Реши примеры. 15.3, 76:4, 152:8, 90:18, 12.8, 25.3, 51:17, 18.3, 72:12, 56:4, 90:15, 76:4, 13.2, 81:3, 64:2, 5.13, 12.5, 30:2, 72:6, 6.15, 19.5, 16.8, 48:3, 85:5, 98:14, 51:3, 64:4, 19.5, 72:6, 91:13

Решение:

Первый столбец:

1. \( 15 \cdot 3 = 45 \)
2. \( 51 : 17 = 3 \)
3. \( 13 \cdot 2 = 26 \)
4. \( 72 : 6 = 12 \)
5. \( 98 : 14 = 7 \)

Второй столбец:

1. \( 76 : 4 = 19 \)
2. \( 18 \cdot 3 = 54 \)
3. \( 81 : 3 = 27 \)
4. \( 6 \cdot 15 = 90 \)
5. \( 51 : 3 = 17 \)

Третий столбец:

1. \( 152 : 8 = 19 \)
2. \( 72 : 12 = 6 \)
3. \( 64 : 2 = 32 \)
4. \( 19 \cdot 5 = 95 \)
5. \( 64 : 4 = 16 \)

Четвертый столбец:

1. \( 90 : 18 = 5 \)
2. \( 56 : 4 = 14 \)
3. \( 5 \cdot 13 = 65 \)
4. \( 16 \cdot 8 = 128 \)
5. \( 19 \cdot 5 = 95 \)

Пятый столбец:

1. \( 12 \cdot 8 = 96 \)
2. \( 90 : 15 = 6 \)
3. \( 12 \cdot 5 = 60 \)
4. \( 48 : 3 = 16 \)
5. \( 72 : 6 = 12 \)

Шестой столбец:

1. \( 25 \cdot 3 = 75 \)
2. \( 76 : 4 = 19 \)
3. \( 30 : 2 = 15 \)
4. \( 85 : 5 = 17 \)
5. \( 91 : 13 = 7 \)

Ответ: 45, 3, 26, 12, 7; 19, 54, 27, 90, 17; 19, 6, 32, 95, 16; 5, 14, 65, 128, 95; 96, 6, 60, 16, 12; 75, 19, 15, 17, 7.