8÷ = | 1-60%= | ×0.9= | × = | × = |
÷ = | × = | ×1.8= | 1.5× = | ÷ = |
解:8÷ =64, | 1-60%=0.4, | ×0.9=0.3, | × = , | × = , |
÷ = , | × = , | ×1.8=1, | 1.5× =0.6, | ÷ = . |
分析:利用分数乘法(分子相乘的积做分子,分母相乘的积做分母;)分数除法(除以一个数等于乘这个数的倒数;)计算法则直接计算即可.
点评:本题考查了基本的分数乘除法的计算,计算时要细心,注意把结果化成最简分数.
编辑:chaxungu时间:2026-04-27 11:02:57分类:小学数学题库
8÷ = | 1-60%= | ×0.9= | × = | × = |
÷ = | × = | ×1.8= | 1.5× = | ÷ = |
解:8÷ =64, | 1-60%=0.4, | ×0.9=0.3, | × = , | × = , |
÷ = , | × = , | ×1.8=1, | 1.5× =0.6, | ÷ = . |
上一篇:8除以2减1.6的差.商是多少?X的比39多21.求X.
下一篇:返回列表