题目内容
简便计算.(要写出简算过程)
(1)4.05-2.86-0.14(2)75×60%+24×
+06.
(1)4.05-2.86-0.14(2)75×60%+24×
| 3 |
| 5 |
(1)4.05-2.86-0.14,
=4.05-(2.86+0.14),
=4.05-3,
=1.05;
(2)75×60%+24×
+0 6,
=75×0.6+24×0.6+0.6,
=(75+24+1)×0.6,
=100×0.6,
=60.
=4.05-(2.86+0.14),
=4.05-3,
=1.05;
(2)75×60%+24×
| 3 |
| 5 |
=75×0.6+24×0.6+0.6,
=(75+24+1)×0.6,
=100×0.6,
=60.
练习册系列答案
相关题目