Bonjour, j’aurais besoin d’aide avant mercredi svp!

bjr

36/45 = 9x4 / 9x5 = 4/5

Bonjour

36/45

= (2 x 2 x 3 x 3) / (3 x 3 x 5)

= [(3 x 3) x (2 x 2)] / [(3 x 3) x 5]

= (9 x 4) / (9 x 5)

= 4/5