直接写出得数.
= | 15 = | = | = |
| 0.33= | = | = | = |
1- = | = | = | = |
解:
= , | 15 =21, | = , | = , |
| 0.33=0.027, | = , | =24, | = , |
1- = , | = , | = , | = . |
分析:分数乘法运算直接约分求解;分数除法根据除以一个数等于乘这个数的倒数计算;0.33=0.3×0.3×0.3,由此求解.
点评:本题主要考查了基本的分数乘除法计算,注意把结果化成最简分数.
编辑:chaxungu时间:2026-04-27 11:13:40分类:小学数学题库
直接写出得数.
= | 15 = | = | = |
| 0.33= | = | = | = |
1- = | = | = | = |
解:
= , | 15 =21, | = , | = , |
| 0.33=0.027, | = , | =24, | = , |
1- = , | = , | = , | = . |
下一篇:= =0.75= ÷4= %