题目内容
计算下面各题,能简算的要简算.
| 4.05÷0.9+3.25 | 3.67×10.1-3.67×0.1 | 99×0.73+0.73 | 15+6.7×3.5. |
(1)4.05÷0.9+3.25,
=4.5+3.25,
=7.75;
(2)3.67×10.1-3.67×0.1,
=3.67×(10.1-0.1),
=3.67×10,
=36.7;
(3)99×0.73+0.73,
=(99+1)×0.73,
=100×0.73,
=73;
(4)15+6.7×3.5,
=15+23.45,
=38.45.
=4.5+3.25,
=7.75;
(2)3.67×10.1-3.67×0.1,
=3.67×(10.1-0.1),
=3.67×10,
=36.7;
(3)99×0.73+0.73,
=(99+1)×0.73,
=100×0.73,
=73;
(4)15+6.7×3.5,
=15+23.45,
=38.45.
练习册系列答案
相关题目