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Path: ...!weretis.net!feeder8.news.weretis.net!eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Dominique <zzz@aol.com> Newsgroups: fr.sci.maths Subject: =?UTF-8?B?UmU6IFLDqXNvdWRyZSBjZXR0ZSDDqWdhbGl0w6k=?= Date: Tue, 6 Jun 2023 06:02:10 +0200 Organization: A noiseless patient Spider Lines: 33 Message-ID: <u5mb42$ksj0$1@dont-email.me> References: <zF0ezWzZVwyFPc1y2dkU7tlBpJg@jntp> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Tue, 6 Jun 2023 04:02:10 -0000 (UTC) Injection-Info: dont-email.me; posting-host="41f3afee13bf45e58a1c46f9f1f64002"; logging-data="684640"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX187EmLepU7w81oZGOWmgLJducciiaBEkYg=" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Cancel-Lock: sha1:jEPxpfVbjIBw6fuIhhE/6enplCU= In-Reply-To: <zF0ezWzZVwyFPc1y2dkU7tlBpJg@jntp> Content-Language: fr Bytes: 1677 Le 05/06/2023 à 21:20, Richard Hachel a écrit : > On pose : > > (1/x)+(1/y)=(1/10) > > x et y entiers naturels. > > Quelle(s) possibilité(s)? > > R.H. En force brute (Python3) : for x in range (1,100000): for y in range(1,100000): if 1/x+1/y==.1: print(x,y) je ne trouve que 3 couples (et leurs miroirs, bien sûr) : 11 110 15 30 20 20 qui répondent exactement à la solution 1/x+1/y=1/10. Les autres solutions que donne Michel ne sont pas égales à 1/10 ! -- Dominique Courriel : dominique point sextant ate orange en France Esto quod es