Download 中考经典试题:已知x² 2x 1=0,求2x³ 7x² 4x 2017的值

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中考经典试题:已知x² 2x 1=0,求2x³ 7x² 4x 2017的值 中考经典试题:已知x² 2x 1=0,求2x³ 7x² 4x 2017的值 中考经典试题:已知x² 2x 1=0,求2x³ 7x² 4x 2017的值

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