1. 难度:中等 | |
(2005•西宁)化简:![]() |
2. 难度:中等 | |
(2003•镇江)化简:![]() |
3. 难度:中等 | |
(2003•苏州)化简:![]() |
4. 难度:中等 | |
(2003•成都)化简:![]() |
5. 难度:中等 | |
(2003•南京)计算:![]() |
6. 难度:中等 | |
(2003•绵阳)化简:![]() |
7. 难度:中等 | |
(2003•淮安)化简:![]() |
8. 难度:中等 | |
(2008•乌兰察布)先化简,再求值![]() ![]() |
9. 难度:中等 | |
(2007•朝阳区)先化简,再求值:![]() ![]() |
10. 难度:中等 | |
(2005•荆门)先化简后求值:![]() ![]() |
11. 难度:中等 | |
(2003•宜昌)已知a=![]() ![]() |
12. 难度:中等 | |
(2003•湘潭)先化简,再求值:![]() |
13. 难度:中等 | |
(2003•泰州)先化简,再计算![]() |
14. 难度:中等 | |
(2003•随州)计算:![]() ![]() |
15. 难度:中等 | |
(2003•十堰)已知:![]() ![]() |
16. 难度:中等 | |
(2003•汕头)若![]() ![]() |
17. 难度:中等 | |
(2003•南通)先化简代数式![]() |
18. 难度:中等 | |
(2004•深圳)请你先将下式化简,再选取一个你喜爱又使原式有意义的数代入求值:(1+![]() ![]() |
19. 难度:中等 | |
(2003•荆门)先化简再求值(![]() ![]() ![]() ![]() ![]() |
20. 难度:中等 | |
(2003•吉林)化简并求值:![]() ![]() |
21. 难度:中等 | |
(2003•黄石)化简下列表达式,并求值:(![]() ![]() ![]() |
22. 难度:中等 | |
(2003•黑龙江)先化简,再求值:(x-1-![]() ![]() ![]() |
23. 难度:中等 | |
(2003•哈尔滨)当x=![]() ![]() |
24. 难度:中等 | |
(2003•贵阳)已知:x=1-![]() ![]() ![]() |
25. 难度:中等 | |
(2003•常德)已知:a=![]() ![]() ![]() |
26. 难度:中等 | |
(2003•泉州)计算:|-3|-4+(-2)2. |
27. 难度:中等 | |
(2003•绍兴)计算:![]() |
28. 难度:中等 | |
(2004•湖州)计算:(-2)+![]() ![]() |
29. 难度:中等 | |
(2003•肇庆)当x=![]() ![]() |
30. 难度:中等 | |
(2003•深圳)先化简再求值:![]() ![]() ![]() |