20春学期《高等数学(二）》在线平时作业2

adminhan

<img width="351" height="46" alt="" src="http://file.open.com.cn/ItemDB/49386/f67ca724-2674-44b7-9147-1ce7bcdb3678/2013118161022210.png" />&nbsp;&nbsp;
A:<img width="86" height="35" alt="" src="http://file.open.com.cn/ItemDB/49386/f67ca724-2674-44b7-9147-1ce7bcdb3678/201311816102954.png" />
B:<img width="82" height="27" alt="" src="http://file.open.com.cn/ItemDB/49386/f67ca724-2674-44b7-9147-1ce7bcdb3678/2013118161035211.png" />
C:<img width="86" height="31" alt="" src="http://file.open.com.cn/ItemDB/49386/f67ca724-2674-44b7-9147-1ce7bcdb3678/2013118161040836.png" />
D:<img width="169" height="29" alt="" src="http://file.open.com.cn/ItemDB/49386/f67ca724-2674-44b7-9147-1ce7bcdb3678/2013118161048258.png" />

&nbsp;&nbsp;&nbsp;&nbsp; <img width="415" height="155" alt="" src="http://file.open.com.cn/ItemDB/49386/dc2ff710-bb43-4978-8d58-c973a0c41e1a/2013111317018153.png" />
A:A
B:B
C:C
D:D

&nbsp;&nbsp;&nbsp; <img width="585" height="120" alt="" src="http://file.open.com.cn/ItemDB/201791162331818.png" />
A:A
B:B
C:C
D:D

&nbsp;&nbsp;&nbsp; <img width="415" height="171" alt="" src="http://file.open.com.cn/ItemDB/49386/278e6d19-7356-4124-8fa0-04c397fdc57a/20131113214548858.png" />
A:A
B:B
C:C
D:D

<img width="530" height="46" alt="" src="http://file.open.com.cn/ItemDB/49386/67cea239-5e03-4792-9237-0049966c988b/2013118153335171.png" />&nbsp;
A:<img width="179" height="26" alt="" src="http://file.open.com.cn/ItemDB/49386/67cea239-5e03-4792-9237-0049966c988b/2013118153340874.png" />
B:<img width="141" height="30" alt="" src="http://file.open.com.cn/ItemDB/49386/67cea239-5e03-4792-9237-0049966c988b/2013118153347468.png" />
C:<img width="114" height="26" alt="" src="http://file.open.com.cn/ItemDB/49386/67cea239-5e03-4792-9237-0049966c988b/2013118153352875.png" />
D:<img width="127" height="21" alt="" src="http://file.open.com.cn/ItemDB/49386/67cea239-5e03-4792-9237-0049966c988b/2013118153358641.png" />

<img width="240" height="30" alt="" src="http://file.open.com.cn/ItemDB/49386/ccede13c-e4c3-4190-94e1-a51369833ea3/20131199341785.png" />&nbsp;
A:<img width="99" height="49" alt="" src="http://file.open.com.cn/ItemDB/49386/ccede13c-e4c3-4190-94e1-a51369833ea3/201311993410317.png" />&nbsp;
B:<img width="80" height="48" alt="" src="http://file.open.com.cn/ItemDB/49386/ccede13c-e4c3-4190-94e1-a51369833ea3/201311993419880.png" />&nbsp;
C:<img width="85" height="45" alt="" src="http://file.open.com.cn/ItemDB/49386/ccede13c-e4c3-4190-94e1-a51369833ea3/201311993429567.png" />
D:<img width="94" height="58" alt="" src="http://file.open.com.cn/ItemDB/49386/ccede13c-e4c3-4190-94e1-a51369833ea3/201311993437911.png" />

<img width="345" height="32" alt="" src="http://file.open.com.cn/ItemDB/49386/aa7fc558-0705-4431-9752-1a7f431c8de8/2013118163123829.png" />&nbsp;
A:（0,0,2）
B:（0,0，-2）
C:（1/2,1/2,1/2）
D:（-1/2,0，1/2）

<img width="324" height="40" alt="" src="http://file.open.com.cn/ItemDB/49386/3a9f7f64-5ef4-44d5-9c1e-eca8f0f3c7d9/201311993814432.png" />&nbsp;
A:<img width="137" height="37" alt="" src="http://file.open.com.cn/ItemDB/49386/3a9f7f64-5ef4-44d5-9c1e-eca8f0f3c7d9/20131199382326.png" />&nbsp;
B:<img width="83" height="32" alt="" src="http://file.open.com.cn/ItemDB/49386/3a9f7f64-5ef4-44d5-9c1e-eca8f0f3c7d9/201311993831198.png" />&nbsp;
C:<img width="218" height="36" alt="" src="http://file.open.com.cn/ItemDB/49386/3a9f7f64-5ef4-44d5-9c1e-eca8f0f3c7d9/201311993838574.png" />&nbsp;
D:<img width="81" height="43" alt="" src="http://file.open.com.cn/ItemDB/49386/3a9f7f64-5ef4-44d5-9c1e-eca8f0f3c7d9/201311993846949.png" />

<img height="71" width="507" alt="" src="http://file.open.com.cn/ItemDB/49386/2fb9cdaf-4505-4050-976f-abbb303e6c22/20091128111212853.jpg" />&nbsp;
A:A
B:B
C:C
D:D

<img height="93" width="304" alt="" src="http://file.open.com.cn/ItemDB/49386/33e1fecd-980c-4c1b-8ad4-7d1d6b0541eb/20091128113226449.jpg" />&nbsp;
A:A
B:B
C:C
D:D

&nbsp;&nbsp;&nbsp; <img width="415" height="155" alt="" src="http://file.open.com.cn/ItemDB/49386/259f51c7-1842-42f9-a5f6-55a09d17d057/20131113174447191.png" />
A:错误
B:正确

<img height="50" width="383" alt="" src="http://file.open.com.cn/ItemDB/49386/d7f13626-c7ab-4ef2-afe8-0fcfd8ffbef2/20091128114728867.jpg" />&nbsp;
A:错误
B:正确

<img width="350" height="70" alt="" src="http://file.open.com.cn/ItemDB/49386/cc01e5ef-5114-4d65-abf9-2862f30e50ae/2013117163057471.png" />&nbsp;
A:错误
B:正确

<img height="95" width="333" alt="" src="http://file.open.com.cn/ItemDB/49386/df46802f-8c9e-4b16-8e56-37e111cf5674/20091128103712277.jpg" />&nbsp;
A:错误
B:正确

<p><img width="527" height="42" alt="" src="http://file.open.com.cn/ItemDB/49386/212b38f0-6f7f-4d98-9679-96918d1d6c9f/20131181501945.png" /></p><p><img width="345" height="41" alt="" src="http://file.open.com.cn/ItemDB/49386/212b38f0-6f7f-4d98-9679-96918d1d6c9f/201311815026654.png" />&nbsp; </p>
A:错误
B:正确

<img width="501" height="82" alt="" src="http://file.open.com.cn/ItemDB/49386/5de55412-8791-4a0d-8c9a-adfdbc4bc161/201311814505650.png" />&nbsp;
A:错误
B:正确

<img width="528" height="44" alt="" src="http://file.open.com.cn/ItemDB/49386/7d38ebdb-6ef7-4101-b2e1-371dacc189eb/2013118141314642.png" />&nbsp;&nbsp;
A:错误
B:正确

<img width="331" height="24" alt="" src="http://file.open.com.cn/ItemDB/49386/fb8d8bc2-3fc0-4a1e-8874-ff19e9366a1e/2013118142413710.png" />&nbsp;
A:错误
B:正确

<img width="375" height="52" alt="" src="http://file.open.com.cn/ItemDB/49386/e91672ff-bb36-4ca9-b393-740c46e03911/2013118143032472.png" />&nbsp;
A:错误
B:正确

<img height="48" width="352" alt="" src="http://file.open.com.cn/ItemDB/49386/269b85c9-a59c-40c3-b166-8b9c388c2493/20091128103656105.jpg" />&nbsp;
A:错误
B:正确