| 直接写得数: 5.65×100= | + = | 125÷ = | 728-456= | ÷ = |
| 5-0.76= | 0÷ = | 0.1×0.07= |
| 解:5.65×100=565, | + = , | 125÷ =200, | 728-456=272, | ÷ = , |
| 5-0.76=4.24, | 0÷ =0, | 0.1×0.07=0.007. |
分析:根据小数、分数和整数的加减乘除的计算方法进行计算即可.
点评:口算时,注意运算符号和数据,然后再进一步计算即可,能简算的要简算.
编辑:chaxungu时间:2026-04-26 08:23:32分类:小学数学题库
| 直接写得数: 5.65×100= | + = | 125÷ = | 728-456= | ÷ = |
| 5-0.76= | 0÷ = | 0.1×0.07= |
| 解:5.65×100=565, | + = , | 125÷ =200, | 728-456=272, | ÷ = , |
| 5-0.76=4.24, | 0÷ =0, | 0.1×0.07=0.007. |