6÷ = | + = | ×8= | - = | × = |
÷ = | + = | ÷ = | 14× = | 1÷60%= |
6÷ =8, | + = , | ×8=6, | - = , | × = , |
÷ = , | + = , | ÷ =2, | 14× =6, | 1÷60%= . |
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(0除外)等于乘这个数的倒数;
异分母分数相加减,先通分化成同分母的分数再计算.
点评:本题考查了简单的分数计算,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 08:56:04分类:小学数学题库
6÷ = | + = | ×8= | - = | × = |
÷ = | + = | ÷ = | 14× = | 1÷60%= |
6÷ =8, | + = , | ×8=6, | - = , | × = , |
÷ = , | + = , | ÷ =2, | 14× =6, | 1÷60%= . |