1) 60 : 3 = 20
2) 10 ⋅ 4 = 40
3) 100 : 5 = 20
4) 30 ⋅ 3 = 90
5) 2 ⋅ 40 = 80
6) 6 ⋅ 10 = 60
7) 80 : 8 = 10
8) 5 ⋅ 20 = 100
Ответ: 20; 40; 20; 90; 80; 60; 10; 100