alexthunder (
alexthunder
) wrote
2010
-
09
-
13
03:54 pm
Чтобы умножить двузначное число само на себя
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netut-tobylo.livejournal.com
2010-09-13 05:42 am (UTC)
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(10a+b)^2 = 100a^2 + 20ab + b^2 ;)
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alexthunder.livejournal.com
2010-09-13 05:44 am (UTC)
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Ну шутка это такая...:)))
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(10a+b)^2 = 100a^2 + 20ab + b^2 ;)
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