Category: 16数学第二次授课

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190523-中位线定理-22160634

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190523-余弦定理-09160209

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190523-三角形全等判定(ASA AAS)-22160621

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166 Views7 Comments

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190515-中位线定理-22160634

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20190523余弦定理04150131

Added by 6 年 ago

170 Views8 Comments

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190523-换底公式-22160606

Added by 6 年 ago

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160523-求根公式法-15150513

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190523-合并同类项-22160607

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190523-等式的性质-92181606

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190523 等差数列前n项求和公式 22150640

Added by 6 年 ago

108 Views3 Comments