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兩直線是否平行有幾種判定方法
兩直線是否平行有幾種判定方法
更新时间:2025-02-23 23:21:23

  1、兩直線是否平行有8種判定方法。

  2、初中:同位角相等,兩直線平行、内錯角相等,兩直線平行、同旁内角互補,兩直線平行。高中:直線方程y=kx+b、斜率k相等,截距b不相等的2條直線平行、直線方程Ax+By+C=0兩直線平行時:A1/A2=B1/B2≠C1/C2。

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