Question

Сравни уравнения в столбиках.

Answer 1

1.х+19=38

х=19

2.х+60=65

х=5

3.19+х=59

х=40

Answer 2

x + (25 - 6) = 38

x = 38 - (25 - 6)

x = 19

x + (24 + 36) = 65

x = 65 - (24 + 36)

x = 5

(40 - 21) + x = 59

x = 59 - (40 - 21)

x = 40