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作者 YellowBox 在 PTT [ Math ] 看板的留言(推文), 共47則
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1F推: 真的非常謝謝!本來一直卡在x和y的係數…09/15 22:08
1F推: 不確定這是不是判斷標準…不過1和2的等號左邊都能看09/12 22:22
2F→: 作距離的和,且右邊是常數,可以畫數線解題09/12 22:22
6F推: 國中的一元多項式吧,不能在分母,根號,絕對值08/24 00:40
1F推: 視為插空隙題型,分子是C(7,2)*C(5,2)08/15 03:20
2F推: 抱歉上面是錯的,沒考慮到數字重複…08/15 23:06
4F推: 如果是數字AB+CD的話有C(7,2)*C(5,2)種08/16 01:13
5F→: AB+AC有C(8,2)*C(2,1)*C(6,1)08/16 01:14
6F→: AB+AB有C(9,2)*C(2,2)08/16 01:15
1F推: 哦哦懂了!!謝謝~06/28 01:30
10F推: 想多聽聽y大的想法耶,可以請您再分享一點嗎~05/31 01:50