五分之六加上二除以三分之一的简便算法是什么

更新时间2021-03-12 07:49:43

一、 6/5+2÷1/3 =6/5+2×3 =6/5+6 =7又1/5 或二、 (6/5+2)÷1/3 =16/5×3 =48/5 =9又3/5 以上均是按常规方法计算。

（6/5+2）÷1/3

=（6/5+2）×3

=6/5×3+2×3

=18/5+6

=3又3/5+6

=9又3/5

(6/5+2)÷2/3

=6/5×3/2+2×3/2

=9/5+3

=1+4/5+3

=4又4/5

6/5+2÷1/3=1.2+6=7.2

没有简便算法，直接算吧