(3.4*4.8*9.5)/(1.9*1.7*2.4)如何简便计算?
问题描述:
(3.4*4.8*9.5)/(1.9*1.7*2.4)如何简便计算?
答
(3.4*4.8*9.5)/(1.9*1.7*2.4)
=3.4/1.7*4.8/2.4*9.5/1.9
=2*2*5
=20