10 + 18 × 0 + 0 - 5 × 0 + 16 =
10 + 0 + 0 - 0 + 16 =
10 + 16 = 26
612 : 8 : 2 + 425 : 5 - 630 : 9 =
76, 5 : 2 + 85 - 70 =
38, 25 + 85 - 70 =
123, 25 - 70 = 53, 25
