7× = | ÷6= | ÷ = | ÷ = |
÷ = | ×0.15= | ÷ = | 4×60%= |
解:
7× = , | ÷6= , | ÷ = , | ÷ =1, |
÷ = , | ×0.15=0.05, | ÷ = , | 4×60%=2.4. |
分析:分数乘法根据分子的积作为分子,分母的积作为分母来计算;分数的除法根据除以一个数等于乘这个数的倒数来计算.
点评:本题考查了简单的分数乘除法,按照运算法则计算计算,要注意把结果化成最简分数.
编辑:chaxungu时间:2026-04-27 10:43:12分类:小学数学题库
7× = | ÷6= | ÷ = | ÷ = |
÷ = | ×0.15= | ÷ = | 4×60%= |
解:
7× = , | ÷6= , | ÷ = , | ÷ =1, |
÷ = , | ×0.15=0.05, | ÷ = , | 4×60%=2.4. |