Category: 16级数学

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20190524组合恒等式证明92181607

Added by 6 年 ago

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190606-平面向量说课-20150339

Added by 6 年 ago

117 Views7 Comments

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190613-等差数列说课-06160116

Added by 6 年 ago

124 Views9 Comments

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190523-空间中直线的位置关系-22160626

Added by 6 年 ago

129 Views3 Comments

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19.04.28-等差数列的概念-22160622

Added by 6 年 ago

111 Views8 Comments

190428椭圆的定义09150258

Added by 6 年 ago

182 Views9 Comments

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190523-两角差的余弦-22160636

Added by 6 年 ago

185 Views5 Comments

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190523-余弦定理-10150504

Added by 6 年 ago

156 Views7 Comments

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190613-勾股定理-22160608

Added by 6 年 ago

107 Views2 Comments

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190614三角函数92181607

Added by 6 年 ago

168 Views8 Comments

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