中学生网络课堂本课配套习题挑战模式1/5
单选题
难度系数：
1.定积分
的值是（ ）
的值是（ ） | A: 1 |
| B: 2 |
| C: 3 |
| D: 4 |
一次做对，真牛！
+5奖励规则>
- 提示1：IGNvczJ4PTxpbWcgd2lkdGg9MTU4IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZFL0NEL3JCQUNFMU5RMWxyaXlLYjNBQUFDYmF5SVptZzI4OS5wbmciPizmiYDku6U8aW1nIHdpZHRoPTEyMyBoZWlnaHQ9NDQgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9GRS9DRC9yQkFDRTFOUTFscVJ3dmZ6QUFBRkJUaVhRNEE0NzMucG5nIj48aW1nIHdpZHRoPTE1MiBoZWlnaHQ9NDIgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC9GRS9DRC9yQkFDRTFOUTFscXhXTHVQQUFBRG5YV3BPX2szODAucG5nIj4=
- 提示2：IDxpbWcgd2lkdGg9Mzg4IGhlaWdodD00NCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZFL0NEL3JCQUNFMU5RMWxxQTJ2b0hBQUFMRnVwcl9kMDQwOS5wbmciPg==
- 答案：Qg==
6Kej77yaPGltZyB3aWR0aD0zODggaGVpZ2h0PTQ0IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRkUvQ0QvckJBQ0UxTlExbHFBMnZvSEFBQUxGdXByX2QwNDA5LnBuZyI+
本课配套习题挑战模式2/5
单选题
难度系数：
2.定积分
等于（ ）
等于（ ） | A: 1 |
| B: 2 |
| C: 3 |
| D: 4 |
一次做对，真牛！
+5奖励规则>
- 提示1：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
- 提示2：IDxpbWcgd2lkdGg9MTg3IGhlaWdodD00MSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZFL0NEL3JCQUNFMU5RMW5XQUR4UW1BQUFGTjVZVnZTMDEyOC5wbmciPu+8jDxpbWcgd2lkdGg9MjE3IGhlaWdodD00NyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZFL0NEL3JCQUNFMU5RMW5YUmVaTlhBQUFGX0l3VDg0TTc5Ni5wbmciPg==
- 答案：QQ==
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
本课配套习题挑战模式3/5
单选题
难度系数：
3.定积分
（）
（） | A: 5 |
| B: 6 |
| C: 7 |
| D: 8 |
一次做对，真牛！
+5奖励规则>
- 提示1：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
- 提示2：IOaJgOS7pTxpbWcgd2lkdGg9MzA3IGhlaWdodD0yOSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0ZFL0NEL3JCQUNFMU5RMW9ldzk2bGRBQUFIYXNteFVlODEyNS5wbmciPjxpbWcgd2lkdGg9MTg4IGhlaWdodD00OCBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZFL0NEL3JCQUNFMU5RMW9maG5iUmdBQUFGZ2MwTnQ5azkxOC5wbmciPj04
- 答案：RA==
6Kej77yaPGltZyB3aWR0aD0zMDcgaGVpZ2h0PTI5IHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvRkUvQ0QvckJBQ0UxTlExb2V3OTZsZEFBQUhhc214VWU4MTI1LnBuZyI+PGltZyB3aWR0aD0xODggaGVpZ2h0PTQ4IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRkUvQ0QvckJBQ0UxTlExb2ZobmJSZ0FBQUZnYzBOdDlrOTE4LnBuZyI+PGltZyB3aWR0aD0yNCBoZWlnaHQ9MTggc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9GRS9DRC9yQkFDRTFOUTFvZlFpaHNZQUFBQmE2VXk5NnMxNDIucG5nIj4=
本课配套习题挑战模式4/5
单选题
难度系数：
4.设
，则
的值为（）
，则的值为（） A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWIhuauteWHveaVsOimgeWIhuauteenr+WIhg==
- 提示2：IDxpbWcgd2lkdGg9NDg5IGhlaWdodD00NSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZFL0NFL3JCQUNFMU5RMXBuQmw1VFdBQUFPN3JsOVBTYzYzMC5wbmciPg==
- 答案：Qw==
6Kej77yaPGltZyB3aWR0aD00ODkgaGVpZ2h0PTQ1IHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRkUvQ0UvckJBQ0UxTlExcG5CbDVUV0FBQU83cmw5UFNjNjMwLnBuZyI+
本课配套习题挑战模式5/5
单选题
难度系数：
5.若
，
，
，则
的大小关系为( )
，，，则的大小关系为( ) A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IDxpbWcgd2lkdGg9MTYwIGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0ZFL0NFL3JCQUNFMU5RMXFtQ1FtUzNBQUFGSWhMWGEtNDg1Ni5wbmciPg==
- 提示2：IDxpbWcgd2lkdGg9MTY3IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0ZFL0NFL3JCQUNFMU5RMXFud3JiVjBBQUFGQWZjbWJzSTgzMi5wbmciPg==
- 提示3：IDxpbWcgd2lkdGg9MTcyIGhlaWdodD0zNSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0ZFL0NFL3JCQUNFMU5RMXFuaVFrZ0FBQUFFc1BwdUlaQTA2MC5wbmciPg==
- 答案：Qg==
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
