Question

-7/12+(+1/8)+(-5/12)+(+3/4)

Answer 1

- 7/12 + (+ 1/8) + ( - 5/12) + (+3/4) =
= (+1/8 + (+3/4) ) + ( (- 7/12) + (-5/12) ) =
= (1/8 + 3/4 ) + (- 12/12) =
= (1/8 + 6/8) + (- 1) =
= -1 + 7/8 =
= - ( 1 - 7/8) =
= - 1/8

Answer 2

Спосибо огромное вы мне так выручили оба

Answer 3

-7/12+(+1/8)+(-5/12)+(+3/4)= -7/12 + 1/8 - 5/12 + 3/4 = -14/24 + 3/24 - 10/24 + 18/24= -3/24 = -1/8