递等式计算:7/11*(1.2+2/3)*11/7
问题描述:
递等式计算:7/11*(1.2+2/3)*11/7
答
7/11*(1.2+2/3)*11/7
=(6/5+2/3)*7/11*11/7
=(18/15+10/15)*1
=28/15