(0.6*1.38)/(13.8*4.8)简便计算
问题描述:
(0.6*1.38)/(13.8*4.8)简便计算
答
(0.6*1.38)/(13.8*4.8)
=0.6/4.8*1.38/13.8
=1/8*1/10
=1/80