(3.09-7\12)除以(1.15+1\12)乘以10%等于多少?
问题描述:
(3.09-7\12)除以(1.15+1\12)乘以10%等于多少?
答
(3.09-7\12)除以(1.15+1\12)乘以10%
=(188/75)/(37/30)*10%
=376/185*10%
=188/925
=0.2032