方程的解是[]A.-1B.2C.1D.0-九年级数学

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• 分式方程的解为（）。-九年级数学
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• ①解分式方程；②解不等式组。-九年级数学
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• 解方程：。-九年级数学
• 方程=4的解为（）。-九年级数学
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• 解方程：。-九年级数学
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• 解方程-九年级数学
• 用换元法解分式方程+=7时，如果设y=，那么将原方程化为关于y的一元二次方程是[]A.2y2-7y+6=0B.2y2+7y+6=0C.y2-7y+6=0D.y2+7y+6=0-九年级数学
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• 解方程-九年级数学
• 用换元法解分式方程-=2时，如果设=y，并将原方程化为关于y的整式方程，那么这个整式方程是（）。-九年级数学
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