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七年级数学培优题精讲：巧用特殊值法，灵活求解复杂代数式的值
七年级数学培优题精讲：巧用特殊值法，灵活求解复杂代数式的值。这道题需要根据条件中各项系数之间的关系，设定x为特殊值代入等式求解。这种解题方法值得大家学习并掌握，欢迎观看陈老师课堂的讲解！
七年级数学精选题型解析系列合辑，轻松学习，提高好成绩14/40
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