Question

УПРОСТИТЕ
2/3(1,8-1 1/4a)-2 1/3(1,2-5/14a)

Answer 1

2/3(1,8-1 1/4а)-2 1/3(1,2-5/14а)=1,2-5/6а-2,8+5/6а=1,2-2,8=-1,6

Answer 2

2) 1/3 (1,2-5/14а)=-1,6
Ответ:-1,6