本课配套习题挑战模式3/5
单选题
难度系数:
3.
对于an,下列说法正确的有()①a的n次幂 ②n个a相乘 ③a的n次方 ④n个a相加 ⑤以a为底,n为指数
A: 1种 |
B: 2种 |
C: 3种 |
D: 4种 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5rOo5oSP6YG/5YWN5ryP6YCJPC9wPg==
- 答案:RA==
PHA+5rGCbuS4quebuOWQjOWboOaVsOeahOenr+eahOi/kOeul++8jOWPq+WBmuS5mOaWueOAguS5mOaWueeahOe7k+aenOWPq+WBmuW5gu+8jDxpbWcgc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8zRS9FRi9yQkFDSjFUSW85N3hiX0d3QUFBQk9aV1lJaUU0NjMucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzNFL0VGL3JCQUNKMVRJbzk3eGJfR3dBQUFCT1pXWUlpRTQ2My5wbmciIGhlaWdodD0iMjEiIHdpZHRoPSIxNCI+5Y+v5Lul6K+75L2cYeeahG7mrKHmlrnvvIzkuZ/lj6/or7vkvZxh55qEbuasoeW5guOAguaVheKRoOKRoeKRouKRpOWdh+espuWQiO+8jOmAiUQ8L3A+
本课配套习题挑战模式5/5
单选题
难度系数:
5.
已知a<0,-1<b<0,则a、ab、ab2按从小到大的顺序排列为()
A: a<ab<ab2 |
B: ab2<a<ab |
C: ab<ab2<a |
D: a<ab2<ab |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+5YWI5YiG5p6Q5ZCE6aG55q2j6LSf77yM5YaN57uG5YyW5q+U6L6D5aSn5bCPPC9wPg==
- 答案:RA==
PHA+YWLvvJ4w77yMYeS4jmFiPHN1cD4yPC9zdXA+5Z2H5bCP5LqOMO+8jOWPiOKItS0x77ycYu+8nDDvvIziiLRh77ycYWI8c3VwPjI8L3N1cD7vvJww77yM4oi0YWLvvJxhYjxzdXA+Mjwvc3VwPu+8nGHvvIzpgIlEPC9wPg==