Sagot :
Bonsoir,
A=140 =140/5 = 28
135 135/5 27
B=190 = 190/5 = 38 = 38
315 315/5 63 63
A=140 =140/5 = 28
135 135/5 27
B=190 = 190/5 = 38 = 38
315 315/5 63 63
Bonjour !
A = 140/135
A = (28*5) / (27/5)
A = 28/27
B = 190/315
B = (38*5) / (63*5)
B = 38/63
J'espère t'avoir aidé. Bon courage !