Question

ME AJUDEM PFVR!!!!
Considerando a= -4, b= +3 e c= -2, calcule o valor de:
a) a+b
b) b+c
c) a+c
d) a+b+c
RESPONDAM PFVR É COLOQUEM A CONTA PFVR

Answer 1

Considerando a= -4, b= +3 e c= -2, calcule o valor de:
a) a+b
= -4+(3)
= - 1
_________
b) b+c
= +3+(-2)
= 1
__________
c) a+c
= - 4 + (-2)
= -4-2
= - 6
____________
d) a+b+c
= - 4 +(+3)+(-2)
= -4+3-2
= -6+3
= - 3