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