口算: ×15= | ×2= | × = | × = | × = | 1× = |
× = | ×34= | × = | × = | × = | × = |
×15= , | ×2= , | × = , | × = , | × = , | 1× = , |
× = , | ×34=8, | × = , | × = , | × = , | × =1. |
分析:根据分数乘法的计算法则:分子相乘的积做分子,分母相乘的积做分母进行求解.
点评:本题考查了分数乘法的计算方法,注意把结果化成最简分数.
编辑:chaxungu时间:2026-04-27 08:40:23分类:小学数学题库
口算: ×15= | ×2= | × = | × = | × = | 1× = |
× = | ×34= | × = | × = | × = | × = |
×15= , | ×2= , | × = , | × = , | × = , | 1× = , |
× = , | ×34=8, | × = , | × = , | × = , | × =1. |