(2x + 3y do szesciany czyli 3 )do kwadratu
(2x+3y³)²=(2x)²+2∙2x∙3y³+(3y³)²=4x²+12xy³+9y⁶
powodzenia w nauce
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(2x+3y³)²=(2x)²+2∙2x∙3y³+(3y³)²=4x²+12xy³+9y⁶
powodzenia w nauce