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

9÷13+13÷9+11÷13+14÷9+6÷13
=(9+11+6)÷13+(13+14)÷9
=26÷13+27÷9
=2+3
=5