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[中學] 幾何問題
[ Math ]33 留言, 推噓總分: +2
作者: Coolweiwei - 發表於 2018/12/14 12:19(7年前)
5F→Coolweiwei: 7是怎麼算出來的XD 不知道怎麼算...12/14 12:47
7F→Coolweiwei: 喔喔去用 x^2+y^2 = r^2去解交點嗎12/14 12:52
8F→Coolweiwei: 但對方是小六....orz12/14 12:52
10F→Coolweiwei: 一開始就求出交點是個好方法 但小六還沒學到阿XD12/14 12:57
17F→Coolweiwei: 題目就是這樣XD 用到arc根本無法跟小六學生解釋阿XD12/14 13:23
22F→Coolweiwei: 我其他朋友也都用三角函數解XD 不知道到底要怎麼教12/14 14:25
23F→Coolweiwei: 小學生算出來XD12/14 14:25
[中學] 聯立方程式求解(跟矩陣解有關)
[ Math ]6 留言, 推噓總分: +3
作者: Coolweiwei - 發表於 2012/08/27 13:04(13年前)
5F→Coolweiwei:謝謝 同時我也問到另一種解法 高斯消去08/28 11:31
6F→Coolweiwei:克拉瑪公式我也要回憶一下........有學過08/28 11:31
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