7.2*4.5*9.3/1.8*(1.5*3.1)简算
问题描述:
7.2*4.5*9.3/1.8*(1.5*3.1)简算
答
7.2*4.5*9.3/[1.8*(1.5*3.1)]
=(7.2/1.8)*(4.5/1.5)*(9.3/3.1)
=4*3*3
=36