题目内容
计算下面各题,能简算的要简算。
|
| (1)原式=2-( =2-1 =1 |
(2)原式= = |
(3)原式= = |
| (4)原式= =3 |
(5)原式= =1+4 =5 |
(6)原式=5-( =5-1 = 4 |
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题目内容
计算下面各题,能简算的要简算。
|
| (1)原式=2-( =2-1 =1 |
(2)原式= = |
(3)原式= = |
| (4)原式= =3 |
(5)原式= =1+4 =5 |
(6)原式=5-( =5-1 = 4 |