1. 难度:中等 | |
(2001•温州)计算:![]() |
2. 难度:中等 | |
(2001•金华)(1)计算:![]() (2)解方程: ![]() |
3. 难度:中等 | |
(2004•烟台)已知:![]() ![]() |
4. 难度:中等 | |
(2001•重庆)先化简,再求值:![]() ![]() ![]() |
5. 难度:中等 | |
(2001•武汉)已知![]() ![]() |
6. 难度:中等 | |
(2001•沈阳)已知![]() ![]() |
7. 难度:中等 | |
(2001•绍兴)当![]() |
8. 难度:中等 | |
(2010•德州)先化简,再求值:![]() ![]() |
9. 难度:中等 | |
(2002•泰州)计算:![]() |
10. 难度:中等 | |
(2001•贵阳)计算:![]() |