| 1.65-0.6= | 7.1+0.9= | 0÷125= | 23= |
= | 1- = | 4×0.25= | 53= |
解:
| 1.65-0.6=1.05, | 7.1+0.9=8, | 0÷125=0, | 23=8, |
= , | 1- = , | 4×0.25=1, | 53=125. |
分析:根据小数和分数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.
编辑:chaxungu时间:2026-04-27 09:31:52分类:小学数学题库
| 1.65-0.6= | 7.1+0.9= | 0÷125= | 23= |
= | 1- = | 4×0.25= | 53= |
解:
| 1.65-0.6=1.05, | 7.1+0.9=8, | 0÷125=0, | 23=8, |
= , | 1- = , | 4×0.25=1, | 53=125. |