(2х+3y)² выполните действие
Mihail001192
(2x)^2 +2 * 2x * 3y + (3y)^2
4x^2 +2 * 2x * 3y+ (3y)^2
4x^2 + 12xy + (3y)^2
4x^2 + 12xy + 9y^2
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(2x+3y)^2(2x)^2 +2 * 2x * 3y + (3y)^2
4x^2 +2 * 2x * 3y+ (3y)^2
4x^2 + 12xy + (3y)^2
4x^2 + 12xy + 9y^2
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