Question

Stiind ca a=-2,b=3,c=-1,calculeaza:
a)a+b,a-c,-a+b
b))b+c-a,a-(b+c)
Dau coroana!

Answer 1

a)a+b=-2+3=1 a-c=-2-1=-3 -a+b=2+3=5

b)b+c-a=3+(-1)-2=0

a-(b+c)=-2-2=-4

Answer 2

1) a+b=-2+3=1

a-c=-2-3=-5

-a+b=-(-2)+3=5

b) b+c-a=3+(-1)-(-2)=3-1+2=4

a-(b+c)=-2-[-3+(-1)]=-2+4=2

Sper ca te-am ajutat :D