bonjoure j'aurais encore besoin d'aide merci bcp a la personne qui m'aidera​

Réponse:

1-(-5) = 1+5 = 6

-3-(-19) = -3+19 = 16

-14+(+12) = -14+12 = (-2)

-12-(-17) = - 12+17 = 5

15-(-14) = 15+14 = 29

-15+(+2) = -15+2 = -13

15-(+3) = 15-3 = 12

1+(-4) = 1-4 = (-3)

-3+(-5) = - 3-5 = - 8