12 Simplifier, si possible, les expressions sui-
vantes :
A=6xa+7x9
B=0xb+1xc+cxd
C=1xa+0x
(a + c)
D=1x (u+v) + Oxu
E=yxyxy+hxh
F=dxd-dxdxd


12 Simplifier Si Possible Les Expressions Sui Vantes A6xa7x9 B0xb1xccxd C1xa0x A C D1x Uv Oxu Eyxyxyhxh Fdxddxdxd class=