Question

90:30
80:40
5•20-16
74-60:2
7•(42 -34)
(36 +36):9​

Answer 1

1) 90:30 = 3

2) 80:40 = 2

3) 5*20-16 = 100-16 = 84

4) 74-60:2 = 74-30 = 44

5) 7*(42-34) = 7*8 = 56

6) (36+36):9 = 72:9 = 8