当时，方程有增根。-八年级数学

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• 解方程：.-九年级数学
• 方程的解是.-八年级数学
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• 已知：关于x的方程2-xx-3=-2-ax-3无解，则a的值为（）A．1B．-1C．-11D．-5-数学
• 若分式方程x-1x-3=ax-3有增根，则a=______．-数学
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• The whole morning _____ the windows and the floors tomorrow.A．shall be spent to washB．is going to ta
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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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• 分式方程的解是（）A．-3B．2C．3D．-2-九年级数学
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• 有两块面积相同的试验田，分别收获蔬菜900kg和1500kg．已知第一块试验田每亩收获蔬菜比第二块少300kg，求第一块试验田每亩收获蔬菜多少千克．设第一块试验田每亩收获蔬菜xkg，-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
• 解方程：xx-1=1-3(1-x)(x+2)-数学
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• 解方程：-=1-九年级数学
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• 已知：，那么．-七年级数学
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• 解方程：2(x+1)2x2-x+1x-1=0-数学