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13. 在坐標平面上,設 k 為實數,若 ( 2,3)、( 4,–5)、( k ,–3) 三點共線,則 k =?
問題詳情
13. 在坐標平面上,設 k 為實數,若 ( 2,3)、( 4,–5)、( k ,–3) 三點共線,則 k =?
參考答案
答案:B
難度:簡單0.703125
統計:A(6),B(45),C(8),D(5),E(0)
用户評論
【用戶】
Sheng Yuan Wa
【年級】高二上
【評論內容】三點共線,代表任兩點X,Y比相同設A點(2,3),B點(4,-5),C點(k,-3)
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