Sagot :
Bonjour
2/9 : - 5/3 = 2/9 x - 3/5 = - 6/45 = (3 x - 2) / (3 x 15) = - 2/15
3/5 : 1/5 = 3/5 x 5 = 15/5 = 3
- 1/4 : 3 = - 1/4 x 1/3 = - 1/12
22/7 : -11 = 22/7 x - 1/11 = - 22/77 = (11 x - 2) / (11 x 7) = - 2/7.
Bonjour
2/9 : - 5/3 = 2/9 x - 3/5 = - 6/45 = (3 x - 2) / (3 x 15) = - 2/15
3/5 : 1/5 = 3/5 x 5 = 15/5 = 3
- 1/4 : 3 = - 1/4 x 1/3 = - 1/12
22/7 : -11 = 22/7 x - 1/11 = - 22/77 = (11 x - 2) / (11 x 7) = - 2/7.