Question

помогите пж 15 баллов​

Answer 1

Ответ:

1.-100

2.-50

3.-25

4.-1 3/16

Answer 2

1) -72,35+(-27,65)=-72,35-27,65=-100
2) -27 13/18 + (-22 5/18)=-27 13/8 - 22 5/18= - (27 13/18 + 22 5/18= - ((27+22)+(13/18+ 5/18)= -(49+(13/18+5/18))= -(49+1)=-50
3)-22,625+(-2 3/8)=-181/8+(- 2 3/8)= -181/8 - 19/8=-25
4)-0,9375+(- 1/4)=-19/16=- 1 3/16