1. 难度:中等 | |
(2005•玉林) |
2. 难度:中等 | |
(2005•扬州)(1)计算:; (2)已知:如图,点E是正方形ABCD的边CD上一点,点F是CB的延长线上一点,且EA⊥AF.求证:DE=BF. |
3. 难度:中等 | |
(2005•盐城)计算:cos60°+--2-1. |
4. 难度:中等 | |
(2005•无锡)(1)计算:; (2)解不等式组:. |
5. 难度:中等 | |
(2005•泰州)计算:-12005-(1+0.5)×3-1÷(-2)2+(cos60°-). |
6. 难度:中等 | |
(2005•苏州)不使用计算器,计算: |
7. 难度:中等 | |
(2005•四川)计算:2cos45°-(-2)+-. |
8. 难度:中等 | |
(2005•十堰)计算:(-2)3+(2005+π)-|-|. |
9. 难度:中等 | |
(2005•宁夏)计算:-)×|-6|+()-2-(π-3) |
10. 难度:中等 | |
(2005•南通)(1)计算; (2)计算. |
11. 难度:中等 | |
(2005•南宁)计算:()-1•sin30°-(6-π). |
12. 难度:中等 | |
(2005•南宁)计算:tan60°+(-3)+(6-π). |
13. 难度:中等 | |
(2005•梅州)计算:(-2)2-()-1×+(1-). |
14. 难度:中等 | |
(2005•眉山)计算:(-1)-1--(2-tan50°). |
15. 难度:中等 | |
(2005•锦州)下面(1)、(2)两个小题中,请任选一题作答,若两个小题都解答,只以第(1)题评分. (1)(1++tan60°;(2). |
16. 难度:中等 | |
(2005•金华)计算:(1+)-(). |
17. 难度:中等 | |
(2005•黄石)计算:. |
18. 难度:中等 | |
(2005•淮安)计算:-. |
19. 难度:中等 | |
(2005•湖州)|-2|-(-1)+ |
20. 难度:中等 | |
(2005•海淀区)计算:. |
21. 难度:中等 | |
(2005•桂林)计算:0.25×()-2-()+tan60°.(结果保留根号) |
22. 难度:中等 | |
(2005•北京)计算:-(cos30°) |
23. 难度:中等 | |
(2005•四川)解答下列各题: (1)计算:•tan60°; (2)化简:m(m-1)+(m2-m)÷m+1; (3)解方程:. |
24. 难度:中等 | |
(2005•绵阳)(1)化简:; (2)计算:. |
25. 难度:中等 | |
(2005•徐州)计算:(-2)2-2+()-1+-. |
26. 难度:中等 | |
(2005•双柏县)计算:2005-|-|++. |
27. 难度:中等 | |
(2005•泸州)计算:. |
28. 难度:中等 | |
(2005•衢州)计算:-|-3|+tan60°. |