7
1
2
4
8
31 + 8 : 225 + 2 × (10 – 5)31 – 25 + 15
32 + 9 × (19 – 16) = 32 + 9 × 3 = 32 + 27 = 59 27 : 3 × 4 = 9 × 4 = 36 2 × 9 – 18 : 3 = 16 – 6 = 10