1. 难度:中等 | |
(2002•长沙)计算:![]() ![]() |
2. 难度:中等 | |
(2002•连云港)若ab=1,则![]() |
3. 难度:中等 | |
(2010•南平)计算:2-1= . |
4. 难度:中等 | |
(2002•上海)计算:![]() |
5. 难度:中等 | |
(2002•娄底)2002+(-2)-1= . |
6. 难度:中等 | |
(2002•呼和浩特)要使(![]() |
7. 难度:中等 | |
(2002•大连)计算3-2的结果是 . |
8. 难度:中等 | |
(2002•常州)(-2)= ;![]() |
9. 难度:中等 | |
(2002•福州)计算:![]() |
10. 难度:中等 | |
(2013•眉山)函数y=![]() |
11. 难度:中等 | |
(2008•北京)在函数y=![]() |
12. 难度:中等 | |
(2004•三明)函数![]() |
13. 难度:中等 | |
(2002•扬州)函数y=![]() |
14. 难度:中等 | |
(2002•无锡)函数y=![]() ![]() |
15. 难度:中等 | |
(2002•湖州)函数y=![]() |
16. 难度:中等 | |
(2002•河南)函数![]() |
17. 难度:中等 | |
(2011•黑龙江)函数y=![]() |
18. 难度:中等 | |
(2002•东城区)函数![]() |
19. 难度:中等 | |
(2002•崇文区)在函数y=![]() |
20. 难度:中等 | |
(2002•浙江)计算:tan45°+![]() |
21. 难度:中等 | |
(2002•乌鲁木齐)2sin45°+(![]() ![]() |
22. 难度:中等 | |
(2002•龙岩)计算:(sin30°)-2-(tan60°)= . |
23. 难度:中等 | |
(2002•荆州)计算:![]() ![]() |
24. 难度:中等 | |
(2006•烟台)计算:![]() ![]() ![]() |
25. 难度:中等 | |
(2002•徐州)计算:![]() |
26. 难度:中等 | |
(2002•四川)计算:2sin30°-![]() ![]() |
27. 难度:中等 | |
(2002•陕西)(1)计算2+2sin45°-![]() (2)化简 ![]() |