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114年分科數學甲多選8
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圓錐曲線-直圓錐面截痕(一)
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手電筒照地面牆面
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正立方體與平面截痕
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圓錐曲線-直圓錐面截痕(二)-平面方程式
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做正三角形頂點在三個同心圓上
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113學測數A填17(電腦版)
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1²+2²+3²+...+n²=?(colorful)
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114學測數B單選7解法二
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114學測數B單選7
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114學測數學A單選5(電腦版)
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1²+2²+3²+...+n²=?(colorful)
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