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单选题 级数
收敛正确的是( )
A. 
条件收敛
B. 
时条件收敛
C. 时绝对收敛
D. 时发撒
学科：默认课程
时间：2025-12-07 13:12:13
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题目1单选题
级数<img src="https://tihai-oss-cloud.itihey.com/img/39c01e7451002fe7f03cab2e31c5d0da.png">是( )A. 发散B. 不确定性C. 收敛于0D. 收敛的
题目2单选题
级数<img src="https://tihai-oss-cloud.itihey.com/img/449e9708e248b5b9732d9624761adcf1.png">是( )A. <img src="https://tihai-oss-cloud.itihey.com/img/ca6a7acf8c99baff4c9e1b954f88815f.png">为奇数时收敛B. <img src="https://tihai-oss-cloud.itihey.com/img/ca6a7acf8c99baff4c9e1b954f88815f.png">为偶数时收敛C. 收敛D. 发散
题目3单选题
级数<img src="https://tihai-oss-cloud.itihey.com/img/b174d9b8c1b67e10e3610ee890231eaf.png"> 是( )A. 收敛于<img src="https://tihai-oss-cloud.itihey.com/img/c5450d131f0dd9788b455afe9993dff3.png">B. 敛散性不确定C. 发散的D. 收敛于1
题目4单选题
对于级数<img src="https://tihai-oss-cloud.itihey.com/img/3e1e83f77dfc714c54638202a3e97857.png">,下列说法正确的是( )A. 若<img src="https://tihai-oss-cloud.itihey.com/img/9f6287dee8e374aee8b26b5e4d82b443.png">,则级数发散B. 若<img src="https://tihai-oss-cloud.itihey.com/img/57c362fd2af7167bc9dc683c9599e3a6.png">,则级数发散C. 若<img src="https://tihai-oss-cloud.itihey.com/img/9f6287dee8e374aee8b26b5e4d82b443.png">,则级数收敛D. 若<img src="https://tihai-oss-cloud.itihey.com/img/57c362fd2af7167bc9dc683c9599e3a6.png">,则级数收敛
题目5单选题
级数<img src="https://tihai-oss-cloud.itihey.com/img/fbfac5a5dd52f4f140fa56d375184ff4.png">是( )A. 收敛于3B. 收敛于1C. 发散D. 收敛于2
题目6单选题
级数<img src="https://tihai-oss-cloud.itihey.com/img/78865ddff3ab2204db9bf15f89cc9836.png">是( )A. 不确定性B. 发散C. 收敛D. 发散,且通项收敛<img src="https://tihai-oss-cloud.itihey.com/img/993e111b51613cff923a540da9fcf733.png">
题目7单选题
级数<img src="https://tihai-oss-cloud.itihey.com/img/9afdd31a96d5a7b9affb8fa1c290acc4.png">是( )A. 条件收敛B. 绝对收敛C. 不确定性D. 发散
题目8单选题
级数<img src="https://tihai-oss-cloud.itihey.com/img/2f4152a9a74e5847f773b62df0846383.png">收敛正确的是( )A. <img src="https://tihai-oss-cloud.itihey.com/img/a9c2755293b36f214be8d6e5922fed11.png">条件收敛B. <img src="https://tihai-oss-cloud.itihey.com/img/f4d0f495c114369c771a29fbeeaea2be.png">时条件收敛C. <img src="https://tihai-oss-cloud.itihey.com/img/f4d0f495c114369c771a29fbeeaea2be.png">时绝对收敛D. <img src="https://tihai-oss-cloud.itihey.com/img/f4d0f495c114369c771a29fbeeaea2be.png">时发撒
题目9单选题
级数<img src="https://tihai-oss-cloud.itihey.com/img/439ba9d6d60114f907abbdb77e1d20fc.png">是( )A. 收敛B. 发散,且通项收敛<img src="https://tihai-oss-cloud.itihey.com/img/b085a597fb005b1b89f61f7647a27b44.png">C. 发散D. 不确定性
题目10单选题
级数<img src="https://tihai-oss-cloud.itihey.com/img/3e1e83f77dfc714c54638202a3e97857.png">的部分和数列<img src="https://tihai-oss-cloud.itihey.com/img/6ad5b1f64bb634eb24f197f4adcfc3c8.png">有极限是级数<img src="https://tihai-oss-cloud.itihey.com/img/3e1e83f77dfc714c54638202a3e97857.png">收敛的( )A. 充要B. 无关C. 必要D. 充分
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