Sagot :

Bonjour

a. 2/3 : 5

= 2/3 x 1/5

= 2/15

b. - 5/7 : (- 4)

= - 5/7 x - 1/4

= 5/28

c. 5/6 : 7/- 11

= 5/6 x - 11/7

= - 55/42

d. 8 : 1/8

= 8 x 8/1

= 64.