Réponse:
A = 6×x+6×4+13×2x+13×4
=6x+24+26x+52
=30x+68x
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BonjourEx 1
A=6x+24+26x+52
=6x+102
B=2x+14-12x+4
=10x+18
Réponse:
A = 6×x+6×4+13×2x+13×4
=6x+24+26x+52
=30x+68x