Question

Suprimir los paréntesis y luego resolver :
a) 12-(-4+25-6)+(-6+7-15)+2=
b) -2+(-8+6-5)-(6+15)-(-3-5)=
c) -(-12-8+9-(6+12-7)-9+14-3)=
d) -7+(-5-(-7+11+9)-4+3)-2+4=
porfiss ayuda!​

Answer 1

Respuesta:

12-(-4+25-6)+(-6+7-15)+2=

12-(15) +(-14)+2=

12-15-14+2=

-15

-2+(-8+6-5)-(6+15)-(-3-5)=

-2+(-7)-(21)-(-8)

-2-7-21+8=

-22

-(-12-8+9-(6+12-7)-9+14-3)=

-(-12-8+9-11-9+14-3)=

-(-20)

20

-7+(-5-(-7+11+9)-4+3)-2+4

-7+(-5-(13)-4+3)-2+4=

-7+(-5-13-4+3)-2+4=

-7+(-19)-2+4=

-7-19-2+4=

-24