题目内容
混合运算
3.14×42+27.3×
| 18.84×100-12.5×32. |
(1)3.14×42+27.3×
| 1 |
| 3 |
=3.14×16+27.3×
| 1 |
| 3 |
=50.24+9.1,
=59.34;
(2)18.84×100-12.5×32,
=18.84×100-12.5×9,
=1884-112.5,
=1771.5.
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题目内容
3.14×42+27.3×
| 18.84×100-12.5×32. |
| 1 |
| 3 |
| 1 |
| 3 |