Question

помогите сделать 1 номер

Answer 1

30•40
40•30
1200:40
1200:30




20•80
80•20
1600:20
1600:80

Answer 2

30×40=1200
40×30=1200
1200:30=40
1200:40=30

80×20=1600
20×80=1600
1600:20=80
1600:80=20