分数混合运算求简便算法
发布网友
发布时间：2022-05-05 10:00
共1个回答
热心网友
时间：2022-06-27 08:02
=5/9×9/5+5/9×18
=1+10
=11
5/9X5/6+4/9÷6/5
= 5/9×5/6+4/9×5/6
=（5/9+4/9）×5/6
=1×5/6
=5/6
13/14-15/28÷5/8
=13/14-6/7
=1/14
4÷4/5-4/5÷4
=5-1/5
=4又4/5
(5/6-3/4)÷3/8
=1/12×8/3
=2/9
7/11÷[2/5-(1-7/10)]
=7/11÷[2/5-3/10)]
=7/11÷1/10
=70/11
