9÷13+13÷9+11÷13+14÷9+6÷13简便算发求简便算发

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=5

=26/13+27/9
=2+3
=5

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