直接写出得数.
÷6= | 15÷ = | × = |
÷ = | 42× = | -60%= |
| 10-99%= | 40%× = |
解:
÷6= , | 15÷ =21, | × = , |
÷ = , | 42× =36, | -60%= , |
| 10-99%=0.01. |
分析:本题根据分数、百分数的乘法、除法、减法的运算法则计算即可.
点评:完成有关于分数乘除法的计算时,要注意约分.
编辑:chaxungu时间:2026-04-27 11:36:55分类:小学数学题库
直接写出得数.
÷6= | 15÷ = | × = |
÷ = | 42× = | -60%= |
| 10-99%= | 40%× = |
解:
÷6= , | 15÷ =21, | × = , |
÷ = , | 42× =36, | -60%= , |
| 10-99%=0.01. |