Question

Calcule as seguintes subtrações:

a) (+10) − (+7) =

b) (+2) − (−8) =

c) (−5) − (−3) =

d) (−9) − (+4) =

e) (+1) − (+6) =​

Answer 1

A) (+10 )- (+7 ) = +17

B) (+2) -(- 8)= -6

C ) (-5 )-(-3) = -8

d ) (-9)-(+4) = - 5

e) (+1)-(+6)= +7