1) Решим примеры.
1) $$10 \cdot 6 = 60$$
2) $$3 \cdot 10 = 30$$
3) $$60 : 3 = 20$$
$$2 \cdot 30 = 60$$
$$3 \cdot 30 = 90$$
$$100 : 2 = 50$$
$$30 \cdot 3 = 90$$
$$40 : 2 = 20$$
$$80 : 4 = 20$$
Ответ: 60; 30; 20; 60; 90; 50; 90; 20; 20.