计算:(0.12+0.22+0.32+0.42+0.52)/(0.13+0.23+0.33+0.43)=?
问题描述:
计算:(0.12+0.22+0.32+0.42+0.52)/(0.13+0.23+0.33+0.43)=?
答
(0.12+0.22+0.32+0.42+0.52)/(0.13+0.23+0.33+0.43)
=(1.6)/(1.12)
=10/7