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