Question

1) Resolva as adições e subtrações:
) + 7 + 6 =
) − 8 − 7 =
) 10 − 2 =
) 7 − 13 =
) − 1 − 0 =
) + 16 − 20 =
) (+5) + (−8) =
ℎ) (−2) − (−3) =
) (−3) − (−9) =


2) Calcule as multiplicações e divisões:
) (+25). (−10)
) (−36). (− 6)
)(−12). (+8)
)(+265): (−5)
) (+824): (+4)
) (−180): (−12)

Answer 1

Resposta:

1)+7 + 6 =13

) − 8 − 7 =-15

) 10 − 2 =8

) 7 − 13 = -6

) − 1 − 0 = -1

) + 16 − 20 =-4

) (+5) + (−8) = -3

ℎ) (−2) − (−3) =+1

) (−3) − (−9) =+6