第一次期中考_Question3

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直線方程式的通式為 ax+by+c=0 ，請設計一程式，由使用者輸入平面上兩個點的座標，程式會找到直線方程式。

 

輸入說明：

會連續輸入四個浮點數，兩兩間以空白隔開，分別代表第一個點的x座標，第一個點的y座標，第二個點的x座標以及第二個點的y座標。

 

輸出說明：

請在一行輸出a，b，c三個數，用空白隔開他們。請將a約分到1，如果a是0，請將b約分到1。

 

輸入範例：

0.0 0.0 5.78 5.78

 

輸出範例：

1 -1 0
[Exam] asked in 2017-1 程式設計(一)AD by (30k points)
ID: 29384 - Available when: Unlimited - Due to: 2017-10-27 21:30 | 2.5k views

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#include<stdio.h>

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system("pause");

return 0;    

}
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