1. 13-7=6
2. 14/7=2
3. 2*9=18
4. 6*6=36
5. 18+36=54
(13-7)=614:7=2 2*9=186*6=3618+36=5414/7*9+6*(13-7)=54
1. 13-7=6
2. 14/7=2
3. 2*9=18
4. 6*6=36
5. 18+36=54
(13-7)=6
14:7=2
2*9=18
6*6=36
18+36=54
14/7*9+6*(13-7)=54