Решаем примеры:
1. $$34 : 17 = 2$$
2. $$75 : 15 = 5$$
3. $$90 : 15 = 6$$
4. $$21 \times 4 = 84$$
5. $$23 \times 3 = 69$$
6. $$4 \times 24 = 96$$
7. $$45 \times 2 : 9 = 90 : 9 = 10$$
8. $$57 : 3 \times 4 = 19 \times 4 = 76$$
9. $$24 \times 3 : 6 = 72 : 6 = 12$$
Ответы:
$$34 : 17 = \textbf{2}$$
$$75 : 15 = \textbf{5}$$
$$90 : 15 = \textbf{6}$$
$$21 \times 4 = \textbf{84}$$
$$23 \times 3 = \textbf{69}$$
$$4 \times 24 = \textbf{96}$$
$$45 \times 2 : 9 = \textbf{10}$$
$$57 : 3 \times 4 = \textbf{76}$$
$$24 \times 3 : 6 = \textbf{12}$$