本课配套习题挑战模式1/4
单选题
难度系数:
1.已知,则是(过程要求用配凑法)( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IDxpbWcgd2lkdGg9Mzk2IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0IzL0E0L3JCQUNFMVBrZkdfVEF1a0JBQUFEaXg3V29BMDE0MC5wbmciPg==
- 答案:Qw==
6Kej5p6Q77yaPGltZyB3aWR0aD0zOTYgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvQjMvQTQvckJBQ0UxUGtmR19UQXVrQkFBQURpeDdXb0EwMTQwLnBuZyI+LDxicj7iiLQ8aW1nIHdpZHRoPTExNyBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9CMy9BNC9yQkFDRTFQa2ZHNkRnci1NQUFBQ1Z4WEdJcU0yMDgucG5nIj48YnI+5pWF6YCJQw==
本课配套习题挑战模式2/4
单选题
难度系数:
2.已知,则是(过程要求用换元法)( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:DQrku6Q8aW1nIHdpZHRoPTU2IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzc2LzAxL3JCQUNGRlBrZkgyaUYxaHRBQUFCZTAxRnY1TTQyMy5wbmciPizliJnvvJo8aW1nIHdpZHRoPTU2IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0IzL0E0L3JCQUNFMVBrZkg3emZrYlBBQUFCaHdabjFYdzIzOC5wbmciPg==
- 提示2:DQo8aW1nIHdpZHRoPTMzMCBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC83Ni8wMS9yQkFDRkZQa2ZINkRkQ1FOQUFBRDF6d0FVcGs4MzcucG5nIj4=
- 答案:Qw==
6Kej5p6Q77ya5LukPGltZyB3aWR0aD01NiBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC83Ni8wMS9yQkFDRkZQa2ZIMmlGMWh0QUFBQmUwMUZ2NU00MjMucG5nIj4s5YiZ77yaPGltZyB3aWR0aD01NiBoZWlnaHQ9MjEgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9CMy9BNC9yQkFDRTFQa2ZIN3pma2JQQUFBQmh3Wm4xWHcyMzgucG5nIj4sPGJyPuaJgOS7pe+8mjxpbWcgd2lkdGg9NDY0IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzc2LzAxL3JCQUNGRlBrZkg3RERfOV9BQUFFb0JsOUR5WTEzMi5wbmciPjxicj7mlYXpgIlD
本课配套习题挑战模式3/4
单选题
难度系数:
3.已知( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1:IDxpbWcgd2lkdGg9MTY3IGhlaWdodD00MiBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0IzL0E1L3JCQUNFMVBrZkl5eHFaZFpBQUFDNUNsQXNfMDY0My5wbmciPiw8aW1nIHdpZHRoPTU2IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzc2LzAxL3JCQUNGRlBrZkl6eUZYemZBQUFDRFdhU3BvZzQ2MS5wbmciPu+8jOaJgOS7pe+8mjxpbWcgd2lkdGg9MTMwIGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzc2LzAxL3JCQUNGRlBrZkl1VDMtYU1BQUFDbG5kbXhPSTMyMS5wbmciPu+8jOWHveaVsOeahOWumuS5ieWfn+aYr+S4jeiDvea8j+aOieeahCE=
- 答案:Qg==
6Kej5p6Q77yaPGltZyB3aWR0aD0xNjcgaGVpZ2h0PTQyIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQjMvQTUvckJBQ0UxUGtmSXl4cVpkWkFBQUM1Q2xBc18wNjQzLnBuZyI+LDxpbWcgd2lkdGg9NTYgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNzYvMDEvckJBQ0ZGUGtmSXp5Rlh6ZkFBQUNEV2FTcG9nNDYxLnBuZyI+77yM5omA5Lul77yaPGltZyB3aWR0aD0xMzAgaGVpZ2h0PTIxIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNzYvMDEvckJBQ0ZGUGtmSXVUMy1hTUFBQUNsbmRteE9JMzIxLnBuZyI+77yM5Ye95pWw55qE5a6a5LmJ5Z+f5piv5LiN6IO95ryP5o6J55qEIQ==
本课配套习题挑战模式4/4
单选题
难度系数:
4.已知( )
A: |
B: |
C: |
D: |
一次做对,真牛!
+5奖励规则>
- 提示1: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
- 答案:Qg==
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