1) (27 - 19) + x = 618 + x = 61x = 61 - 8x = 53
2) x × 9 = 54x = 54 ÷ 9x = 6
3) 36 ÷ a = 9a = 36 ÷ 9a = 4
Ответ: x = 53, x = 6, a = 4.
1) (27 - 19) + x = 61
8 + x = 61
x = 61 - 8
x = 53
2) x × 9 = 54
x = 54 ÷ 9
x = 6
3) 36 ÷ a = 9
a = 36 ÷ 9
a = 4
Ответ: x = 53, x = 6, a = 4.