Deutsch   English   Français   Italiano  
<u5mh4s$le09$1@dont-email.me>

View for Bookmarking (what is this?)
Look up another Usenet article

Path: ...!weretis.net!feeder8.news.weretis.net!eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Python <python@invalid.org>
Newsgroups: fr.sci.maths
Subject: =?UTF-8?B?UmU6IFLDqXNvdWRyZSBjZXR0ZSDDqWdhbGl0w6k=?=
Date: Tue, 6 Jun 2023 07:45:00 +0200
Organization: A noiseless patient Spider
Lines: 48
Message-ID: <u5mh4s$le09$1@dont-email.me>
References: <zF0ezWzZVwyFPc1y2dkU7tlBpJg@jntp> <u5mb42$ksj0$1@dont-email.me>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Tue, 6 Jun 2023 05:45:00 -0000 (UTC)
Injection-Info: dont-email.me; posting-host="79fc38b8d42768376418740176e2cd1a";
	logging-data="702473"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18wIXfyONUIrO/JTxsetu9A"
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.3.3
Cancel-Lock: sha1:DPIP5Mjsm4fhdZFefDlb84r6zOo=
In-Reply-To: <u5mb42$ksj0$1@dont-email.me>
Content-Language: en-US, fr
Bytes: 2108

Le 06/06/2023 à 06:02, Dominique a écrit :
> 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 !
> 

https://docs.oracle.com/cd/E19957-01/800-7895/800-7895.pdf

Python 3.11.2 (main, Feb 12 2023, 00:48:52) [GCC 12.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
 >>> 1/10 + 2/10 == 3/10
False

Si tu le fais en Python il vaut mieux utiliser le module fractions...

(11, 110)
(35, 14)
(30, 15)
(20, 20)
(12, 60)

(+ symétriques)