Question

a)-6-(2-7+1-5)+1=

b)-(+4-6)+(2-3)=

c)7+(-5-6)-(-9+3)=

d)(2-7)-(8-13)=

me ajudem pfv​

Answer 1

Resposta:

a)-6-(2-7+1-5)+1

-6+5-4+1

-1-4+1

-4

b)-(+4-6)+(2-3)

2-1

1

c)7+(-5-6)-(-9+3)

7-11-6

-4-6

-10

d)(2-7)-(8-13)=

-5+5

0

espero ter ajudado bjss