题目内容
用简便方法计算下面各题。
|
(1)原式=3.27+5.73+1.44 =9+1.44 =10.44 |
(2)原式=8.65-8.65+0.4+0.4 =0+0.4+0.4 =0.8 |
(3)原式=0.27+7.73+2.7-1.7 =8+1 =9 |
(4)原式= 4.33-(2.07+1.93) = 4.33-4 =0.33 |
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题目内容
用简便方法计算下面各题。
|
(1)原式=3.27+5.73+1.44 =9+1.44 =10.44 |
(2)原式=8.65-8.65+0.4+0.4 =0+0.4+0.4 =0.8 |
(3)原式=0.27+7.73+2.7-1.7 =8+1 =9 |
(4)原式= 4.33-(2.07+1.93) = 4.33-4 =0.33 |