aidez moi s il vous plait ​

Bonjour,

15/(-20) = ((-5)×(-3))/((-5)×4) = (-5)/(-5) × (-3)/4 = 1 × (-3)/4 = -3/4

(-24)/(-21) = 24/21 = (3×8)/(3×7) = 3/3 × 8/7 = 1 × 8/7 = 8/7

Réponse :

bonjour

1

45/30=5/5×9/6=1×9/6 et 9/6 =3/3×3/2=1×3/2=3/2

2

15/-20=(-5)/(-5)×(-3)/4=-5/-5×-3/4=1×-3/4=-3/4

3

-24/-21=(-3)/(-3)×8/7=3/3×8/7=1×8/7=8/7

Explications étape par étape