Répondre :
Bonjour,
3/10 = 3/10 * 7/7 =21/70
25/100 = 13/52
(52/13= 4
100/25 = 4)
225/1000 = 18/80
( 225/18 =12,5
1000/80= 12,5)
23/10 = 23/ 10 * 3/3 =69/30
23/10 =10/100 = (10*1,1) /(100*1,1) = 11/110
Bonjour,
3/10 = 3/10 * 7/7 =21/70
25/100 = 13/52
(52/13= 4
100/25 = 4)
225/1000 = 18/80
( 225/18 =12,5
1000/80= 12,5)
23/10 = 23/ 10 * 3/3 =69/30
23/10 =10/100 = (10*1,1) /(100*1,1) = 11/110