Question

Calcule:
a)(-4)-(2)+(--6)+(8)-(-17)+(+12)-(+5)+(+12)-(+2)=
b)(-7)-(-5)+(-8)+(50)-(-35)-(+40)+(-34)+(+1)+(-2)=
c)(+7)-(-6)-(-8)+(-21)=
d)(-8)+(-6)-(+3)+(+17)=

Answer 1

Resposta:

a)34

b)68

c)0

d)-1

Explicação passo-a-passo:

a)(-4)-(2)+(-6)+(8)-(-17)+(+12)-(+5)+(+12)-(+2)=

   -4-2-6+8+17+12-5+12+2=

    -12+37-5+14=

     25-5+14=

      20+14=

         34,,

b)(-7)-(-5)+(-8)+(50)-(-35)-(+40)+(-34)+(+1)+(-2)=

   -7+5-8+50+35-40-34+1-2=

    -2+42+35-6+1-2=

     40+35-5-2=

      75-5-2=

       70-2=

         68,,

c)(+7)-(-6)-(-8)+(-21)=

   7+6+8-21=

    21-21=

        0,,

d)(-8)+(-6)-(+3)+(+17)=

    -8-6-3+17=

     -14-4+17=

       -18+17=

          -1,,

Espero ter ajudado!

Bons estudos :)

Answer 2

Resposta:

free points are really good, right?