|
|
<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="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;
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="356" height="82" src="http://file.open.com.cn/ItemDB/60124/f6b6223a-436d-4a8a-8bea-ef547531a996/20125317450924.png" />nbsp;
A:<img width="107" height="23" alt="" src="http://file.open.com.cn/ItemDB/60124/f6b6223a-436d-4a8a-8bea-ef547531a996/201254164258948.png" />nbsp;
B:<img alt="" width="105" height="22" src="http://file.open.com.cn/ItemDB/60124/f6b6223a-436d-4a8a-8bea-ef547531a996/20125317640771.png" />nbsp;nbsp;
<p>nbsp;<img width="541" height="180" alt="" src="http://file.open.com.cn/ItemDB/60124/653d8657-16ec-49d5-9baa-dd4267fc6581/201253163630573.png" />nbsp; </p>
A:1
B:-1
C:8
D:-8
<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="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="416" height="35" src="http://file.open.com.cn/ItemDB/60124/c6d5e12b-990a-4327-a13f-1f1cf81c3d59/2012531632533.png" />nbsp;
A:<img width="78" height="42" alt="" src="http://file.open.com.cn/ItemDB/60124/c6d5e12b-990a-4327-a13f-1f1cf81c3d59/201254163851106.png" />nbsp;nbsp;nbsp;
B:<img alt="" width="81" height="43" src="http://file.open.com.cn/ItemDB/60124/c6d5e12b-990a-4327-a13f-1f1cf81c3d59/201253163330708.png" />nbsp;nbsp;nbsp;
C:<img alt="" width="62" height="28" src="http://file.open.com.cn/ItemDB/60124/c6d5e12b-990a-4327-a13f-1f1cf81c3d59/201253163344192.png" />nbsp;
D:<img alt="" width="54" height="27" src="http://file.open.com.cn/ItemDB/60124/c6d5e12b-990a-4327-a13f-1f1cf81c3d59/201253163357146.png" />nbsp;
<p><font face="Arial">用数<em>k</em>去乘行列式等于用<em>k</em>去乘（nbsp;nbsp;nbsp; ）</font></p>
A:<p><font face="Arial">行列式的所有元素</font></p>
B:<p><font face="Arial">行列式的某一行的所有元素</font></p>
<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 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="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="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 width="496" height="30" alt="" src="http://file.open.com.cn/ItemDB/60124/15e5fdae-f250-48dd-921e-87ec63494d2e/20125492328553.png" />nbsp;nbsp;
A:充分必要条件
B:充分而非必要条件
C:必要而非充分条件
D:既非充分也非必要条件
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;
<p><font face="Arial">互换行列式的两行（列），则行列式（nbsp;nbsp;nbsp; ）</font></p>
A:<p><font face="Arial">的值不变</font></p>
B:<p><font face="Arial">变号</font></p>
C:<p><font face="Arial">换行（列）不变（变号</font></p>
D:<p><font face="Arial">换列（行）不变（变号）</font></p>
<img width="277" height="126" alt="" src="http://file.open.com.cn/ItemDB/60124/c3e29b6f-63f9-44cb-affe-55952a8fc566/20125315488964.png" />nbsp;nbsp;
A:24
B:14
C:21
D:42
<img alt="" width="218" height="110" src="http://file.open.com.cn/ItemDB/60124/20abc2c8-ce74-4018-933e-a1f7dbdb1f27/201253163040640.png" />nbsp;
A:<img alt="" width="91" height="23" src="http://file.open.com.cn/ItemDB/60124/20abc2c8-ce74-4018-933e-a1f7dbdb1f27/20125316305562.png" />nbsp;nbsp;nbsp;
B:<img width="139" height="26" alt="" src="http://file.open.com.cn/ItemDB/60124/20abc2c8-ce74-4018-933e-a1f7dbdb1f27/201254163828418.png" />nbsp;nbsp;nbsp;
C:<img alt="" width="25" height="22" src="http://file.open.com.cn/ItemDB/60124/20abc2c8-ce74-4018-933e-a1f7dbdb1f27/201253163127204.png" />nbsp;
D:<img alt="" width="84" height="24" src="http://file.open.com.cn/ItemDB/60124/20abc2c8-ce74-4018-933e-a1f7dbdb1f27/201253163138673.png" />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="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="416" height="113" src="http://file.open.com.cn/ItemDB/60124/5bfc6734-d615-4221-938a-301c290e7500/2012548568794.png" />nbsp;nbsp;
A:<img alt="" width="62" height="24" src="http://file.open.com.cn/ItemDB/60124/5bfc6734-d615-4221-938a-301c290e7500/20125485620106.png" />nbsp;
B:<img alt="" width="55" height="22" src="http://file.open.com.cn/ItemDB/60124/5bfc6734-d615-4221-938a-301c290e7500/20125485629683.png" />nbsp;
C:<img width="127" height="23" alt="" src="http://file.open.com.cn/ItemDB/60124/5bfc6734-d615-4221-938a-301c290e7500/201254164654842.png" />nbsp;nbsp;
D:<img alt="" width="57" height="23" src="http://file.open.com.cn/ItemDB/60124/5bfc6734-d615-4221-938a-301c290e7500/20125485648385.png" />nbsp;
<img alt="" width="511" height="133" src="http://file.open.com.cn/ItemDB/60124/8d7ea47e-aff5-49f9-8b5e-84531a034183/201253165742285.png" />nbsp;nbsp;
A:<img width="131" height="29" alt="" src="http://file.open.com.cn/ItemDB/60124/8d7ea47e-aff5-49f9-8b5e-84531a034183/201254164153588.png" />nbsp;nbsp;nbsp;
B:<img alt="" width="142" height="26" src="http://file.open.com.cn/ItemDB/60124/8d7ea47e-aff5-49f9-8b5e-84531a034183/201253165853225.png" />nbsp;
C:<img alt="" width="135" height="26" src="http://file.open.com.cn/ItemDB/60124/8d7ea47e-aff5-49f9-8b5e-84531a034183/20125316595632.png" />nbsp;nbsp;
D:<img alt="" width="56" height="24" src="http://file.open.com.cn/ItemDB/60124/8d7ea47e-aff5-49f9-8b5e-84531a034183/201253165917929.png" />nbsp;nbsp;
<img alt="" width="520" height="79" src="http://file.open.com.cn/ItemDB/60124/d995eb20-dcb8-4b0b-a81c-f5a991e7bfc9/201253152716722.png" />nbsp;
A:<img alt="" width="383" height="31" src="http://file.open.com.cn/ItemDB/60124/d995eb20-dcb8-4b0b-a81c-f5a991e7bfc9/201253152730644.png" />nbsp;
B:<img alt="" width="383" height="28" src="http://file.open.com.cn/ItemDB/60124/d995eb20-dcb8-4b0b-a81c-f5a991e7bfc9/201253152747473.png" />nbsp;
C:<img width="380" height="27" alt="" src="http://file.open.com.cn/ItemDB/60124/d995eb20-dcb8-4b0b-a81c-f5a991e7bfc9/20125416282777.png" />nbsp;
D:<img alt="" width="360" height="32" src="http://file.open.com.cn/ItemDB/60124/d995eb20-dcb8-4b0b-a81c-f5a991e7bfc9/201253152815442.png" />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 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="539" height="69" src="http://file.open.com.cn/ItemDB/60124/df6e9e61-405f-46c1-a64e-08d89da4866b/20125492853771.png" />nbsp;nbsp;
A:<img alt="" width="325" height="24" src="http://file.open.com.cn/ItemDB/60124/df6e9e61-405f-46c1-a64e-08d89da4866b/2012549293864.png" />nbsp;nbsp;nbsp;
B:<img alt="" width="324" height="27" src="http://file.open.com.cn/ItemDB/60124/df6e9e61-405f-46c1-a64e-08d89da4866b/20125492916457.png" />nbsp;
C:<img alt="" width="176" height="26" src="http://file.open.com.cn/ItemDB/60124/df6e9e61-405f-46c1-a64e-08d89da4866b/20125492925629.png" />nbsp;nbsp;
D:<img width="175" height="28" alt="" src="http://file.open.com.cn/ItemDB/60124/df6e9e61-405f-46c1-a64e-08d89da4866b/201254165234757.png" />nbsp;nbsp;
<img alt="" width="354" height="38" src="http://file.open.com.cn/ItemDB/60124/dab4dc3e-e6f2-4cd8-adb6-174cf7d4face/201253171142671.png" />nbsp;nbsp;
A:<img alt="" width="205" height="27" src="http://file.open.com.cn/ItemDB/60124/dab4dc3e-e6f2-4cd8-adb6-174cf7d4face/201253171157125.png" />nbsp;nbsp;
B:<img alt="" width="203" height="26" src="http://file.open.com.cn/ItemDB/60124/dab4dc3e-e6f2-4cd8-adb6-174cf7d4face/201253171212579.png" />nbsp;nbsp;nbsp;
C:<img alt="" width="127" height="27" src="http://file.open.com.cn/ItemDB/60124/dab4dc3e-e6f2-4cd8-adb6-174cf7d4face/201253171223673.png" />nbsp;nbsp;
D:<img width="287" height="30" alt="" src="http://file.open.com.cn/ItemDB/60124/dab4dc3e-e6f2-4cd8-adb6-174cf7d4face/201254164421152.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="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;
<img alt="" width="490" height="76" src="http://file.open.com.cn/ItemDB/60124/2871ff98-b36d-44d2-b005-c9c4930e4ec4/201253152223495.png" />nbsp;
A:<img width="209" height="31" alt="" src="http://file.open.com.cn/ItemDB/60124/2871ff98-b36d-44d2-b005-c9c4930e4ec4/2012541627164.png" />nbsp;
B:<img alt="" width="214" height="35" src="http://file.open.com.cn/ItemDB/60124/2871ff98-b36d-44d2-b005-c9c4930e4ec4/201253152246246.png" />nbsp;
<img alt="" width="349" height="33" src="http://file.open.com.cn/ItemDB/60124/da32c678-6c69-4692-af88-1e3ed0859948/20125316026816.png" />nbsp;
A:<img alt="" width="199" height="33" src="http://file.open.com.cn/ItemDB/60124/da32c678-6c69-4692-af88-1e3ed0859948/20125316040113.png" />nbsp;
B:<img alt="" width="190" height="32" src="http://file.open.com.cn/ItemDB/60124/da32c678-6c69-4692-af88-1e3ed0859948/20125316052317.png" />nbsp;
C:<img alt="" width="201" height="32" src="http://file.open.com.cn/ItemDB/60124/da32c678-6c69-4692-af88-1e3ed0859948/2012531615114.png" />nbsp;
D:<img width="199" height="32" alt="" src="http://file.open.com.cn/ItemDB/60124/da32c678-6c69-4692-af88-1e3ed0859948/20125416355789.png" />nbsp;
<img alt="" width="374" height="161" src="http://file.open.com.cn/ItemDB/60124/817374ca-4f1f-4eb2-bec5-21f603fd0438/20125315354580.png" />nbsp;
A:<img width="112" height="36" alt="" src="http://file.open.com.cn/ItemDB/60124/817374ca-4f1f-4eb2-bec5-21f603fd0438/201254162318279.png" />nbsp;
B:<img alt="" width="111" height="42" src="http://file.open.com.cn/ItemDB/60124/817374ca-4f1f-4eb2-bec5-21f603fd0438/20125315424649.png" />nbsp;
<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="505" height="70" src="http://file.open.com.cn/ItemDB/60124/d1e9b4bc-cce4-4d77-9ef3-6e28f2fbf2ca/201253152553376.png" />nbsp;
A:<img alt="" width="302" height="27" src="http://file.open.com.cn/ItemDB/60124/d1e9b4bc-cce4-4d77-9ef3-6e28f2fbf2ca/20125315267329.png" />nbsp;
B:<img alt="" width="297" height="30" src="http://file.open.com.cn/ItemDB/60124/d1e9b4bc-cce4-4d77-9ef3-6e28f2fbf2ca/201253152621111.png" />nbsp;
C:<img alt="" width="298" height="27" src="http://file.open.com.cn/ItemDB/60124/d1e9b4bc-cce4-4d77-9ef3-6e28f2fbf2ca/20125315263518.png" />nbsp;
D:<img width="295" height="22" alt="" src="http://file.open.com.cn/ItemDB/60124/d1e9b4bc-cce4-4d77-9ef3-6e28f2fbf2ca/201254162748189.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;
nbsp;<img alt="" width="288" height="60" src="http://file.open.com.cn/ItemDB/60124/208947a2-50e7-441b-8f65-d9805fca069e/20125315551977.png" />nbsp;
A:<p><img width="118" height="24" alt="" src="http://file.open.com.cn/ItemDB/60124/208947a2-50e7-441b-8f65-d9805fca069e/201254163426622.png" /></p>
B:<img alt="" width="125" height="25" src="http://file.open.com.cn/ItemDB/60124/208947a2-50e7-441b-8f65-d9805fca069e/201253155544807.png" />nbsp;
C:<p><img alt="" width="133" height="25" src="http://file.open.com.cn/ItemDB/60124/208947a2-50e7-441b-8f65-d9805fca069e/201253155621871.png" /></p>
D:<img alt="" width="132" height="26" src="http://file.open.com.cn/ItemDB/60124/208947a2-50e7-441b-8f65-d9805fca069e/201253155634183.png" />
<img alt="" width="501" height="83" src="http://file.open.com.cn/ItemDB/60124/c6a159ab-caf6-43ed-b082-0af76ca7c686/201253153333374.png" />nbsp;
A:<img alt="" width="45" height="38" src="http://file.open.com.cn/ItemDB/60124/c6a159ab-caf6-43ed-b082-0af76ca7c686/201253153346687.png" />nbsp;
B:<img alt="" width="82" height="57" src="http://file.open.com.cn/ItemDB/60124/c6a159ab-caf6-43ed-b082-0af76ca7c686/201253153358421.png" />nbsp;
C:<img alt="" width="61" height="57" src="http://file.open.com.cn/ItemDB/60124/c6a159ab-caf6-43ed-b082-0af76ca7c686/201253153410687.png" />nbsp;
D:<p><img width="63" height="55" alt="" src="http://file.open.com.cn/ItemDB/60124/c6a159ab-caf6-43ed-b082-0af76ca7c686/201254163025853.png" /></p>
<img alt="" width="513" height="82" src="http://file.open.com.cn/ItemDB/60124/68b8eed1-37dd-4928-a697-2c72ac6a77c7/201253153454939.png" />nbsp;
A:<img alt="" width="47" height="33" src="http://file.open.com.cn/ItemDB/60124/68b8eed1-37dd-4928-a697-2c72ac6a77c7/201253153510752.png" />nbsp;
B:<img width="31" height="47" alt="" src="http://file.open.com.cn/ItemDB/60124/68b8eed1-37dd-4928-a697-2c72ac6a77c7/20125416304182.png" />nbsp;
C:<img alt="" width="57" height="49" src="http://file.open.com.cn/ItemDB/60124/68b8eed1-37dd-4928-a697-2c72ac6a77c7/201253153550222.png" />nbsp;
D:<img alt="" width="58" height="52" src="http://file.open.com.cn/ItemDB/60124/68b8eed1-37dd-4928-a697-2c72ac6a77c7/20125315365410.png" />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="416" height="38" src="http://file.open.com.cn/ItemDB/60124/7ad45585-6783-4099-965d-13c2230f88ab/201253153043103.png" />nbsp;
A:<img alt="" width="111" height="26" src="http://file.open.com.cn/ItemDB/60124/7ad45585-6783-4099-965d-13c2230f88ab/201253153056197.png" />nbsp;
B:<img alt="" width="154" height="33" src="http://file.open.com.cn/ItemDB/60124/7ad45585-6783-4099-965d-13c2230f88ab/2012531531841.png" />nbsp;
C:<img alt="" width="112" height="25" src="http://file.open.com.cn/ItemDB/60124/7ad45585-6783-4099-965d-13c2230f88ab/201253153120729.png" />nbsp;
D:<p><img width="155" height="27" alt="" src="http://file.open.com.cn/ItemDB/60124/7ad45585-6783-4099-965d-13c2230f88ab/2012541628312.png" /></p>
<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="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 alt="" width="515" height="110" src="http://file.open.com.cn/ItemDB/60124/cb54db7f-e2d3-4498-ac2f-ed4f2e6c1b27/2012549930518.png" />nbsp;nbsp;nbsp;
A:<img alt="" width="18" height="19" src="http://file.open.com.cn/ItemDB/60124/cb54db7f-e2d3-4498-ac2f-ed4f2e6c1b27/2012549940455.png" />nbsp;nbsp;
B:<img alt="" width="22" height="20" src="http://file.open.com.cn/ItemDB/60124/cb54db7f-e2d3-4498-ac2f-ed4f2e6c1b27/2012549952626.png" />nbsp;nbsp;
C:<img width="41" height="22" alt="" src="http://file.open.com.cn/ItemDB/60124/cb54db7f-e2d3-4498-ac2f-ed4f2e6c1b27/20125416484417.png" />nbsp;
D:<img alt="" width="64" height="23" src="http://file.open.com.cn/ItemDB/60124/cb54db7f-e2d3-4498-ac2f-ed4f2e6c1b27/20125491017703.png" />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 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 width="498" height="116" alt="" src="http://file.open.com.cn/ItemDB/60124/a9c7e3e4-0553-4b9e-882e-ec10a476e5cd/20125315585374.png" />nbsp;
A:1
B:1或-2
C:5
D:-1或2
<img alt="" width="469" height="115" src="http://file.open.com.cn/ItemDB/60124/6a799d18-6785-40de-b145-8345a959269e/201253171942843.png" />nbsp;nbsp;nbsp;
A:<img alt="" width="129" height="26" src="http://file.open.com.cn/ItemDB/60124/6a799d18-6785-40de-b145-8345a959269e/20125317203148.png" />nbsp;nbsp;
B:<img width="133" height="25" alt="" src="http://file.open.com.cn/ItemDB/60124/6a799d18-6785-40de-b145-8345a959269e/201254164448528.png" />nbsp;nbsp;
C:<img alt="" width="137" height="23" src="http://file.open.com.cn/ItemDB/60124/6a799d18-6785-40de-b145-8345a959269e/201253172054830.png" />nbsp;nbsp;
D:<img alt="" width="167" height="25" src="http://file.open.com.cn/ItemDB/60124/6a799d18-6785-40de-b145-8345a959269e/20125317215721.png" />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="509" height="133" src="http://file.open.com.cn/ItemDB/60124/fdb87e9d-d05c-493a-adad-436590e601ab/2012531659468.png" />nbsp;nbsp;
A:<img alt="" width="129" height="26" src="http://file.open.com.cn/ItemDB/60124/fdb87e9d-d05c-493a-adad-436590e601ab/201253165959149.png" />nbsp;
B:<img alt="" width="137" height="27" src="http://file.open.com.cn/ItemDB/60124/fdb87e9d-d05c-493a-adad-436590e601ab/20125317023931.png" />nbsp;nbsp;
C:<img alt="" width="136" height="25" src="http://file.open.com.cn/ItemDB/60124/fdb87e9d-d05c-493a-adad-436590e601ab/2012531704341.png" />nbsp;nbsp;
D:<img width="139" height="25" alt="" src="http://file.open.com.cn/ItemDB/60124/fdb87e9d-d05c-493a-adad-436590e601ab/201254164210323.png" />nbsp;
<img alt="" width="368" height="41" src="http://file.open.com.cn/ItemDB/60124/73ac895c-b603-41cd-be29-9cb8a2462e13/201253151917678.png" />nbsp;nbsp;
A:<img alt="" width="173" height="34" src="http://file.open.com.cn/ItemDB/60124/73ac895c-b603-41cd-be29-9cb8a2462e13/201253152017617.png" />nbsp;
B:<img alt="" width="158" height="36" src="http://file.open.com.cn/ItemDB/60124/73ac895c-b603-41cd-be29-9cb8a2462e13/201253152031524.png" />nbsp;
C:<img width="154" height="26" alt="" src="http://file.open.com.cn/ItemDB/60124/73ac895c-b603-41cd-be29-9cb8a2462e13/20125416263233.png" />nbsp;
D:<img alt="" width="157" height="32" src="http://file.open.com.cn/ItemDB/60124/73ac895c-b603-41cd-be29-9cb8a2462e13/201253152057196.png" />
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发表于 2020-10-30 02:12:56
