1÷ = | ÷3= | 1÷ = | 0÷ = | 12÷ = |
= | = | = | +0.7= | ÷4= |
= | 13÷ ×0= | 1÷ = |
1÷ = , | ÷3= , | 1÷ = , | 0÷ =0, | 12÷ =16, |
= , | = , | = , | +0.7=0.9, | ÷4= , |
= , | 13÷ ×0=0, | 1÷ =1. |
分析: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.
点评:本题考查了分数乘除法的计算方法,计算时要细心,把结果化成最简分数.
编辑:chaxungu时间:2026-04-27 10:10:54分类:小学数学题库
1÷ = | ÷3= | 1÷ = | 0÷ = | 12÷ = |
= | = | = | +0.7= | ÷4= |
= | 13÷ ×0= | 1÷ = |
1÷ = , | ÷3= , | 1÷ = , | 0÷ =0, | 12÷ =16, |
= , | = , | = , | +0.7=0.9, | ÷4= , |
= , | 13÷ ×0=0, | 1÷ =1. |