Réponses

  • Utilisateur Brainly
2014-09-20T21:56:55+02:00
3/4 + 7/4 : 3/2
= 3/4 + 7/4 x 2/3
= 3/4 + 14/12
= 9/12 + 14/12
= 23/12
2014-09-20T23:51:49+02:00

A = 3/4 + 7/4 : 3/2

A = 3/4 + 7/4 x 2/3

A = 3/4 + 7x2 / 2x2x3

A = 3/4 + 7/6

A = 9/12 + 14/12

A = 23/12