高中数学-高考试题(圣约翰大学 1947年代数式)

计算题（1947年圣约翰大学）

Simplify

yz(x+a)/(x-y)(x-z)+zx(y+a)/(y-z)(y-x)+xy(z+a)/(z-x)(z-y)

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讨论

高中数学

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厦门大学行列式

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线性代数

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代数式

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