问题
计算题
脱式计算。
|
答案
(1)(78+52)×(120÷60) | |
=130×2 | |
=260 | |
(2)(128-72)×12÷48 | |
=56×12÷48 | |
=672÷48 | |
=14 | |
(3)80-(16.405+14.9) | |
=80-31.305 | |
= 48.695 | (4)68.7-(44.6+0.375) |
=68.7- 49.975 |
=23.725
(5) 150×40×25×2
=300×1000
=300000
=75+800
=875