(18+42)/(72/6)怎么简便算
问题描述:
(18+42)/(72/6)怎么简便算
答
这个不用简便算吧
=60*12
=720
答
(18+42)÷(72/6)
=(18+42)×(6/72)
=18×6/72+42×6/72
=1.5+3.5
=5