Réponses

2012-09-09T13:25:10+02:00

A=1/8-3/16x7-1/3

 =1/8-1/16

=2/16-1/16

=1/16

2012-09-09T13:25:48+02:00

(1/8-3/16)*(7-1/3)

=((2-3)/16)*(6/3)

=(-1/16)*(6/3)

=(-1*2*3)/(2*8*3)

=-1/8