Реши уравнения, подбирая значения x.

1. x * 7 = 42 -> x = 42 / 7 = 6 2. 36 / x = 4 -> x = 36 / 4 = 9 3. 9 * x = 45 -> x = 45 / 9 = 5 4. x / 6 = 6 -> x = 6 * 6 = 36