| 324-198= | 8÷ = | 125%×8= | 0.625÷ = |
2- = | 0÷1%= | × ÷ × = | + × = |
| 324-198=126, | 8÷ =28, | 125%×8=10, | 0.625÷ =5, |
2- =1 , | 0÷1%=0, | × ÷ × = , | + × = . |
分析:324-198运用凑整法简算;
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先把除法变成乘法,再运用乘法交换律和结合律简算;其它题目根据运算法则直接求解.
点评:本题考查了简单的计算,计算时要细心,注意分数计算要把结果化成最简分数.
编辑:chaxungu时间:2026-04-27 09:50:35分类:小学数学题库
| 324-198= | 8÷ = | 125%×8= | 0.625÷ = |
2- = | 0÷1%= | × ÷ × = | + × = |
| 324-198=126, | 8÷ =28, | 125%×8=10, | 0.625÷ =5, |
2- =1 , | 0÷1%=0, | × ÷ × = , | + × = . |
×
÷
×
先把除法变成乘法,再运用乘法交换律和结合律简算;