Question

1) Determine as diferenças:
a) (+15)-(-12) =
b) (-35)-(-18) =
c) (+17) - (+62) =
d) (42)-(+14) =​

Answer 1

Resposta:

a) (+15)-(-12) = 15 + 12 = 27

b) (-35)-(-18) = - 35 + 18 = - 17

c) (+17) - (+62) = 17 - 62 = - 45

d) (42)-(+14) =​ 42 - 14 = 28