| 410-210= | = | 72.8÷0.8= | = |
1.375- = | = | = | 5.2+0.54+0.46= |
| 410-210=200, | = , | 72.8÷0.8=91, | = , |
1.375- =0, | =1, | =8, | 5.2+0.54+0.46=6.2. |
分析:根据整数、分数和小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:2026-04-26 08:59:26分类:小学数学题库
| 410-210= | = | 72.8÷0.8= | = |
1.375- = | = | = | 5.2+0.54+0.46= |
| 410-210=200, | = , | 72.8÷0.8=91, | = , |
1.375- =0, | =1, | =8, | 5.2+0.54+0.46=6.2. |