52. Вычисли: 32 : 8 ⋅ 16, 14 : 7 : 98, 18 : 4 : 6, 63 : 9 : 12.

Решение:

1. 32 : 8 ⋅ 16

\( (32 \div 8) \times 16 = 4 \times 16 = 64 \)

2. 14 : 7 : 98

\( (14 \div 7) \div 98 = 2 \div 98 = \frac{2}{98} = \frac{1}{49} \approx 0.02 \)

3. 18 : 4 : 6

\( (18 \div 4) \div 6 = 4.5 \div 6 = \frac{4.5}{6} = \frac{45}{60} = \frac{3}{4} = 0.75 \)

4. 63 : 9 : 12

\( (63 \div 9) \div 12 = 7 \div 12 = \frac{7}{12} \approx 0.58 \)

Ответ: 64; 1/49; 3/4; 7/12.