| 脱式计算. | ||||
|
| (1)77×25÷11 =1925÷11 =175 | (2)42×(540÷18) =42×30 =1260 |
| (3)280+280÷14 =280+20 =300 | (4)1000-1000÷50 =1000-20 =980 |
编辑:chaxungu时间:2026-04-27 13:23:20分类:小学数学题库
| 脱式计算. | ||||
|
| (1)77×25÷11 =1925÷11 =175 | (2)42×(540÷18) =42×30 =1260 |
| (3)280+280÷14 =280+20 =300 | (4)1000-1000÷50 =1000-20 =980 |