Réponses

2013-11-13T22:22:12+01:00
A=5/3-4/3x7/11
=5/3-28/33
=55/33-28/33
=27/33
=9/11

B=(4/3+3/10)/(5/2-2/5)
=(40/30+9/30)/(25/10-4/10)
=(49/30)/(21/10)
=49/30 x 10/21
=7/3 x 1/3
=7/9