东北大学19秋学期《高等数学(二)》在线平时作业123
19秋学期《高等数学(二)》在线平时作业11.[单选题] <p><img width="514" height="45" alt="" src="http://file.open.com.cn/ItemDB/49386/dbad3151-8be5-4a32-9d44-128004bdace9/201311991835168.png" /></p>
A.条件收敛
B.绝对收敛
C.发散
D.敛散性不能判断
正确答案:——B——
2.[单选题] <img width="415" height="155" alt="" src="http://file.open.com.cn/ItemDB/49386/41eda55f-7174-476e-a580-ed1dacd8a216/20131113175817436.png" />
A.A
B.B
C.C
D.D
正确答案:——A——
3.[单选题] <img height="137" width="394" alt="" src="http://file.open.com.cn/ItemDB/49386/8a1d79e8-bb0f-411d-9989-cef7035477d7/2009112811357115.jpg" />
A.A
B.B
C.C
D.D
正确答案:——C——
4.[单选题] <img width="415" height="171" alt="" src="http://file.open.com.cn/ItemDB/49386/b52b0e2a-7987-4a49-a6b7-98fb6a426eb1/201311132208177.png" />
A.A
B.B
C.C
D.D
正确答案:————
5.[单选题] <img width="542" height="48" alt="" src="http://file.open.com.cn/ItemDB/49386/1df0a55d-fc2c-4126-966b-1759778cf010/2013118153720350.png" />
A.<img width="218" height="29" alt="" src="http://file.open.com.cn/ItemDB/49386/1df0a55d-fc2c-4126-966b-1759778cf010/2013118153727397.png" />
B.<img width="129" height="45" alt="" src="http://file.open.com.cn/ItemDB/49386/1df0a55d-fc2c-4126-966b-1759778cf010/2013118153733788.png" />
C.<img width="71" height="67" alt="" src="http://file.open.com.cn/ItemDB/49386/1df0a55d-fc2c-4126-966b-1759778cf010/2013118153743882.png" />
D.<img width="137" height="46" alt="" src="http://file.open.com.cn/ItemDB/49386/1df0a55d-fc2c-4126-966b-1759778cf010/201311815375154.png" />
正确答案:————
6.[多选题] <img width="510" height="42" alt="" src="http://file.open.com.cn/ItemDB/49386/267a251f-9a1b-4f99-90f7-5039835fccc3/201311816413301.png" />
A.<img width="386" height="37" alt="" src="http://file.open.com.cn/ItemDB/49386/267a251f-9a1b-4f99-90f7-5039835fccc3/201311816419394.png" />
B.<img width="388" height="32" alt="" src="http://file.open.com.cn/ItemDB/49386/267a251f-9a1b-4f99-90f7-5039835fccc3/2013118164116176.png" />
C.<img width="381" height="33" alt="" src="http://file.open.com.cn/ItemDB/49386/267a251f-9a1b-4f99-90f7-5039835fccc3/2013118164122270.png" />
D.<img width="388" height="38" alt="" src="http://file.open.com.cn/ItemDB/49386/267a251f-9a1b-4f99-90f7-5039835fccc3/2013118164127864.png" />
正确答案:————
7.[多选题] <img width="410" height="45" alt="" src="http://file.open.com.cn/ItemDB/49386/ff830e7a-c546-4901-8910-5e1094b289bf/201311994630304.png" />
A.<img width="143" height="50" alt="" src="http://file.open.com.cn/ItemDB/49386/ff830e7a-c546-4901-8910-5e1094b289bf/201311994640336.png" />
B.<img width="86" height="45" alt="" src="http://file.open.com.cn/ItemDB/49386/ff830e7a-c546-4901-8910-5e1094b289bf/201311994647508.png" />
C.<img width="86" height="42" alt="" src="http://file.open.com.cn/ItemDB/49386/ff830e7a-c546-4901-8910-5e1094b289bf/20131199465555.png" />
D.<img width="85" height="44" alt="" src="http://file.open.com.cn/ItemDB/49386/ff830e7a-c546-4901-8910-5e1094b289bf/2013119947387.png" />
正确答案:————
8.[多选题] <img height="174" width="572" alt="" src="http://file.open.com.cn/ItemDB/49386/2c882206-e6c1-4e8c-8527-4c7d571607b4/2009112811500356.jpg" />
A.A
B.B
C.C
D.D
正确答案:————
9.[多选题] <img height="140" width="541" alt="" src="http://file.open.com.cn/ItemDB/49386/7eefa795-e94a-4ab4-936e-f469f7651038/20091128102210990.jpg" />
A.A
B.B
C.C
D.D
正确答案:————
10.[多选题] <img width="437" height="31" alt="" src="http://file.open.com.cn/ItemDB/49386/1926eb42-2a32-48e8-8fad-108478522e7a/2013118163746654.png" />
A.(1,0)
B.(1,2)
C.(-3,0)
D.(-3,2)
正确答案:————
11.[判断题] <img width="302" height="52" alt="" src="http://file.open.com.cn/ItemDB/49386/10faf845-7966-4ca9-9012-0de1e1a7dd08/2013118143258164.png" />
A.错误
B.正确
正确答案:————
12.[判断题] <img width="369" height="43" alt="" src="http://file.open.com.cn/ItemDB/49386/ef2108fb-1038-4b34-b131-0f15a38fd934/2013118142532697.png" />
A.错误
B.正确
正确答案:————
13.[判断题] <img width="484" height="44" alt="" src="http://file.open.com.cn/ItemDB/49386/80245b0a-07d1-4389-8345-e58745fb5412/2013118141138857.png" />
A.错误
B.正确
正确答案:————
14.[判断题] <img width="340" height="49" alt="" src="http://file.open.com.cn/ItemDB/49386/3eff4e7c-88c0-4e24-b357-aec500b7ef74/2013118143228554.png" />
A.错误
B.正确
正确答案:————
15.[判断题] <img height="41" width="368" alt="" src="http://file.open.com.cn/ItemDB/49386/51a0cc43-e8a3-48f1-b49b-062f92e54c31/20091128103758402.jpg" />
A.错误
B.正确
正确答案:————
16.[判断题] <img width="356" height="47" alt="" src="http://file.open.com.cn/ItemDB/49386/6399cea0-b958-400c-97a5-c1867f309d03/2013118142631105.png" />
A.错误
B.正确
正确答案:————
17.[判断题] <img width="285" height="20" alt="" src="http://file.open.com.cn/ItemDB/49386/ef77e7db-25ac-4722-a369-3e3070e192ad/2013117163835202.png" />
A.错误
B.正确
正确答案:————
18.[判断题] <img width="458" height="42" alt="" src="http://file.open.com.cn/ItemDB/49386/5f1d59b8-c355-47d7-a35c-1027f256b2a3/2013118143149849.png" />
A.错误
B.正确
正确答案:————
19.[判断题] <img width="414" height="67" alt="" src="http://file.open.com.cn/ItemDB/49386/e52a4490-165e-457e-8c4a-6c062aeb5459/201311814101964.png" />
A.错误
B.正确
正确答案:————
20.[判断题] <img alt="" width="328" height="37" src="http://file.open.com.cn/ItemDB/49386/a3e5af4d-16af-4c4e-8266-4874b5989f81/20131181526422.png" />
A.错误
B.正确
正确答案:————
19秋学期《高等数学(二)》在线平时作业2
1.[单选题] <img width="295" height="49" alt="" src="http://file.open.com.cn/ItemDB/49386/a31b8b99-196e-4e73-a116-63d6482f372d/201311910554506.png" />
A.<img width="64" height="28" alt="" src="http://file.open.com.cn/ItemDB/49386/a31b8b99-196e-4e73-a116-63d6482f372d/20131191063209.png" />
B.<img width="75" height="32" alt="" src="http://file.open.com.cn/ItemDB/49386/a31b8b99-196e-4e73-a116-63d6482f372d/20131191061169.png" />
C.<img width="69" height="30" alt="" src="http://file.open.com.cn/ItemDB/49386/a31b8b99-196e-4e73-a116-63d6482f372d/20131191061838.png" />
D.<img width="79" height="37" alt="" src="http://file.open.com.cn/ItemDB/49386/a31b8b99-196e-4e73-a116-63d6482f372d/20131191062823.png" />
正确答案:——D——
2.[单选题] <img width="415" height="155" alt="" src="http://file.open.com.cn/ItemDB/49386/c01f7c9d-494b-4a75-ac21-80974e97dba6/2013111313351596.png" />
A.A
B.B
C.C
D.D
正确答案:——A——
3.[单选题] <img height="145" width="449" alt="" src="http://file.open.com.cn/ItemDB/49386/93c0e839-99d9-4785-9e29-8e1212251b26/20091128116126.jpg" />
A.A
B.B
C.C
D.D
正确答案:——D——
4.[单选题] <img width="415" height="155" alt="" src="http://file.open.com.cn/ItemDB/49386/f04a9f5d-6dd5-4a41-802a-38079071f256/2013111317726635.png" />
A.A
B.B
C.C
D.D
正确答案:————
5.[单选题] <img width="455" height="30" alt="" src="http://file.open.com.cn/ItemDB/49386/bba72707-c19f-48a2-a4a4-d21fde3f9961/201311816252299.png" />
A.(1,0)
B.(1,2)
C.(-3,0)
D.(-3,2)
正确答案:————
6.[多选题] <img width="464" height="32" alt="" src="http://file.open.com.cn/ItemDB/49386/bee2e9cd-7a16-4e7c-bedf-9f4c3c1de7d0/201311816439508.png" />
A.<img width="212" height="38" alt="" src="http://file.open.com.cn/ItemDB/49386/bee2e9cd-7a16-4e7c-bedf-9f4c3c1de7d0/2013118164317320.png" />
B.<img width="343" height="40" alt="" src="http://file.open.com.cn/ItemDB/49386/bee2e9cd-7a16-4e7c-bedf-9f4c3c1de7d0/2013118164323899.png" />
C.<img width="498" height="37" alt="" src="http://file.open.com.cn/ItemDB/49386/bee2e9cd-7a16-4e7c-bedf-9f4c3c1de7d0/2013118164329680.png" />
D.<img width="497" height="66" alt="" src="http://file.open.com.cn/ItemDB/49386/bee2e9cd-7a16-4e7c-bedf-9f4c3c1de7d0/2013118164336243.png" />
正确答案:————
7.[多选题] <img width="337" height="42" alt="" src="http://file.open.com.cn/ItemDB/49386/179d73b1-0ff2-4c93-babe-76a665d0479e/201311994441177.png" />
A.<img width="64" height="44" alt="" src="http://file.open.com.cn/ItemDB/49386/179d73b1-0ff2-4c93-babe-76a665d0479e/201311994449833.png" />
B.<img width="91" height="47" alt="" src="http://file.open.com.cn/ItemDB/49386/179d73b1-0ff2-4c93-babe-76a665d0479e/201311994456583.png" />
C.<img width="79" height="47" alt="" src="http://file.open.com.cn/ItemDB/49386/179d73b1-0ff2-4c93-babe-76a665d0479e/2013119945399.png" />
D.<img width="54" height="44" alt="" src="http://file.open.com.cn/ItemDB/49386/179d73b1-0ff2-4c93-babe-76a665d0479e/201311994511693.png" />
正确答案:————
8.[多选题] <img width="160" height="44" alt="" src="http://file.open.com.cn/ItemDB/49386/bb15322e-f473-48d7-967f-8511b05557b5/201311994817792.png" />
A.交错级数
B.等比级数
C.条件收敛
D.绝对收敛
正确答案:————
9.[多选题] <img width="250" height="28" alt="" src="http://file.open.com.cn/ItemDB/49386/dd355055-5073-4cb0-a856-d15dda752dc2/2013118163454976.png" />
A.(0,0,3)
B.(0,3,0)
C.(5,-2,0)
D.(-5,2,1)
正确答案:————
10.[多选题] <img height="70" width="518" alt="" src="http://file.open.com.cn/ItemDB/49386/2332808d-5690-441a-af22-45557f7dce40/2009112811119618.jpg" />
A.A
B.B
C.C
D.D
正确答案:————
11.[判断题] <img width="538" height="67" alt="" src="http://file.open.com.cn/ItemDB/49386/a1384c2f-01ff-4456-a4b6-8a71478d372c/2013118143531638.png" />
A.错误
B.正确
正确答案:————
12.[判断题] <img width="538" height="72" alt="" src="http://file.open.com.cn/ItemDB/49386/bde9dcc3-dfd2-4efc-9e37-3985bef69538/2013117163624761.png" />
A.错误
B.正确
正确答案:————
13.[判断题] <img height="51" width="416" alt="" src="http://file.open.com.cn/ItemDB/49386/a4706573-c8d4-4348-9606-d9e28240203b/20091128104132294.jpg" />
A.错误
B.正确
正确答案:————
14.[判断题] <img width="415" height="155" alt="" src="http://file.open.com.cn/ItemDB/49386/71135229-c331-461e-b7ea-87de09a3b6c4/20131113182324843.png" />
A.错误
B.正确
正确答案:————
15.[判断题] <img width="329" height="61" alt="" src="http://file.open.com.cn/ItemDB/49386/fe5b515e-5512-4d38-b068-464cd6196451/2013118143319118.png" />
A.错误
B.正确
正确答案:————
16.[判断题] <img alt="" width="347" height="38" src="http://file.open.com.cn/ItemDB/49386/d379b8f0-0e91-4217-b1cb-9b2363fecfc3/2013118152719284.png" />
A.错误
B.正确
正确答案:————
17.[判断题] <img height="63" width="456" alt="" src="http://file.open.com.cn/ItemDB/49386/88a11b69-d741-419a-b955-1835c166179e/2009112811418175.jpg" />
A.错误
B.正确
正确答案:————
18.[判断题] <img width="453" height="46" alt="" src="http://file.open.com.cn/ItemDB/49386/68b90c28-9cee-44f1-8fff-1bcbc425d594/2013118145831994.png" />
A.错误
B.正确
正确答案:————
19.[判断题] <img height="50" width="285" alt="" src="http://file.open.com.cn/ItemDB/49386/168ccfdd-63ba-4957-9bf7-5d169944df48/20091128114132552.jpg" />
A.错误
B.正确
正确答案:————
20.[判断题] <img width="415" height="155" alt="" src="http://file.open.com.cn/ItemDB/49386/52303d0c-7f24-445c-86d0-9869472e22f6/2013111317220141.png" />
A.错误
B.正确
正确答案:————
19秋学期《高等数学(二)》在线平时作业3
1.[单选题] <img width="415" height="155" alt="" src="http://file.open.com.cn/ItemDB/49386/035c7501-9376-44ff-ae75-b9cb30189081/2013111318538950.png" />
A.A
B.B
C.C
D.D
正确答案:——D——
2.[单选题] <img width="415" height="155" alt="" src="http://file.open.com.cn/ItemDB/49386/e29632c9-0aea-4f36-a4e8-81b5de9fbdd8/20131113174140810.png" />
A.A
B.B
C.C
D.D
正确答案:——D——
3.[单选题] <img height="105" width="580" alt="" src="http://file.open.com.cn/ItemDB/49386/acd13224-e2c5-4007-b7cd-5fcfeab79bf8/2009112811748398.jpg" />
A.A
B.B
C.C
D.D
正确答案:——D——
4.[单选题] <img height="126" width="397" alt="" src="http://file.open.com.cn/ItemDB/49386/2ba5fe27-b0a8-4100-a082-6659c28da8a3/2009112810172019.jpg" />
A.A
B.B
C.C
D.D
正确答案:————
5.[单选题] <img height="84" width="435" alt="" src="http://file.open.com.cn/ItemDB/49386/19ebe9b4-041f-4758-9411-5a4ec5d25890/20091128113015870.jpg" />
A.A
B.B
C.C
D.D
正确答案:————
6.[多选题] <img width="531" height="44" alt="" src="http://file.open.com.cn/ItemDB/49386/2d2553a4-a4b6-4ddf-a10b-8dae3979be38/201311993551429.png" />
A.<img width="177" height="49" alt="" src="http://file.open.com.cn/ItemDB/49386/2d2553a4-a4b6-4ddf-a10b-8dae3979be38/20131199360273.png" />
B.<img width="179" height="55" alt="" src="http://file.open.com.cn/ItemDB/49386/2d2553a4-a4b6-4ddf-a10b-8dae3979be38/20131199366679.png" />
C.<img width="178" height="44" alt="" src="http://file.open.com.cn/ItemDB/49386/2d2553a4-a4b6-4ddf-a10b-8dae3979be38/201311993613414.png" />
D.<img width="180" height="47" alt="" src="http://file.open.com.cn/ItemDB/49386/2d2553a4-a4b6-4ddf-a10b-8dae3979be38/201311993622117.png" />
正确答案:————
7.[多选题] <img height="125" width="466" alt="" src="http://file.open.com.cn/ItemDB/49386/1cf4b189-ae47-4288-bef4-159baafbed5f/20091128102239115.jpg" />
A.A
B.B
C.C
D.D
正确答案:————
8.[多选题] <img width="526" height="63" alt="" src="http://file.open.com.cn/ItemDB/49386/d80a458f-458a-44f8-ba37-b03320d6d8b8/2013118162930356.png" />
A.连续
B.偏导数存在
C.偏导数连续
D.切平面存在
正确答案:————
9.[多选题] <img width="203" height="25" alt="" src="http://file.open.com.cn/ItemDB/49386/d3456c84-b6c9-4d80-b4d6-5b080c5775bd/201311994954388.png" />
A.<img width="73" height="46" alt="" src="http://file.open.com.cn/ItemDB/49386/d3456c84-b6c9-4d80-b4d6-5b080c5775bd/20131199501700.png" />
B.<img width="90" height="45" alt="" src="http://file.open.com.cn/ItemDB/49386/d3456c84-b6c9-4d80-b4d6-5b080c5775bd/201311995011576.png" />
C.<img width="76" height="48" alt="" src="http://file.open.com.cn/ItemDB/49386/d3456c84-b6c9-4d80-b4d6-5b080c5775bd/20131199501845.png" />
D.<img width="84" height="46" alt="" src="http://file.open.com.cn/ItemDB/49386/d3456c84-b6c9-4d80-b4d6-5b080c5775bd/201311995026154.png" />
正确答案:————
10.[多选题] <img width="228" height="43" alt="" src="http://file.open.com.cn/ItemDB/49386/340e84f1-f26d-45bb-bc82-11053fd0f0da/201311994017545.png" />
A.<img width="136" height="47" alt="" src="http://file.open.com.cn/ItemDB/49386/340e84f1-f26d-45bb-bc82-11053fd0f0da/20131199402576.png" />
B.<img width="116" height="43" alt="" src="http://file.open.com.cn/ItemDB/49386/340e84f1-f26d-45bb-bc82-11053fd0f0da/201311994033545.png" />
C.<img width="82" height="49" alt="" src="http://file.open.com.cn/ItemDB/49386/340e84f1-f26d-45bb-bc82-11053fd0f0da/201311994041592.png" />
D.<img width="71" height="38" alt="" src="http://file.open.com.cn/ItemDB/49386/340e84f1-f26d-45bb-bc82-11053fd0f0da/201311994049452.png" />
正确答案:————
11.[判断题] <img height="44" width="290" alt="" src="http://file.open.com.cn/ItemDB/49386/e6a6793c-89f9-45ac-b2d8-725eb4a88a35/2009112810928172.jpg" />
A.错误
B.正确
正确答案:————
12.[判断题] <img width="415" height="155" alt="" src="http://file.open.com.cn/ItemDB/49386/c73b9edf-ed11-4982-af48-b0eea66c4e77/20131113165745304.png" />
A.错误
B.正确
正确答案:————
13.[判断题] <img width="306" height="45" alt="" src="http://file.open.com.cn/ItemDB/49386/8db904fb-2091-4f9f-8389-8fe3d9c1ec94/2013118143349259.png" />
A.错误
B.正确
正确答案:————
14.[判断题] <img width="392" height="75" alt="" src="http://file.open.com.cn/ItemDB/49386/5be917e1-b231-4b53-98f2-a17a9ebf4626/201311814141432.png" />
A.错误
B.正确
正确答案:————
15.[判断题] <img width="256" height="27" alt="" src="http://file.open.com.cn/ItemDB/49386/ddda80ac-b3ea-448c-b897-c86db68b5610/2013117163654699.png" />
A.错误
B.正确
正确答案:————
16.[判断题] <img width="491" height="102" alt="" src="http://file.open.com.cn/ItemDB/49386/48990d85-7e61-418a-9689-81c400395b3a/2013118145953606.png" />
A.错误
B.正确
正确答案:————
17.[判断题] <img width="340" height="34" alt="" src="http://file.open.com.cn/ItemDB/49386/29678a8c-62ef-476c-acfc-1c1e3d4a2e82/2013118145122387.png" />
A.错误
B.正确
正确答案:————
18.[判断题] <img height="46" width="476" alt="" src="http://file.open.com.cn/ItemDB/49386/0762603b-e526-4bbe-b852-944c0eb87f18/2009112811267667.jpg" />
A.错误
B.正确
正确答案:————
19.[判断题] <img height="51" width="495" alt="" src="http://file.open.com.cn/ItemDB/49386/77665847-4163-4be6-9224-37a8cbebcff1/20091128103614104.jpg" />
A.错误
B.正确
正确答案:————
20.[判断题] <img width="531" height="59" alt="" src="http://file.open.com.cn/ItemDB/49386/11c1c38a-c720-4619-9f87-18cff6f07493/201311814267479.png" />
A.错误
B.正确
正确答案:————
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