= | 5×0.6÷0.6×5= | = |
= | = | = |
解: = , | 5×0.6÷0.6×5=25, | = , |
= , | =8.4, | = . |
分析:百分数先化成分数再计算;
5×0.6÷0.6×5按照从左到右的顺序计算;
运用乘法分配律简算;
先算乘法,再算加法.点评:口算题目要求快速准确,能运用简算方法的要简算.
编辑:chaxungu时间:2026-04-27 10:54:04分类:小学数学题库
= | 5×0.6÷0.6×5= | = |
= | = | = |
解: = , | 5×0.6÷0.6×5=25, | = , |
= , | =8.4, | = . |
运用乘法分配律简算;
先算乘法,再算加法.