Category: 16数学第二次授课

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190524-三角形全等的判定条件-22160608

Added by 6 年 ago

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19.05.28-等差数列的前n项求和-22160622

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159 Views7 Comments

160516-等差数列的求和公式-22160629

Added by 6 年 ago

96 Views8 Comments

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20190523勾股定理22160620

Added by 6 年 ago

185 Views9 Comments

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190613-余弦定理说课-10150504

Added by 6 年 ago

141 Views4 Comments

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190523-正弦定理-22150701

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259 Views9 Comments

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190523-基本不等式-22160619

Added by 6 年 ago

126 Views7 Comments

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190515-基本不等式-21150612

Added by 6 年 ago

142 Views6 Comments

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190523基本不等式22160625

Added by 6 年 ago

155 Views9 Comments

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190523-空间中直线的位置关系-22160626

Added by 6 年 ago

133 Views3 Comments

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