Category: 16级数学

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190613-等差数列前n项和说课-22160637

Added by 5 年 ago

125 Views8 Comments

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190613-等比数列的前n项和说课-06160318

Added by 5 年 ago

186 Views0 Comments

190515-两角差的余弦-22160636

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214 Views7 Comments

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190425-双曲线的概念-21150224

Added by 5 年 ago

135 Views4 Comments

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190428-圆的标准方程-22160609

Added by 5 年 ago

123 Views8 Comments

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190515-中位线定理-22160634

Added by 5 年 ago

145 Views3 Comments

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20190523勾股定理22160620

Added by 5 年 ago

180 Views9 Comments

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190606-余弦定理说课-10150504

Added by 5 年 ago

145 Views7 Comments

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190613-基本不等式说课-22160625

Added by 5 年 ago

111 Views6 Comments

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190606-一次函数与二元一次方程-15150513

Added by 5 年 ago

132 Views8 Comments

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