Question

помогите решить(цепочкой)
14+(-25)+(-4)+(15)
и
-7/12+(1/8)+(-5/12)+(3/4)

Answer 1

14-25-4+15=-11-4+15=-15+15=0

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

Answer 2

14+(-25)+(-4)+(15)=14+15+(-4)+(-25)=29-29=0
и
-7/12+(1/8)+(-5/12)+(3/4)=-7/12+(-5/12)+1/8+3/4=-12/12+1/8+6/8=-1+7/8=-8/8+7/8=-1/8

Answer 3

Не верно))

Answer 4

-1+7/8=-1/8 пропустила минус.

Answer 5

Оба примера не верны