Réponses

2013-03-05T23:00:12+01:00
2013-03-05T23:02:13+01:00
A=(1/2)+(3/4)
À=( 8/4) + (2/3)
À=(11/4)

B=(5/6)/(5/9)
B=(5/6)*(9/5)
B=3/2

C=10-[-2(2-3)+5]
C=10-[-2*-1+5]
C=10-[2+5]
C=10-10
C=0