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Vypočítej:

Vypočítej:. Nápověda: * je symbol pro násobení. 2x - 4y - 5x + 11y = 5xy - ( - 5xy ) = 7 - 10 = 0.6x - 0.9y + 1.3y - ( - 1.5x ) = ( 7 ) - ( 7x - 7 ) = ( a + 2 ) * 2a = ( -3a) * (5 - 2 ) = -7 * ( - 9x) = 3x * ( - 6xy + 2x - 10 =

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Vypočítej:

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  1. Vypočítej: Nápověda: * je symbol pro násobení. 2x - 4y - 5x + 11y = 5xy - ( - 5xy ) = 7 - 10 = 0.6x - 0.9y + 1.3y - ( - 1.5x ) = ( 7 ) - ( 7x - 7 ) = ( a + 2 ) * 2a = ( -3a) * (5 - 2) = -7 * ( - 9x) = 3x * ( - 6xy + 2x - 10 = ( - 25 + 45 : ( -5 ( 3x - 5 ) * ( - 2x + 3 ) = (-4x - 2y ) * ( x + 7y ) =

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