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emmah952
@emmah952
January 2021
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1. Existe-t-il trois nombres entiers consécutifs dont la somme est égal à 1 728 ?
2. Existe-t-il 5 nombres entiers consécutifs dont la somme est égal à 1 728 ?
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calinizou
Verified answer
Bonsoir
n+n+1+n+2=1728
3n+3=1728
3n=1728-3
3n=1725
n=1725/3=575
donc n=575
n+1=576
n+2=577
2/
n+n+1+n+2+n+3+n+4=1728
5n+10=1728
5n=1728-10
5n=1718
n=1718/5
n=343.6 donc non
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emmah952
merci beaucoup !!!?!!?
calinizou
de rien la prochaine fois n'oubli pas les formules de politesse
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Verified answer
Bonsoirn+n+1+n+2=1728
3n+3=1728
3n=1728-3
3n=1725
n=1725/3=575
donc n=575
n+1=576
n+2=577
2/
n+n+1+n+2+n+3+n+4=1728
5n+10=1728
5n=1728-10
5n=1718
n=1718/5
n=343.6 donc non