（2011广西南宁，20，6分）解分式方程：=-七年级数学

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• 方程的解是=.-九年级数学
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• 解方程：(1)(5分)(2)(5分)-八年级数学
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• 分式方程的解是▲；-七年级数学
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• 解方程：-九年级数学
• 解方程：-九年级数学
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• 解分式方程：-八年级数学
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• 解方程：-九年级数学
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