Bonjour,
A=(-4*3)/(-8+2)
A=-12/(-6)
A=-2
B=(-9+6-5)/(3-6+8)
B=-8/5
C=[(6-3)(-9+5)]/[(7-9+1)*2]
C=[3*(-4)]/[-1*2]
C=-12/-2
C=6
D=(6-4*5+8)/[3+7*(-2)+7]
D=(6-20+8)/(3-14+7)
D=-6/-4
D=3/2
