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gessigess
@gessigess
January 2021
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vous pouvez m'aidez pour l'exercice 127 s'il vous plaît ?
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Zineb17
N²+3²+2*3*n -(n²+2²+2*2*n)-(n²+1²+2*1*n)+n²
= n²+9+6n-n²-4-4n-n²-1-2n+n²
=n²-n²-n²+n²+9-4-1-2n+6n-4n
=4
0 votes
Thanks 1
gessigess
mais c'est quelle question que tu as fais?
Zineb17
3-b
gessigess
merci
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= n²+9+6n-n²-4-4n-n²-1-2n+n²
=n²-n²-n²+n²+9-4-1-2n+6n-4n
=4