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Взаимное расположение прямых – графиков уравнений на плоскости

в). а). б). x + y = 2 x – y = 4. x - 2y = 2 x – 2y = -4. x + 2y = 6 2x + 4y = 12. y. y. y. 0. x. x. x. 0. 0. Взаимное расположение прямых – графиков уравнений на плоскости. 2x + 4y =12. x - 2y = -4. x – y = 4. x - 2y = 2. 3. x + 2y = 6. - 1. x + y = 2.

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Взаимное расположение прямых – графиков уравнений на плоскости

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  1. в) а) б) x + y = 2 x – y = 4 x - 2y = 2 x – 2y = -4 x + 2y = 6 2x + 4y = 12 y y y 0 x x x 0 0 Взаимное расположение прямых – графиков уравнений на плоскости 2x + 4y =12 x - 2y = -4 x – y = 4 x - 2y = 2 3 x + 2y = 6 - 1 x + y = 2

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