69-54:3+6=45
69-(54:3+6)=45
(54:3+6)=18+6=24
69-24=45
69 -(54 : 3+ 6) = 45
1) 54 : 3 = 18
2) 18+ 6 = 24
3) 69- 24 = 45
69-54:3+6=45
69-(54:3+6)=45
(54:3+6)=18+6=24
69-24=45
69 -(54 : 3+ 6) = 45
1) 54 : 3 = 18
2) 18+ 6 = 24
3) 69- 24 = 45