| 计算下面各题,怎样简便就怎样算。 | ||||||
|
| (1)47+133+253+67 =47+253+(133+67) =500 | (2)390÷6÷5 =390÷30 =13 | (3)(45+32)×8÷22 =77×8÷22 =28 |
| (4)75×99 =7500-75 =7425 | (5)108+63+37-8 =108-8+(63+37) =200 | (6)33×77+7×77 =77×40 =3080 |
编辑:chaxungu时间:2026-04-27 13:19:06分类:小学数学题库
| 计算下面各题,怎样简便就怎样算。 | ||||||
|
| (1)47+133+253+67 =47+253+(133+67) =500 | (2)390÷6÷5 =390÷30 =13 | (3)(45+32)×8÷22 =77×8÷22 =28 |
| (4)75×99 =7500-75 =7425 | (5)108+63+37-8 =108-8+(63+37) =200 | (6)33×77+7×77 =77×40 =3080 |