Question

Ayudenme por fa doy 64 puntos por fa

Answer 1

no hice las que tenian variables

a) 7-(-4-(-2+3)-(-5))-(-1)

7-(-4-1+5)-(-1)

7-(-1)=8

b) 4+(-2-(-5-(-3+2)-(-3))-1)

4+(-2-(-5-(-1)+3)-1

4+(-2-(-5+1+3)-1)

4+(-2-(-5+4)-1)

4+(-2-(-1)-1)

4-2=2

c)-(-4+3)-(-9-(-3+(-4))-(-3)))-1

1-(-9-(-3-4)+3)-1

-(-9-(-7)+3)

-(-9+7+3)

-9+10=1=-(1)=-1

f)(-(-2)-(-2+5)-4)-(-3-5)-2

(+2-(+3)-4)-(-8)-2

-(+3)-4)+8

-3-4+8

-7+8=1

g)-(-1-1)-(-1)-(-1)

-(-2)+1+1

+2+1+1=4

h) -(-(-(-2)))

(-(-(+2))

(-(-2))=+2

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3.4

a)(+12)-(-3)+(-1)-(-2)+(-12)

+12+3-1+2-12

+3-1+2

+5-1=4

b)(-8)+(-5)-(-8)-(-5)

-8-5+8+5=0

c)(-3)-(-4)+(-3)+(-5)+(-

-3+4-3-5-7

1-15=-14

d)(+48)-(+12)-(-26)+(-4)-(-15)

+48-12+26-4+15

+36+26-4+15

+58+15=+73

e)(-17)+(-15)+(-13)-(-7)-(+10)

-17-15-13+7-10

-32-13+7-10

-45+7-10

-38-10=-48.