Réponse :
Explications étape par étape
Bonsoir
Calcule les fractions :
(2/9)/(-5/3)
= 2/9 x (-3/5)
= -3/9 x 2/5
= -1/3 x 2/5
= -2/15
(3/5)/(1/5)
= 3/5 x 5
= 5/5 x 3
= 3
(-1/4)/3
= (-1/4) x 1/3
= -1/12
(22/7)/(-11)
= 22/7 x (-1/11)
= 22/11 x -1/7
= 2 x -1/7
= -2/7
