Question

Упростить и раскрыть скобки (2-B)-(3-d)+(B-d)=

Answer 1

(2 - b) - (3 - d) + (b - d) = 2 - b - 3 + d + b - d = -1

Answer 2

(2-B)-(3-d)+(B-d)=2-B-3+d+B-d=2-3=-1.