Répondre :
x+18+2x+26+2x+32+x+16
x+2x+2x+x+18+26+32+16
5x+50+48
6x+92
x+2x+2x+x+18+26+32+16
5x+50+48
6x+92
A = x + 8 + 10 + 2x + 26 + 2x + 12 + 8 + 12 + x + 16
= x + x + 2x + 2x + 8 + 10 + 26 + 12 + 8 + 12 + 16
= 2x + 2x + 2x + 18 + 38 + 20 + 16
A = 6x + 92
= x + x + 2x + 2x + 8 + 10 + 26 + 12 + 8 + 12 + 16
= 2x + 2x + 2x + 18 + 38 + 20 + 16
A = 6x + 92