Réponse :
52) a. - 3/6/5 = - 3 x 5/6 = - 5/2
b. - 3/6/5 = - 3/6 x 5 = - 1/10
c. - 7/5/(6 + 1/5) = - 7/5/31/5 = - 7/31
53)
a. 2/9/- 5/3 = 2 x 3/-5 x 9 = - 2/15
b. 3/5/1/5 = 3 x 5/5 x 1 = 3/1
c. - 1/4/3 = - 1/4 x 3 = - 1/12
d. 22/7/- 11 = 22/7 x (-11) = - 2/7
Explications étape par étape