解答下列各题：（1）计算：；（2）解不等式组并写出该不等式组的整数解；（3）解方程：。-九年级数学

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• 解分式方程：（1）；（2）。-八年级数学
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• 解分式方程：。-九年级数学
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• 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
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