A/b=3a^2/3aba/b=-a^2 /-aba/b= a3b /a2b2a/b= a2 /aba/b=5a3b /5a2b2 x/2y=2x /4yx/2y=xy /2y2x/2y= 2x2 /4xyx/2y=3 x3 y / 6x2y2<span>x/2y= 4xy /8y3</span>
вооот. последнее не точно)...............................
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Точка ∩ графиков двух функций (1;1)