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cswhore
@cswhore
June 2021
2
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programme de calcul :
•choisir un nombre de départ.
•ajouter 1
•Calculer le carré du résultat obtenu
•lui soustraire le carré du nombre de départ
•écrire le résultat final.
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winner123
Verified answer
Bonsoir
x
x +1
( x +1)² = x² + 2 x +1
x ² + 2 x +1 - x²
2 x + 1
5 votes
Thanks 5
nutella62
(x+1)²-x²=x²+2*x*1+1²-x²=2x+1
par exemple avec 2: (2+1)²-2²=2²+2*2*1+1²-2²=4+4-4=4
J'espère t'avoir aidé !
1 votes
Thanks 2
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Verified answer
Bonsoirx
x +1
( x +1)² = x² + 2 x +1
x ² + 2 x +1 - x²
2 x + 1
par exemple avec 2: (2+1)²-2²=2²+2*2*1+1²-2²=4+4-4=4
J'espère t'avoir aidé !