Sagot :
Réponse :
bonjour
Explications étape par étape :
A=-3/10 x -2/7
=-3/5 x -1/7
=3/35
B=3/4 x 12/7
=3x3/7
=9/7
c=3x-2/-9
=1x2/3
=2/3
Bonjour,
A = - 3/10 * x - 2/7
= - 3/5 * (- 1) / 7
= 3/35
B = 3/4 * 12 / 7
= 3 * 3 / 7
= 9/7
c = 3x - 2/- 9
= 1 * 2 / 3
= 2/3
A = - 3/10 * x - 2/7
= - 3/5 * (- 1) / 7
= 3/35
B = 3/4 * 12 / 7
= 3 * 3 / 7
= 9/7
c = 3x - 2/- 9
= 1 * 2 / 3
= 2/3