="http://file.open.com.cn/ItemDB/60124/e65992c0-04c9-47c5-8189-f70d21f77a8e/201254164856267.png" />nbsp;nbsp;
C:<img alt="" width="75" height="23" src="http://file.open.com.cn/ItemDB/60124/e65992c0-04c9-47c5-8189-f70d21f77a8e/2012549119154.png" />nbsp;nbsp;
D:<img alt="" width="121" height="23" src="http://file.open.com.cn/ItemDB/60124/e65992c0-04c9-47c5-8189-f70d21f77a8e/20125491118591.png" />nbsp;nbsp;nbsp;nbsp;

<img alt="" width="114" height="38" src="http://file.open.com.cn/ItemDB/60124/34645fba-7248-484b-9df8-aef23ff5b858/20125315556514.png" />nbsp;
A:<img alt="" width="84" height="34" src="http://file.open.com.cn/ItemDB/60124/34645fba-7248-484b-9df8-aef23ff5b858/2012531567419.png" />nbsp;
B:<img width="71" height="31" alt="" src="http://file.open.com.cn/ItemDB/60124/34645fba-7248-484b-9df8-aef23ff5b858/20125416243476.png" />nbsp;

<img width="537" height="154" alt="" src="http://file.open.com.cn/ItemDB/60124/5d0ae671-c3cd-4017-81dc-322b7ef7718c/20125484835239.png" />nbsp;nbsp;
A:1
B:2
C:3
D:4

<img alt="" width="537" height="110" src="http://file.open.com.cn/ItemDB/60124/9a96c6ca-c4f8-4a87-9aaf-8e494bc1eb96/2012549112497.png" />nbsp;nbsp;
A:<img width="231" height="27" alt="" src="http://file.open.com.cn/ItemDB/60124/9a96c6ca-c4f8-4a87-9aaf-8e494bc1eb96/201254164751906.png" />nbsp;nbsp;
B:<img alt="" width="232" height="27" src="http://file.open.com.cn/ItemDB/60124/9a96c6ca-c4f8-4a87-9aaf-8e494bc1eb96/2012549132652.png" />nbsp;nbsp;
C:<img alt="" width="232" height="28" src="http://file.open.com.cn/ItemDB/60124/9a96c6ca-c4f8-4a87-9aaf-8e494bc1eb96/2012549141167.png" />nbsp;nbsp;
D:<img alt="" width="235" height="25" src="http://file.open.com.cn/ItemDB/60124/9a96c6ca-c4f8-4a87-9aaf-8e494bc1eb96/201254915157.png" />nbsp;nbsp;

<img alt="" width="333" height="87" src="http://file.open.com.cn/ItemDB/60124/854fc1ad-fba4-4984-8ee9-4ac74e8c3b7a/201253162839964.png" />nbsp;
A:<img width="189" height="25" alt="" src="http://file.open.com.cn/ItemDB/60124/854fc1ad-fba4-4984-8ee9-4ac74e8c3b7a/201254163816262.png" />nbsp;nbsp;
B:<img alt="" width="192" height="31" src="http://file.open.com.cn/ItemDB/60124/79b343c7-c30e-482f-b22f-ebcaeeb60681/201253162931809.png" />nbsp;
C:<img alt="" width="178" height="26" src="http://file.open.com.cn/ItemDB/60124/79b343c7-c30e-482f-b22f-ebcaeeb60681/201253162945669.png" />nbsp;nbsp;
D:<img alt="" width="170" height="25" src="http://file.open.com.cn/ItemDB/60124/79b343c7-c30e-482f-b22f-ebcaeeb60681/201253162959670.png" />nbsp;

<img alt="" width="469" height="85" src="http://file.open.com.cn/ItemDB/60124/c4b0bcd6-f950-4292-93e7-ac8bed1b725d/20125317927902.png" />nbsp;nbsp;
A:<img width="139" height="73" alt="" src="http://file.open.com.cn/ItemDB/60124/c4b0bcd6-f950-4292-93e7-ac8bed1b725d/201254164352418.png" />nbsp;nbsp;nbsp;nbsp;
B:<img alt="" width="127" height="71" src="http://file.open.com.cn/ItemDB/60124/c4b0bcd6-f950-4292-93e7-ac8bed1b725d/20125317950559.png" />nbsp;nbsp;

<img width="492" height="73" alt="" src="http://file.open.com.cn/ItemDB/60124/80ebd563-a244-48fc-a042-6e3da2ba76f2/20125316432980.png" />nbsp;nbsp;
A:1
B:2
C:3
D:4

<img alt="" width="525" height="120" src="http://file.open.com.cn/ItemDB/60124/4df6a3b2-81f7-4b92-ae50-4748219745c2/20125484727648.png" />nbsp;nbsp;nbsp;
A:<img alt="" width="117" height="81" src="http://file.open.com.cn/ItemDB/60124/4df6a3b2-81f7-4b92-ae50-4748219745c2/20125484740476.png" />nbsp;
B:<img width="142" height="80" alt="" src="http://file.open.com.cn/ItemDB/60124/4df6a3b2-81f7-4b92-ae50-4748219745c2/201254164540357.png" />nbsp;nbsp;
C:<img alt="" width="137" height="83" src="http://file.open.com.cn/ItemDB/60124/4df6a3b2-81f7-4b92-ae50-4748219745c2/2012548480959.png" />nbsp;nbsp;
D:<img alt="" width="124" height="84" src="http://file.open.com.cn/ItemDB/60124/4df6a3b2-81f7-4b92-ae50-4748219745c2/20125484811443.png" />nbsp;nbsp;nbsp;

<img alt="" width="344" height="65" src="http://file.open.com.cn/ItemDB/60124/3497c493-ca55-4fa0-b820-696274900b6c/201253154157171.png" />nbsp;
A:<img alt="" width="70" height="58" src="http://file.open.com.cn/ItemDB/60124/3497c493-ca55-4fa0-b820-696274900b6c/20125315429531.png" />nbsp;
B:<img alt="" width="71" height="60" src="http://file.open.com.cn/ItemDB/60124/3497c493-ca55-4fa0-b820-696274900b6c/201253154223594.png" />nbsp;nbsp;
C:<img alt="" width="71" height="61" src="http://file.open.com.cn/ItemDB/60124/3497c493-ca55-4fa0-b820-696274900b6c/201253154236907.png" />nbsp;
D:<p><img width="69" height="59" alt="" src="http://file.open.com.cn/ItemDB/60124/3497c493-ca55-4fa0-b820-696274900b6c/201254163159482.png" /></p>

<img alt="" width="528" height="38" src="http://file.open.com.cn/ItemDB/60124/82b6a69d-d511-4e13-8bd7-20d0846cfe5e/201254902610.png" />nbsp;nbsp;
A:<img alt="" width="451" height="29" src="http://file.open.com.cn/ItemDB/60124/82b6a69d-d511-4e13-8bd7-20d0846cfe5e/2012549012812.png" />nbsp;
B:<img width="409" height="68" alt="" src="http://file.open.com.cn/ItemDB/60124/82b6a69d-d511-4e13-8bd7-20d0846cfe5e/20125416474046.png" />nbsp;nbsp;
C:<img alt="" width="455" height="65" src="http://file.open.com.cn/ItemDB/60124/82b6a69d-d511-4e13-8bd7-20d0846cfe5e/2012549031968.png" />nbsp;nbsp;nbsp;
D:<img alt="" width="427" height="27" src="http://file.open.com.cn/ItemDB/60124/82b6a69d-d511-4e13-8bd7-20d0846cfe5e/2012549045904.png" />nbsp;nbsp;nbsp;

<img alt="" width="418" height="89" src="http://file.open.com.cn/ItemDB/60124/f3011523-9f1e-418b-9b6d-e2e8a432d5e0/201254913455.png" />nbsp;nbsp;nbsp;
A:<img alt="" width="76" height="27" src="http://file.open.com.cn/ItemDB/60124/f3011523-9f1e-418b-9b6d-e2e8a432d5e0/20125491353223.png" />nbsp;nbsp;
B:<img width="73" height="25" alt="" src="http://file.open.com.cn/ItemDB/60124/f3011523-9f1e-418b-9b6d-e2e8a432d5e0/201254164934877.png" />nbsp;nbsp;
C:<img alt="" width="76" height="25" src="http://file.open.com.cn/ItemDB/60124/f3011523-9f1e-418b-9b6d-e2e8a432d5e0/20125491410613.png" />nbsp;nbsp;
D:<img alt="" width="70" height="24" src="http://file.open.com.cn/ItemDB/60124/f3011523-9f1e-418b-9b6d-e2e8a432d5e0/20125491421613.png" />nbsp;nbsp;nbsp;

<img alt="" width="386" height="87" src="http://file.open.com.cn/ItemDB/60124/10b6cf5d-62cf-4e86-8cce-4bf8ed3d195c/201253162446284.png" />nbsp;
A:<img alt="" width="63" height="23" src="http://file.open.com.cn/ItemDB/60124/10b6cf5d-62cf-4e86-8cce-4bf8ed3d195c/201253162458394.png" />nbsp;nbsp;
B:<img width="75" height="27" alt="" src="http://file.open.com.cn/ItemDB/60124/10b6cf5d-62cf-4e86-8cce-4bf8ed3d195c/201254163749169.png" />nbsp;nbsp;nbsp;
C:<img alt="" width="49" height="25" src="http://file.open.com.cn/ItemDB/60124/10b6cf5d-62cf-4e86-8cce-4bf8ed3d195c/201253162533114.png" />nbsp;
D:<img alt="" width="39" height="21" src="http://file.open.com.cn/ItemDB/60124/10b6cf5d-62cf-4e86-8cce-4bf8ed3d195c/201253162546521.png" />nbsp;

<img alt="" width="131" height="37" src="http://file.open.com.cn/ItemDB/60124/fafb9aa8-5cb6-4b60-b8c9-6920eb70acdd/2012531552145.png" />nbsp;
A:<img alt="" width="61" height="32" src="http://file.open.com.cn/ItemDB/60124/fafb9aa8-5cb6-4b60-b8c9-6920eb70acdd/20125315514816.png" />nbsp;
B:<img width="53" height="24" alt="" src="http://file.open.com.cn/ItemDB/60124/fafb9aa8-5cb6-4b60-b8c9-6920eb70acdd/201254162415502.png" />nbsp;

<img alt="" width="500" height="195" src="http://file.open.com.cn/ItemDB/60124/b181a099-8210-4279-ae60-1bb5a2d18341/20125485824380.png" />nbsp;nbsp;
A:<img alt="" width="335" height="27" src="http://file.open.com.cn/ItemDB/60124/b181a099-8210-4279-ae60-1bb5a2d18341/20125485833567.png" />nbsp;
B:<img width="351" height="23" alt="" src="http://file.open.com.cn/ItemDB/60124/b181a099-8210-4279-ae60-1bb5a2d18341/201254164720358.png" />nbsp;

<img alt="" width="399" height="111" src="http://file.open.com.cn/ItemDB/60124/c77eff5e-1e37-4541-99b7-4e9c87e14bf1/20125316645625.png" />nbsp;
A:<img alt="" width="99" height="29" src="http://file.open.com.cn/ItemDB/60124/c77eff5e-1e37-4541-99b7-4e9c87e14bf1/20125316657375.png" />nbsp;
B:<img width="116" height="28" alt="" src="http://file.open.com.cn/ItemDB/60124/c77eff5e-1e37-4541-99b7-4e9c87e14bf1/201254163615516.png" />nbsp;
C:<img alt="" width="110" height="28" src="http://file.open.com.cn/ItemDB/60124/c77eff5e-1e37-4541-99b7-4e9c87e14bf1/20125316724642.png" />nbsp;
D:<img alt="" width="107" height="25" src="http://file.open.com.cn/ItemDB/60124/c77eff5e-1e37-4541-99b7-4e9c87e14bf1/20125316738392.png" />nbsp;

<img alt="" width="349" height="85" src="http://file.open.com.cn/ItemDB/60124/55e3478f-a5c0-4128-9ee6-5d87f2041179/201253164618326.png" />nbsp;
A:<img alt="" width="19" height="22" src="http://file.open.com.cn/ItemDB/60124/55e3478f-a5c0-4128-9ee6-5d87f2041179/201253164634326.png" />nbsp;
B:<img width="15" height="20" alt="" src="http://file.open.com.cn/ItemDB/60124/55e3478f-a5c0-4128-9ee6-5d87f2041179/201254164022104.png" />nbsp;
C:<img alt="" width="164" height="23" src="http://file.open.com.cn/ItemDB/60124/55e3478f-a5c0-4128-9ee6-5d87f2041179/20125316473905.png" />nbsp;
D:<img alt="" width="24" height="24" src="http://file.open.com.cn/ItemDB/60124/55e3478f-a5c0-4128-9ee6-5d87f2041179/201253164716671.png" />nbsp;

<img alt="" width="477" height="65" src="http://file.open.com.cn/ItemDB/60124/cf015867-63be-48ef-ae94-7e64712ce605/20125317233732.png" />nbsp;nbsp;nbsp;nbsp;
A:<img alt="" width="150" height="22" src="http://file.open.com.cn/ItemDB/60124/cf015867-63be-48ef-ae94-7e64712ce605/20125317349953.png" />nbsp;nbsp;
B:<img width="160" height="20" alt="" src="http://file.open.com.cn/ItemDB/60124/cf015867-63be-48ef-ae94-7e64712ce605/201254164247151.png" />nbsp;nbsp;

<img alt="" width="528" height="179" src="http://file.open.com.cn/ItemDB/60124/eddf10ea-a34a-42d0-99f3-2b860cbcc495/201253161148166.png" />nbsp;
A:<img alt="" width="207" height="26" src="http://file.open.com.cn/ItemDB/60124/eddf10ea-a34a-42d0-99f3-2b860cbcc495/20125316122854.png" />nbsp;
B:<img alt="" width="185" height="25" src="http://file.open.com.cn/ItemDB/60124/eddf10ea-a34a-42d0-99f3-2b860cbcc495/201253161216260.png" />nbsp;
C:<img alt="" width="211" height="25" src="http://file.open.com.cn/ItemDB/60124/eddf10ea-a34a-42d0-99f3-2b860cbcc495/20125316131106.png" />
D:<p><img width="196" height="25" alt="" src="http://file.open.com.cn/ItemDB/60124/eddf10ea-a34a-42d0-99f3-2b860cbcc495/201254163710310.png" /></p>

<img alt="" width="155" height="105" src="http://file.open.com.cn/ItemDB/60124/5c7c514b-f5f8-40d7-ae9b-bf7c6ce113a1/20125317831884.png" />nbsp;nbsp;nbsp;nbsp;
A:<img width="76" height="101" alt="" src="http://file.open.com.cn/ItemDB/60124/5c7c514b-f5f8-40d7-ae9b-bf7c6ce113a1/201254164333246.png" />nbsp;nbsp;
B:<img alt="" width="99" height="98" src="http://file.open.com.cn/ItemDB/60124/5c7c514b-f5f8-40d7-ae9b-bf7c6ce113a1/20125317859198.png" />nbsp;nbsp;

<img alt="" width="430" height="94" src="http://file.open.com.cn/ItemDB/60124/a0bbf6c7-353b-4226-b5d8-02d6a8531904/201253154031637.png" />nbsp;
A:<img alt="" width="118" height="59" src="http://file.open.com.cn/ItemDB/60124/a0bbf6c7-353b-4226-b5d8-02d6a8531904/201253154045887.png" />nbsp;
B:<img alt="" width="118" height="56" src="http://file.open.com.cn/ItemDB/60124/a0bbf6c7-353b-4226-b5d8-02d6a8531904/201253154059122.png" />nbsp;
C:nbsp;<img width="111" height="55" alt="" src="http://file.open.com.cn/ItemDB/60124/a0bbf6c7-353b-4226-b5d8-02d6a8531904/201254163141858.png" />
D:<img alt="" width="117" height="54" src="http://file.open.com.cn/ItemDB/60124/a0bbf6c7-353b-4226-b5d8-02d6a8531904/201253154128483.png" />nbsp;

<img alt="" width="411" height="29" src="http://file.open.com.cn/ItemDB/60124/93158a36-c8f8-47fa-8981-a065f3131660/20125492629216.png" />nbsp;nbsp;
A:<img alt="" width="98" height="23" src="http://file.open.com.cn/ItemDB/60124/93158a36-c8f8-47fa-8981-a065f3131660/20125492638356.png" />nbsp;nbsp;
B:<img alt="" width="102" height="28" src="http://file.open.com.cn/ItemDB/60124/93158a36-c8f8-47fa-8981-a065f3131660/20125492647762.png" />nbsp;nbsp;
C:<img alt="" width="193" height="23" src="http://file.open.com.cn/ItemDB/60124/93158a36-c8f8-47fa-8981-a065f3131660/20125492657402.png" />nbsp;nbsp;nbsp;nbsp;
D:<img width="102" height="23" alt="" src="http://file.open.com.cn/ItemDB/60124/93158a36-c8f8-47fa-8981-a065f3131660/201254165154897.png" />nbsp;nbsp;

<img alt="" width="534" height="150" src="http://file.open.com.cn/ItemDB/60124/147d0844-f52a-4732-92cf-e0e6006b8ac4/20125491144199.png" />nbsp;nbsp;nbsp;
A:<img alt="" width="124" height="25" src="http://file.open.com.cn/ItemDB/60124/147d0844-f52a-4732-92cf-e0e6006b8ac4/20125491154620.png" />nbsp;nbsp;
B:<img alt="" width="127" height="25" src="http://file.open.com.cn/ItemDB/60124/147d0844-f52a-4732-92cf-e0e6006b8ac4/2012549124245.png" />nbsp;nbsp;
C:<img width="116" height="24" alt="" src="http://file.open.com.cn/ItemDB/60124/147d0844-f52a-4732-92cf-e0e6006b8ac4/20125416498549.png" />nbsp;nbsp;
D:<img alt="" width="115" height="24" src="http://file.open.com.cn/ItemDB/60124/147d0844-f52a-4732-92cf-e0e6006b8ac4/20125491224244.png" />nbsp;nbsp;nbsp;

nbsp;<img alt="" width="491" height="81" src="http://file.open.com.cn/ItemDB/60124/79f6b9bf-7886-4d33-980b-b1e629f50573/2012531521209.png" />
A:<img alt="" width="280" height="64" src="http://file.open.com.cn/ItemDB/60124/79f6b9bf-7886-4d33-980b-b1e629f50573/201253152134885.png" />nbsp;
B:<img width="275" height="60" alt="" src="http://file.open.com.cn/ItemDB/60124/79f6b9bf-7886-4d33-980b-b1e629f50573/201254162646569.png" />nbsp;

<img width="508" height="138" alt="" src="http://file.open.com.cn/ItemDB/60124/cf3dea61-4ae4-44bc-92b5-7fa988a181f1/20125315575138.png" />nbsp;
A:1
B:-5
C:5
D:0

<img alt="" width="413" height="33" src="http://file.open.com.cn/ItemDB/60124/48dc4176-b19e-4208-ae77-ac44509c2359/20125491813523.png" />nbsp;nbsp;
A:<img width="484" height="88" alt="" src="http://file.open.com.cn/ItemDB/60124/48dc4176-b19e-4208-ae77-ac44509c2359/201254165048645.png" />nbsp;nbsp;nbsp;
B:<img alt="" width="404" height="28" src="http://file.open.com.cn/ItemDB/60124/48dc4176-b19e-4208-ae77-ac44509c2359/20125491833803.png" />nbsp;nbsp;nbsp;
C:<img alt="" width="456" height="67" src="http://file.open.com.cn/ItemDB/60124/48dc4176-b19e-4208-ae77-ac44509c2359/20125491843771.png" />nbsp;nbsp;
D:<img alt="" width="275" height="30" src="http://file.open.com.cn/ItemDB/60124/48dc4176-b19e-4208-ae77-ac44509c2359/20125491854786.png" />nbsp;nbsp;nbsp;

<img width="454" height="83" alt="" src="http://file.open.com.cn/ItemDB/60124/c7754e92-811c-470c-b162-50d81991189e/2012548544503.png" />nbsp;nbsp;
A:1
B:-1
C:-2
D:2

<img alt="" width="521" height="111" src="http://file.open.com.cn/ItemDB/60124/82ce3d91-3b35-46f4-b222-2cb8b751d64b/201253168196.png" />nbsp;nbsp;
A:<img alt="" width="97" height="28" src="http://file.open.com.cn/ItemDB/60124/82ce3d91-3b35-46f4-b222-2cb8b751d64b/20125316814753.png" />nbsp;
B:<img alt="" width="94" height="28" src="http://file.open.com.cn/ItemDB/60124/82ce3d91-3b35-46f4-b222-2cb8b751d64b/20125316825581.png" />nbsp;nbsp;
C:<img width="61" height="22" alt="" src="http://file.open.com.cn/ItemDB/60124/82ce3d91-3b35-46f4-b222-2cb8b751d64b/201254163629874.png" />nbsp;
D:<img alt="" width="90" height="23" src="http://file.open.com.cn/ItemDB/60124/82ce3d91-3b35-46f4-b222-2cb8b751d64b/20125316850770.png" />nbsp;

<img alt="" width="348" height="80" src="http://file.open.com.cn/ItemDB/60124/e3cdf762-8934-47a8-a568-6f6bcd5944d9/20125492111389.png" />nbsp;nbsp;
A:<img alt="" width="78" height="73" src="http://file.open.com.cn/ItemDB/60124/e3cdf762-8934-47a8-a568-6f6bcd5944d9/20125492126950.png" />nbsp;nbsp;
B:<img alt="" width="75" height="75" src="http://file.open.com.cn/ItemDB/60124/e3cdf762-8934-47a8-a568-6f6bcd5944d9/20125492137622.png" />nbsp;nbsp;nbsp;
C:<img width="77" height="75" alt="" src="http://file.open.com.cn/ItemDB/60124/e3cdf762-8934-47a8-a568-6f6bcd5944d9/201254165113849.png" />nbsp;nbsp;nbsp;
D:<img alt="" width="72" height="74" src="http://file.open.com.cn/ItemDB/60124/e3cdf762-8934-47a8-a568-6f6bcd5944d9/2012549225511.png" />nbsp;nbsp;nbsp;

<img alt="" src="http://file.open.com.cn/ItemDB/60124/264c702a-c86e-4a90-92e5-5bff6d30c3fd/20125491441127.png" />nbsp;nbsp;nbsp;
A:<img width="177" height="97" alt="" src="http://file.open.com.cn/ItemDB/60124/264c702a-c86e-4a90-92e5-5bff6d30c3fd/201254164957472.png" />nbsp;nbsp;nbsp;nbsp;
B:<img alt="" width="151" height="99" src="http://file.open.com.cn/ItemDB/60124/264c702a-c86e-4a90-92e5-5bff6d30c3fd/2012549156704.png" />nbsp;
C:<img alt="" width="162" height="98" src="http://file.open.com.cn/ItemDB/60124/264c702a-c86e-4a90-92e5-5bff6d30c3fd/2012549152194.png" />nbsp;
D:<img alt="" width="168" height="100" src="http://file.open.com.cn/ItemDB/60124/264c702a-c86e-4a90-92e5-5bff6d30c3fd/20125491529953.png" />nbsp;

<img alt="" width="479" height="70" src="http://file.open.com.cn/ItemDB/60124/9854c4db-d1e1-46c9-a9a8-22dfca185a1a/201253154917669.png" />nbsp;nbsp;
A:<img alt="" width="166" height="64" src="http://file.open.com.cn/ItemDB/60124/9854c4db-d1e1-46c9-a9a8-22dfca185a1a/201253154933404.png" />nbsp;
B:<img alt="" width="164" height="56" src="http://file.open.com.cn/ItemDB/60124/9854c4db-d1e1-46c9-a9a8-22dfca185a1a/201253154946670.png" />nbsp;
C:<img width="164" height="54" alt="" src="http://file.open.com.cn/ItemDB/60124/9854c4db-d1e1-46c9-a9a8-22dfca185a1a/20125416322126.png" />nbsp;nbsp;
D:<img alt="" width="172" height="57" src="http://file.open.com.cn/ItemDB/60124/9854c4db-d1e1-46c9-a9a8-22dfca185a1a/201253155014749.png" />nbsp;nbsp;

<img alt="" width="442" height="73" src="http://file.open.com.cn/ItemDB/60124/e215d905-c3c2-4729-8682-513260d552f8/2012531713218.png" />nbsp;nbsp;nbsp;
A:<img width="30" height="23" alt="" src="http://file.open.com.cn/ItemDB/60124/e215d905-c3c2-4729-8682-513260d552f8/201254164435324.png" />nbsp;nbsp;
B:<img alt="" width="30" height="24" src="http://file.open.com.cn/ItemDB/60124/e215d905-c3c2-4729-8682-513260d552f8/201253171330644.png" />nbsp;nbsp;nbsp;
C:<img alt="" width="21" height="24" src="http://file.open.com.cn/ItemDB/60124/e215d905-c3c2-4729-8682-513260d552f8/201253171342972.png" />nbsp;nbsp;
D:<img alt="" width="22" height="19" src="http://file.open.com.cn/ItemDB/60124/e215d905-c3c2-4729-8682-513260d552f8/201253171355441.png" />nbsp;nbsp;

<img alt="" width="295" height="32" src="http://file.open.com.cn/ItemDB/60124/4e895dc9-f5c2-402e-845d-ef20536dd404/20125492513376.png" />nbsp;nbsp;nbsp;
A:<img alt="" width="124" height="24" src="http://file.open.com.cn/ItemDB/60124/4e895dc9-f5c2-402e-845d-ef20536dd404/20125492521766.png" />nbsp;nbsp;
B:<img width="69" height="26" alt="" src="http://file.open.com.cn/ItemDB/60124/4e895dc9-f5c2-402e-845d-ef20536dd404/201254165140849.png" />nbsp;
C:<img alt="" width="261" height="22" src="http://file.open.com.cn/ItemDB/60124/4e895dc9-f5c2-402e-845d-ef20536dd404/20125492553546.png" />nbsp;nbsp;
D:<img alt="" width="390" height="26" src="http://file.open.com.cn/ItemDB/60124/4e895dc9-f5c2-402e-845d-ef20536dd404/2012549263561.png" />nbsp;nbsp;nbsp;

<img alt="" width="325" height="108" src="http://file.open.com.cn/ItemDB/60124/7e12b1f2-2cbc-4711-b495-779d1d665bc3/20125317226363.png" />nbsp;nbsp;
A:<img width="136" height="59" alt="" src="http://file.open.com.cn/ItemDB/60124/7e12b1f2-2cbc-4711-b495-779d1d665bc3/201254164459372.png" />nbsp;nbsp;
B:<img alt="" width="104" height="62" src="http://file.open.com.cn/ItemDB/60124/7e12b1f2-2cbc-4711-b495-779d1d665bc3/201253172226333.png" />nbsp;nbsp;nbsp;
C:<img alt="" width="94" height="60" src="http://file.open.com.cn/ItemDB/60124/7e12b1f2-2cbc-4711-b495-779d1d665bc3/201253172725983.png" />nbsp;nbsp;
D:<img alt="" width="132" height="61" src="http://file.open.com.cn/ItemDB/60124/7e12b1f2-2cbc-4711-b495-779d1d665bc3/201253172737905.png" />nbsp;nbsp;

<img alt="" width="261" height="121" src="http://file.open.com.cn/ItemDB/60124/c2fbba2f-6d11-47e9-8380-9f0d84283fb3/201253145076.png" />nbsp;
A:<img width="81" height="26" alt="" src="http://file.open.com.cn/ItemDB/60124/c2fbba2f-6d11-47e9-8380-9f0d84283fb3/201254162227504.png" />nbsp;
B:<img alt="" width="143" height="45" src="http://file.open.com.cn/ItemDB/60124/c2fbba2f-6d11-47e9-8380-9f0d84283fb3/201253145052524.png" />nbsp;
C:<img alt="" width="148" height="34" src="http://file.open.com.cn/ItemDB/60124/c2fbba2f-6d11-47e9-8380-9f0d84283fb3/20125314515274.png" />nbsp;
D:<img alt="" width="109" height="32" src="http://file.open.com.cn/ItemDB/60124/c2fbba2f-6d11-47e9-8380-9f0d84283fb3/2012531451179.png" />nbsp;

<img alt="" width="536" height="74" src="http://file.open.com.cn/ItemDB/60124/1d757ab5-561f-4acc-8c0e-db274023cc1e/201253144517794.png" />nbsp;
A:<img alt="" width="221" height="51" src="http://file.open.com.cn/ItemDB/60124/1d757ab5-561f-4acc-8c0e-db274023cc1e/201253144555827.png" />nbsp;
B:<img width="297" height="52" alt="" src="http://file.open.com.cn/ItemDB/60124/1d757ab5-561f-4acc-8c0e-db274023cc1e/2012541622871.png" />nbsp;
C:<img alt="" width="207" height="40" src="http://file.open.com.cn/ItemDB/60124/1d757ab5-561f-4acc-8c0e-db274023cc1e/201253144623702.png" />
D:<img alt="" width="301" height="42" src="http://file.open.com.cn/ItemDB/60124/1d757ab5-561f-4acc-8c0e-db274023cc1e/201253144632515.png" />

<img alt="" width="349" height="42" src="http://file.open.com.cn/ItemDB/60124/474ed702-f102-4f59-bf36-aca4978622e7/20125315326840.png" />nbsp;
A:<img alt="" width="47" height="30" src="http://file.open.com.cn/ItemDB/60124/474ed702-f102-4f59-bf36-aca4978622e7/201253153220528.png" />nbsp;
B:<img alt="" width="46" height="28" src="http://file.open.com.cn/ItemDB/60124/474ed702-f102-4f59-bf36-aca4978622e7/201253153234559.png" />nbsp;
C:<img width="35" height="26" alt="" src="http://file.open.com.cn/ItemDB/60124/474ed702-f102-4f59-bf36-aca4978622e7/20125416308281.png" />nbsp;
D:<img alt="" width="50" height="32" src="http://file.open.com.cn/ItemDB/60124/474ed702-f102-4f59-bf36-aca4978622e7/2012531533129.png" />nbsp;

<img alt="" width="412" height="81" src="http://file.open.com.cn/ItemDB/60124/79b343c7-c30e-482f-b22f-ebcaeeb60681/201253162727993.png" />nbsp;
A:<img alt="" width="47" height="26" src="http://file.open.com.cn/ItemDB/60124/79b343c7-c30e-482f-b22f-ebcaeeb60681/201253162744353.png" />nbsp;
B:<img alt="" width="48" height="26" src="http://file.open.com.cn/ItemDB/60124/79b343c7-c30e-482f-b22f-ebcaeeb60681/201253162754962.png" />nbsp;
C:<img alt="" width="56" height="27" src="http://file.open.com.cn/ItemDB/60124/79b343c7-c30e-482f-b22f-ebcaeeb60681/20125316286369.png" />nbsp;
D:<img width="54" height="27" alt="" src="http://file.open.com.cn/ItemDB/60124/79b343c7-c30e-482f-b22f-ebcaeeb60681/20125416382762.png" />nbsp;nbsp;

<img alt="" width="312" height="49" src="http://file.open.com.cn/ItemDB/60124/b0919b5b-6150-472f-90cc-485600ef5eea/20125315731926.png" />nbsp;
A:<img width="154" height="54" alt="" src="http://file.open.com.cn/ItemDB/60124/b0919b5b-6150-472f-90cc-485600ef5eea/201254162513489.png" />nbsp;
B:<img alt="" width="112" height="31" src="http://file.open.com.cn/ItemDB/60124/b0919b5b-6150-472f-90cc-485600ef5eea/20125315755798.png" />nbsp;
C:<img alt="" width="153" height="36" src="http://file.open.com.cn/ItemDB/60124/b0919b5b-6150-472f-90cc-485600ef5eea/2012531588640.png" />
D:<img alt="" width="154" height="34" src="http://file.open.com.cn/ItemDB/60124/b0919b5b-6150-472f-90cc-485600ef5eea/20125315836856.png" />

<img alt="" width="363" height="127" src="http://file.open.com.cn/ItemDB/60124/ea0a2363-bd7e-4fcd-81d6-cb9b3784720b/201253177217.png" />nbsp;nbsp;
A:<img width="160" height="21" alt="" src="http://file.open.com.cn/ItemDB/60124/ea0a2363-bd7e-4fcd-81d6-cb9b3784720b/201254164314948.png" />nbsp;nbsp;
B:<img alt="" width="163" height="24" src="http://file.open.com.cn/ItemDB/60124/ea0a2363-bd7e-4fcd-81d6-cb9b3784720b/20125317753586.png" />nbsp;nbsp;nbsp;

nbsp;<img alt="" width="526" height="114" src="http://file.open.com.cn/ItemDB/60124/2531d407-72f0-4355-8192-b2f054a0332f/20125315304258.png" />
A:<p>未必线性无关</p>
B:也线性无关

<img alt="" width="522" height="70" src="http://file.open.com.cn/ItemDB/60124/fcbdea73-d560-4938-87b4-a2fbd41da45f/2012549171010.png" />nbsp;nbsp;nbsp;nbsp;
A:<img alt="" width="432" height="28" src="http://file.open.com.cn/ItemDB/60124/fcbdea73-d560-4938-87b4-a2fbd41da45f/20125491720900.png" />nbsp;nbsp;
B:<img alt="" width="434" height="28" src="http://file.open.com.cn/ItemDB/60124/fcbdea73-d560-4938-87b4-a2fbd41da45f/20125491729619.png" />nbsp;nbsp;
C:<img width="433" height="32" alt="" src="http://file.open.com.cn/ItemDB/60124/fcbdea73-d560-4938-87b4-a2fbd41da45f/201254165036488.png" />nbsp;nbsp;
D:<img alt="" width="482" height="66" src="http://file.open.com.cn/ItemDB/60124/fcbdea73-d560-4938-87b4-a2fbd41da45f/20125491750508.png" />nbsp;nbsp;nbsp;nbsp;

<img alt="" width="301" height="32" src="http://file.open.com.cn/ItemDB/60124/79d68eec-13c7-4d4a-b6a3-01b9c10d76a3/20125316396218.png" />nbsp;nbsp;nbsp;
A:<img alt="" width="87" height="75" src="http://file.open.com.cn/ItemDB/60124/79d68eec-13c7-4d4a-b6a3-01b9c10d76a3/201253163917781.png" />nbsp;
B:<img alt="" width="85" height="75" src="http://file.open.com.cn/ItemDB/60124/79d68eec-13c7-4d4a-b6a3-01b9c10d76a3/20125316393132.png" />nbsp;
C:<img alt="" width="86" height="73" src="http://file.open.com.cn/ItemDB/60124/79d68eec-13c7-4d4a-b6a3-01b9c10d76a3/201253163941844.png" />nbsp;
D:<img width="83" height="74" alt="" src="http://file.open.com.cn/ItemDB/60124/79d68eec-13c7-4d4a-b6a3-01b9c10d76a3/201254163940996.png" />nbsp;

nbsp;nbsp; <img alt="" width="540" height="113" src="http://file.open.com.cn/ItemDB/60124/efb191c2-45f5-4573-b79a-98eb7f525a64/20125492754180.png" />
A:<img alt="" width="105" height="26" src="http://file.open.com.cn/ItemDB/60124/efb191c2-45f5-4573-b79a-98eb7f525a64/2012549285836.png" />nbsp;nbsp;
B:<img width="98" height="31" alt="" src="http://file.open.com.cn/ItemDB/60124/efb191c2-45f5-4573-b79a-98eb7f525a64/201254165220179.png" />nbsp;
C:<img alt="" width="105" height="28" src="http://file.open.com.cn/ItemDB/60124/efb191c2-45f5-4573-b79a-98eb7f525a64/20125492823710.png" />nbsp;
D:<img alt="" width="61" height="28" src="http://file.open.com.cn/ItemDB/60124/efb191c2-45f5-4573-b79a-98eb7f525a64/20125492831835.png" />nbsp;

<img alt="" width="518" height="257" src="http://file.open.com.cn/ItemDB/60124/6c82183b-4fdf-43fd-99fa-8b0f02d38f7d/201253161022726.png" />nbsp;nbsp;
A:<img alt="" width="123" height="26" src="http://file.open.com.cn/ItemDB/60124/6c82183b-4fdf-43fd-99fa-8b0f02d38f7d/201253161035523.png" />nbsp;
B:<img alt="" width="122" height="29" src="http://file.open.com.cn/ItemDB/60124/6c82183b-4fdf-43fd-99fa-8b0f02d38f7d/201253161045914.png" />nbsp;nbsp;
C:<img width="124" height="27" alt="" src="http://file.open.com.cn/ItemDB/60124/6c82183b-4fdf-43fd-99fa-8b0f02d38f7d/201254163657263.png" />nbsp;
D:<img alt="" width="124" height="27" src="http://file.open.com.cn/ItemDB/60124/6c82183b-4fdf-43fd-99fa-8b0f02d38f7d/201253161126993.png" />nbsp;