Photos 4X 8X РЕШИТЕ

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4x 8x решите. 9 4х 7 8х +0.52. 4х-х=8,7. 9,4x-7,8x+0,52=1. (Х+7)(Х+7)-2(Х+7)=0.
9 4х 7 8х +0.52. 4х-х=8,7. 9,4x-7,8x+0,52=1. (Х+7)(Х+7)-2(Х+7)=0.

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