× = | ÷14= | 26× = | ÷28= | 12× = |
× = | × = | ×24= | ÷ = | ÷ = |
× = , | ÷14= , | 26× =24, | ÷28= , | 12× =16, |
× =3, | × = , | ×24=16, | ÷ =6, | ÷ = . |
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:本题考查了简单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 10:01:04分类:小学数学题库
× = | ÷14= | 26× = | ÷28= | 12× = |
× = | × = | ×24= | ÷ = | ÷ = |
× = , | ÷14= , | 26× =24, | ÷28= , | 12× =16, |
× =3, | × = , | ×24=16, | ÷ =6, | ÷ = . |