5.84*1.36+1.36*3.16+1.36 简算(15*5/9)/5 也是简算

问题描述:

5.84*1.36+1.36*3.16+1.36 简算
(15*5/9)/5 也是简算

乘法分配律的逆运算

5.84*1.36+1.36*3.16+1.36
=1.36*(5.84+3.16+1)
=1.36*10
=13.6
(15*5/9)/5
=(15/5)*(5/9÷5)
=3*1/9
=1/3