Sagot :
Bonjour
A = 45/18 x - 30/25
A = - 1 350/450
A = (450 x - 3) / (450 x 1)
A = - 3
B = 70/28 x - 16/- 80
B = 1 120/2 240
B = (1 120 x 1) / (1 120 x 2)
B = 1/2
C = - 21/- 55 x - 33/- 63
C = 693/3 465
C= (693 x 1) / (693 x 5)
C = 1/5.
Bonjour
A = 45/18 x - 30/25
A = - 1 350/450
A = (450 x - 3) / (450 x 1)
A = - 3
B = 70/28 x - 16/- 80
B = 1 120/2 240
B = (1 120 x 1) / (1 120 x 2)
B = 1/2
C = - 21/- 55 x - 33/- 63
C = 693/3 465
C= (693 x 1) / (693 x 5)
C = 1/5.