方程的解是.-八年级数学

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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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• 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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• 今年以来受各种因素的影响，猪肉的市场价格仍在不断上升。据调查，今年5月份一级猪肉的价格是1月份一级猪肉价格的1.25倍，小英同学的妈妈同样用20元钱在5月份购得一级猪肉比-八年级数学
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