Réponses

2013-12-31T15:09:02+01:00
F= 3/8 - 3/14 x 7/6 
=3/8-21/84
=3/8-7/28
=84/224-56/224
=28/224
=14/112
=7/56
=1/8

G= ( 2- 1/3 ) : 20/9
=(6/3-1/3) * 9/20
=5/3*9/20
=45/60
=3/4