1. 难度:中等 | |
(2002•重庆)计算![]() |
2. 难度:中等 | |
(2002•达州)计算(5+3![]() ![]() ![]() |
3. 难度:中等 | |
(2002•重庆)已知x=![]() ![]() |
4. 难度:中等 | |
(2002•青海)化简:![]() ![]() |
5. 难度:中等 | |
(2002•黄冈)若![]() ![]() |
6. 难度:中等 | |
(2002•潍坊)(1)在实数范围内因式分【解析】 5x2-8xy+2y2= . (2)若三角形的三边长为a、b、c,设p= ![]() ![]() |
7. 难度:中等 | |
(2013•贺州)函数![]() |
8. 难度:中等 | |
(2004•三明)函数![]() |
9. 难度:中等 | |
(2002•无锡)函数y=![]() ![]() |
10. 难度:中等 | |
(2002•山西)函数y=![]() |
11. 难度:中等 | |
(2002•宁夏)函数y=![]() |
12. 难度:中等 | |
(2012•黑龙江)函数y=![]() |
13. 难度:中等 | |
(2002•湖州)函数y=![]() |
14. 难度:中等 | |
(2002•河南)函数![]() |
15. 难度:中等 | |
(2002•广西)函数y=![]() |
16. 难度:中等 | |
(2011•黑龙江)函数y=![]() |
17. 难度:中等 | |
(2002•东城区)函数![]() |
18. 难度:中等 | |
(2002•崇文区)在函数y=![]() |
19. 难度:中等 | |
(2002•乌鲁木齐)2sin45°+(![]() ![]() |
20. 难度:中等 | |
(2006•烟台)计算:![]() ![]() ![]() |
21. 难度:中等 | |
(2002•四川)计算:2sin30°-![]() ![]() |
22. 难度:中等 | |
(2002•陕西)(1)计算2+2sin45°-![]() (2)化简 ![]() |
23. 难度:中等 | |
(2002•漳州)先化简,再求值:![]() ![]() |
24. 难度:中等 | |
(2002•十堰)已知:x=![]() ![]() ![]() ![]() |
25. 难度:中等 | |
(2002•泉州)先化简下面的代数式,再求值:(x+1)(x-1)-(x-1)2,其中x=![]() |
26. 难度:中等 | |
(2002•宁德)求值:![]() ![]() |