Question

Найдите неизвестный член пропорций

Answer 1

1. x = (-7 * 24) / 8 = -21

2. x = (-9 * 10) / 5 = -18

3. x = (-6 * -5) / 1,2 = 25

4. x = (20 * -3.5) / 4 = -17.5