题目内容
脱式计算,能简算的要简算.
| 3+15.7×0.58 | 152.81÷3.7-12 | 50.4×4.9-0. |
解;(1)3+15.7×0.58,
=3+9.106,
=12.106;
(2)152.81÷3.7-12,
=41.3-12,
=29.3.
=3+9.106,
=12.106;
(2)152.81÷3.7-12,
=41.3-12,
=29.3.
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