http://mtaalamu.ru ru (http://mtaalamu.ru) (http://mtaalamu.ru) http://mtaalamu.ru http://mtaalamu.ru /blog/dates/685.html#comment3417 /blog/dates/685.html#comment3417 Markony — 12 <> 12 + Х
7 <> 5 + Х
12 12 + Х
— = — 7 5 + Х

12 х (5 + Х)= 7 х (12 + Х)

60 + 12Х = 84 + 7Х

5Х= 84 — 60

Х = 24/5 рубля ]]> Fri, 12 Mar 2010 10:04:20 +0300 comments /blog/dates/685.html#comment3418 /blog/dates/685.html#comment3418 Markony ]]> Fri, 12 Mar 2010 10:08:04 +0300 comments /blog/dates/685.html#comment3419 /blog/dates/685.html#comment3419 yababay ]]> Fri, 12 Mar 2010 10:39:15 +0300 comments /blog/dates/685.html#comment3420 /blog/dates/685.html#comment3420 yababay Fri, 12 Mar 2010 10:43:12 +0300 comments /blog/dates/685.html#comment3421 /blog/dates/685.html#comment3421 Markony ]]> Fri, 12 Mar 2010 10:53:57 +0300 comments /blog/dates/685.html#comment3439 /blog/dates/685.html#comment3439 ahmetzyanov_d yababay красивее и более подходит тому времени +1]]> Fri, 12 Mar 2010 18:36:28 +0300 comments /blog/dates/685.html#comment3441 /blog/dates/685.html#comment3441 yababay Попробую современным школьникам эту задачу предложить ;).]]> Fri, 12 Mar 2010 18:55:01 +0300 comments