题目内容
脱式计算(能简算的要简算)。
|
| (1)原式= = = |
(2)原式= = = |
| (3)原式=(72%+0.28)× = |
(4)原式= 4.15-0.375-0.625 = 4.15-(0.375+0.625) =3.15 |
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题目内容
脱式计算(能简算的要简算)。
|
| (1)原式= = = |
(2)原式= = = |
| (3)原式=(72%+0.28)× = |
(4)原式= 4.15-0.375-0.625 = 4.15-(0.375+0.625) =3.15 |