3.05*0.9/3.05*0.9简便计算
问题描述:
3.05*0.9/3.05*0.9简便计算
答
3.05*0.9/3.05*0.9
=0.9*0.9
=0.81
3.05*0.9/3.05*0.9简便计算
3.05*0.9/3.05*0.9
=0.9*0.9
=0.81