svp exercice 51 on doit complet c chaque egaliter

bonjour

a) 7.5 = 75/10 = 5 x 15 sur 5 x 2 = 15/2

b) 3.8 = 38/10 = 2 x 19 sur 2 x 5 = 19/5

c) 1.24 = 124/100 = 4 x 31 sur  4 x 25 = 31/25

d) 14.75 = 1475/100 = 25 x 59 sur 25 x 4 = 59/4

Bonjour;

a. 7,5 = 75/10 = 5 x 15 / 5 x 2 = 15/2

b. 3,8 = 38/10 = 2 x 16 / 2 x 5 = 16/5

c. 1,24  = 124/100 = 4 x 31 / 4 x 25 = 31/25

d. 14,75 = 1475/100 = 25 x 59 / 25 x 4 = 59/4