作者查詢 / cuteSquirrel
作者 cuteSquirrel 在 PTT [ Math ] 看板的留言(推文), 共318則
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2F→: : )04/17 17:48
6F推: 對的 國中的可以解 步驟多一點就是了04/16 22:52
1F→: 確實,這送餐題目是有捆綁的,而且每包裡面是相同物04/12 22:01
2F→: 用錯排不是很好想04/12 22:02
3F→: 假如是六餐都不同,六餐都要求送錯,那就好處理。04/12 22:02
2F→: 不客氣 這題用到很多中學性質 老師剛好佛心配好數字04/09 22:48
3F→: 感覺關鍵在找邊角關係 得到直角三角形去幫忙算邊長04/09 22:49
4F推: 老師有配過角度和邊長,會得到1個直角三角形幫助計算04/09 22:00
1F推: 往下畫全等三角形,用邊角關係得到所有關係式。04/09 21:14
2F→: 四邊形 = 三角形ABD + 三角形BCD 求出04/09 21:14
3F→: 稍後補詳解 請等一下04/09 21:14
13F推: 推甄的題目超綱是有可能的阿04/04 22:48
4F→: 一隻 必須 強迫落在重心上,兩隻 必須在重心連線上04/03 20:50
5F→: 一隻 兩隻的就算空桌平衡,隨便擺個物品也幾乎必倒04/03 20:51
1F推: 推03/31 22:33
3F→: 有寫更詳細了,在上面的討論。03/30 19:24
5F→: 對 一種是點1出發過圓心,另一種是靠別人過圓心。03/30 19:28
6F→: 解題關鍵在於: 某一邊邊長,一定要是過圓心的直徑。03/30 19:29