题目内容
计算。
|
| (1)原式=20-1×1.2 =18.8 |
(2)原式= = = |
| (3)设20052006=a,20062005=b 原式=(a+1)b - a(b+1) =b - a =1000 |
| (4)原式= = =5 |
| (5)原式=2007× =1 |
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题目内容
计算。
|
| (1)原式=20-1×1.2 =18.8 |
(2)原式= = = |
| (3)设20052006=a,20062005=b 原式=(a+1)b - a(b+1) =b - a =1000 |
| (4)原式= = =5 |
| (5)原式=2007× =1 |