Sagot :

loulakar

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