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From: =?UTF-8?B?IkJlbm/DrnQgTC4i?= <benoit@leraillez.com.invalid>
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Subject: Re: =?UTF-8?B?UG91cnF1b2kgbGUgcsOpc3VsdGF0IHRlbmQgdG91am91cnM=?=
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Date: Tue, 25 Oct 2022 01:24:40 -0000 (UTC)
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Ni vu ni connu, le 24 octobre 2022 à 23:14, Olivier Miakinen osa
écrire :


> (x-z).100 - (x-z)
> = (x-z).100 − 100 + 100 − (x-z)
> = (x-z-1).100 + 90 + 10 − (x-z)
> = (x-z-1).100 + 9.10 + (10-(x-z))

-100 + 100 = 90 + 10 ?

>> = u.b² + v.b + w
>>  avec u = x-z-1
>>       v = n
>>       w = b-(x-z)
>> Et on vérifie que u+w = (x-z-1 + b-x+z) = b-1 = n
>
> = u.100 + v.10 + w
>  avec u = x-z-1
>       v = 9
>       w = 10-x+z
> Et on vérifie que u+w = (x-z-1 + 10-x+z) = 9


-- 
Un généraliste sait rien sur tout, 
Un spécialiste, lui, sait tout sur rien.