19.2除以2.4乘以3.2用简便算法

2024-11-19 04:24:01
推荐回答(1个)
回答1:

19.2/2.4*3.2
=19.2*(3.2/2.4)
=19.2*4/3
=(19.2/3)*4
=6.4*4
=25.6