Question

Determine o valor de cada soma algébrica.
A ) 6+(-9+1)
B ) 8-( -6+10 )
C ) -10+(6-4)
D ) 2+(2+5-7)
E ) -5+(2-4) -(7-1)
F ) (-5+3)-(5-9)+(8-1)-11

Answer 1

a) 6+(-8) = 6-8= -2
b) 8-(4)= 8-4= 4
c)-10+(2) = -10+2 = -8
d) 2+(0) = 2
e)-5+(2-4)-(7-1)= -5+(-2)-(6)= -5-2-6= -13
f) -2-(-4)+(7)-11 = -2+4+7-11= -2