Question

me ayudannnnnnn porfaaa​

Answer 1

Respuesta:

1) 31-45-12+17-28+41-36=

(31+17+41) - ( 45+12+28+36)=

+ 89 - 121 =

-32

2) -9+5-8+10-3=

(5+10) - (9+8+3)=

+15- 20 =

-5

3) 8-7+10-6+3-11=

(8+10+3)- (7+6+11=

+ 21 - 24=

17

4) - 1+9+4+13-17-20+2=

(9+4+13+2) - (1+17+20)=

+ 28 - 38 =

-10

5) 15-23+11-34+19-34-27 =

( 15+11+19) - ( 23+34+34+27) =

+ 45 - 118 =

-73

6) -43-15+72-39-57+46 =

(72+46) - ( 43+ 15+39+57=

+118 - 154 =

-36