Question

Calcule as somas algébricas:

A) -8 + 6 - 4 - 5 + 1 = ___
B) +12 - 15 + 32 - 5 - 3 = ___
C) -21 - 32 - 8 + 6 + 10 = ___
D) -1 - 2 + 7 - 15 - 20 = ___

Answer 1

A) -10
B) 21
C) -45
D) -31