Вычислите (3/4-5/6)*3+(3/4+5/6)

Question

Вычислите
(3/4-5/6)*3+(3/4+5/6)

Answer 1

(3/4-5/6)·3+(3/4+5/6)=(3·3-5·2)/12·3+(3·3+5·2)/12=(9-10)/12·3+(9+10)/12=-1/4+19/12=
=-3/12+19/12=16/12=4/3=1 1/3
Ответ: 1 1/3