Category: 16数学第二次授课

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190515-两角差的余弦-22160636

Added by 7 年 ago

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190524-三角形全等的判定条件-22160608

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150 Views6 Comments

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19.05.28-等差数列的前n项求和-22160622

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198 Views7 Comments

160516-等差数列的求和公式-22160629

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132 Views8 Comments

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20190523勾股定理22160620

Added by 7 年 ago

229 Views9 Comments

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190613-余弦定理说课-10150504

Added by 7 年 ago

232 Views4 Comments

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190523-正弦定理-22150701

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290 Views9 Comments

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190523-基本不等式-22160619

Added by 7 年 ago

167 Views7 Comments

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190515-基本不等式-21150612

Added by 7 年 ago

222 Views6 Comments

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190523基本不等式22160625

Added by 7 年 ago

189 Views9 Comments

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