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.已知
是实数，
，若
则 a 的值为（）
是实数，，若则 a 的值为（） A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOagueaNrjxpbWcgd2lkdGg9MTY0IGhlaWdodD0yMSBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzIzLzQzL3JCQUNFMU1NVWZDeXFaOGxBQUFEQ0V6QlRhUTg5My5wbmciPu+8jOWPr+axguWHunjvvIx555qE5YC8
- 答案：RA==
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
本课配套习题挑战模式2/5
单选题
难度系数：
2.已知实数a、b、c满足
，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：IOagueaNrumdnui0n+aVsOeahOaAp+i0qOWIl+WHuuaWueeoi+axguWHumHjgIFi44CBY+eahOWAvO+8jOS7o+WFpeaJgOaxguS7o+aVsOW8j+iuoeeul+WNs+WPrw==
- 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.设a是一个无理数，且a、b满足ab-a-b+1=0，则b是一个（ ）
| A: 小于0的有理数 |
| B: 大于0的有理数 |
| C: 小于0的无理数 |
| D: 大于0的无理数 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOWFiOaKimFiLWEtYisxPTDljJbkuLrvvIhhLTHvvInvvIhiLTHvvIk9MOeahOW9ouW8jw==
- 提示2：IOWGjeagueaNrmHmmK/ml6DnkIbmlbDvvIzliIbmnpDmsYLlh7pi55qE5YC8
- 答案：Qg==
PGRpdj7op6PvvJriiLVhYi1hLWIrMT0w77yMPGJyPuKItO+8iGEtMe+8ie+8iGItMe+8iT0w77yMPGJyPuKItWHmmK/ml6DnkIbmlbDvvIw8YnI+4oi0YS0x5LiN5Li6MO+8jDxicj7iiLRiLTE9MO+8jGI9Me+8jDxicj7iiLRi5piv5aSn5LqOMOeahOacieeQhuaVsDwvZGl2Pg==
本课配套习题挑战模式4/5
单选题
难度系数：
4.已知：实数
满足
，则的值分别为（ ）
满足，则的值分别为（ ） | A: -2，2 |
| B: 2，-2 |
| C: 1，-2 |
| D: -2，1 |
一次做对，真牛！
+5奖励规则>
- 提示1：IOagueaNruS6jOasoeagueW8j+eahOS5mOaWueaVtOeQhuaIkOWFs+S6jnjjgIF555qE5LqM5YWD5LiA5qyh5pa556iL57uE77yM54S25ZCO5Yip55So5Luj5YWl5raI5YWD5rOV5rGC6Kej5Y2z5Y+v
- 答案：QQ==
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
本课配套习题挑战模式5/5
单选题
难度系数：
5.已知a,b是有理数，且
则a，b的值分别为（ ）
则a，b的值分别为（ ） A:  |
B:  |
C:  |
D:  |
一次做对，真牛！
+5奖励规则>
- 提示1：IOaKiuWOn+etieW8j+aVtOeQhuaIkOacieeQhuaVsOS4juaXoOeQhuaVsOS4pOmDqOWIhu+8jOi/kOeUqOWunuaVsOeahOaAp+i0qOW7uueri+WFs+S6jmHjgIFi55qE5pa556iL57uE
- 答案：QQ==
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
