1. 难度:中等 | |
(2002•南通)当x=![]() ![]() |
2. 难度:中等 | |
(2002•娄底)当x=![]() ![]() ![]() |
3. 难度:中等 | |
(2002•湖州)先化简,再求值.![]() ![]() |
4. 难度:中等 | |
(2002•贵阳)(1)计算:![]() (2)先化简,再求值:已知:a=2- ![]() ![]() ![]() |
5. 难度:中等 | |
(2002•鄂州)先化简,再求值:![]() ![]() |
6. 难度:中等 | |
(2004•湖州)计算:(-2)+![]() ![]() |
7. 难度:中等 | |
(2002•绍兴)(1)计算:![]() (2)先化简,再求值: ![]() |
8. 难度:中等 | |
(2005•丰台区)计算:![]() |
9. 难度:中等 | |
(2002•徐州)计算:![]() |
10. 难度:中等 | |
(2002•西城区)计算:![]() |
11. 难度:中等 | |
(2002•益阳)计算:![]() |
12. 难度:中等 | |
(2002•深圳)计算![]() |
13. 难度:中等 | |
(2002•南通)计算: (1)5 ![]() ![]() ![]() (2) ![]() |
14. 难度:中等 | |
(2002•河南)计算:![]() |
15. 难度:中等 | |
(2002•宜昌)当x=![]() ![]() ![]() |
16. 难度:中等 | |
(2002•湘西州)化简求值![]() ![]() |
17. 难度:中等 | |
(2002•咸宁)当![]() ![]() |
18. 难度:中等 | |
(2002•太原)先化简,再求值:![]() ![]() |
19. 难度:中等 | |
(2002•内江)已知:![]() ![]() |
20. 难度:中等 | |
(2002•龙岩)先化简,后求值:![]() ![]() ![]() |
21. 难度:中等 | |
(2002•河北)已知x=![]() ![]() ![]() ![]() |
22. 难度:中等 | |
(2002•杭州)当![]() ![]() |
23. 难度:中等 | |
(2002•桂林)化简求值:![]() ![]() ![]() |
24. 难度:中等 | |
(2002•广元)先化简,再求值:![]() ![]() |
25. 难度:中等 | |
(2002•佛山)已知a=![]() ![]() ![]() |
26. 难度:中等 | |
(2002•达州)已知a=![]() ![]() |
27. 难度:中等 | |
(2002•宜昌)求函数y=![]() |
28. 难度:中等 | |
(2002•南宁)计算:|1-![]() ![]() ![]() |