24: 4 = 18: 6 × 2 = 1630 - 120 + 240 = 75630 - (120 + 240) = 27(14 + 6) ÷ 2 + 560 = 57200 + 4 × (2 + 3) = 220
24: 4 =
18: 6 × 2 = 1
630 - 120 + 240 = 75
630 - (120 + 240) = 27
(14 + 6) ÷ 2 + 560 = 57
200 + 4 × (2 + 3) = 220