Question

(3/4-5/6)•3 + (3/4+5/6) • 4

Answer 1

Задание (3/4-5/6)•3 + (3/4+5/6) • 4=
(9-10/12)*3 + (9+10/12)*4 =
-1/12 *3 + 19/12 *4 =
-1/4 + 19/3 = -3+76/12 = 73/12 = 6 1/12