27 : 3 × 4 : 6 × 2 = 9 × 4 : 6 × 2 = 36 : 6 × 2 = 6 × 2 = 12
38 - 9 x 4 = 38 - 36 = 2
24 + 24 : 3 = 24 + 8 = 32
18 : 2 + 16 : 4 x 5 = 9 + 4 × 5 = 9 + 20 = 29
15 + (36 - 17) = 15 + 19 = 34
28 - 4 × (12 - 5 × 2) = 28 - 4 × (12 - 10) = 28 - 4 × 2 = 28 - 8 = 20
76 - 28 : 4 × (5 - 1) = 76 - 28 : 4 × 4 = 76 - 7 × 4 = 76 - 28 = 48
5 + 5 × 3 × (2 - 7 : 7) = 5 + 5 × 3 × (2 - 1)=5 + 5 × 3 ×1 = 5 + 15 = 20