9÷13+13÷9+11÷13+14÷9+6÷13简便算发
问题描述:
9÷13+13÷9+11÷13+14÷9+6÷13简便算发
求简便算发
答
9÷13+13÷9+11÷13+14÷9+6÷13
=(9+11+6)÷13+(13+14)÷9
=26÷13+27÷9
=2+3
=5