909:9-(520-520)*13:6

Question

909:9-(520-520)*13:6

Answer 1

909:9-(520-520)*13:6
1)
909:9=11
2)
520-520=0
3)11-0=11
4) 11*13=113
5)113:6=18

Answer 2

520-520= 0
909÷9=101
13*0=0
101/6=17,1666667