"Where a calculator on the ENIAC is equipped with 18,000 vacuum tubes and weighs 30 tons, computers in the future may have only 1,000 vaccuum tubes and perhaps weigh 1.5 tons."
- Popular Mechanics - 1949 -
The best ECAES in Antioquia
Back in november, the day after Soda Stereo's concert, which obviously I went to, I had to do...
latest news: 14.02.2008
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Mathematical Problems
Solución al problema 1
2x + 2y - 4 = xy/2
4x + 4y - 8 = xy
xy - 4x - 4y = -8
xy - 4x - 4y + 16 = 8
(x - 4) ( y - 4) = 8 -> debe ser 2x4 ó 1x8...
x = 8, y = 6 ó x = 12, y = 5 ... dimensiones 8x6 ó 12x5