直接写出得数.
= | = | = |
= | = | = |
= | = |
解:
=![]() | =5 | =![]() |
=0 | =![]() | =55 |
=![]() | =1. |
分析:分数乘1,等于这个分数;整数是被乘分数的分母,则先约分,等于被乘分数的分子;分数乘分数,首先,分子和分母有公约数的首先约分,然后约分后的分子分母相乘;0乘任何数等于0;互为倒数的两个分数相乘,等于1;即可得解.
点评:此题考查了简单的分数计算,直接口算即可得解.
编辑:chaxungu时间:2026-04-27 12:02:15分类:小学数学题库
直接写出得数.
= | = | = |
= | = | = |
= | = |
解:
=![]() | =5 | =![]() |
=0 | =![]() | =55 |
=![]() | =1. |