Question

1)calcule=
a)45-35-25-15=
b)-35+15-25+5=
c)-5+25-35+15=
d)5-35+15-45=
2)calcule=
a)(+6)-(-3)=
b)(+4)-(-9)=
c)(+10)-(+3)=
d)(+8)-(+9)=

preciso urgente​

Answer 1

Resposta:

A) -30

D) -60

2.

A) 9

B) -9

C) 7

d) -1