Question

ПОМОГИТЕ ПЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖЖ ДАЮ 10 БАЛЛОВ​

Answer 1

No 2

а) 1.8 + a - 0.2 - a = 1.8 - 0.2 = 1.6

б) - a + b - b + a + 3 = 3

No 3

- 0.3 + x + 1.2 = - 3.8

x = - 3.8 + 0.3 - 1.2

x = - 4.7