1- = | = | = | = | = |
| 0.48÷120= | 1.01×99= | 7-6.38= | 0.22×0.5= | 3.2+1.78= |
1- = , | = , | =1, | = , | = , |
| 0.48÷120=0.004, | 1.01×99=99.99, | 7-6.38=0.62, | 0.22×0.5=0.11, | 3.2+1.78=4.98. |
分析:根据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 08:35:12分类:小学数学题库
1- = | = | = | = | = |
| 0.48÷120= | 1.01×99= | 7-6.38= | 0.22×0.5= | 3.2+1.78= |
1- = , | = , | =1, | = , | = , |
| 0.48÷120=0.004, | 1.01×99=99.99, | 7-6.38=0.62, | 0.22×0.5=0.11, | 3.2+1.78=4.98. |