Question

sendo A =-10, B =-6 e C = +12 calcule
a)A - B
b)A - C
c)B - C - A
d)A+ C - B

Answer 1

a) A - B= -10 - (-6) = -4

b) A - C = -10 - 12 = -22

c) -6 -12 +10= -8

d) -10 + 12 +6 = 8