数学几何动动脑_直角等于钝角的证明

[mr117able]

有点太XXX了吧？



[blahblahXful]

PE在B的右边

[blahblahXful]

GP//GF, 这两条线不相交

[zedron520]

罵甚麼

人家都說明是錯的,要你想想問題在哪

[sad10005]

圖本身就錯了啊=  =

PE線段不會在B的左側...

[sphinxtan]

The triangels are SSS equal. the problem is that the graph he drew lie. Line PE is suppost to be at the right side of point B.

[0000mreps]

感覺這個影片裡的他比較胖 呵呵

[pidn75]

当bc移到bf后, 角FBP已经增大了。

[punk77104]

真是看到鬼....這老師是被自己畫圖的技術嚇傻了是吧..!?­DAP怎會跟EBP是sss三角形

[famerca]

they are not SSS , bullshit

[samson15987f]

這個圖作不出來

[thekillor]

PF不是垂直平分线

[tdebug]

DP=EP? haha, what a stupid guy,

[NormanHeqingYa]

because EP can't be Drawed.

[a691662]

那个解答很直观

[inonomori]

i tried to draw this graph and found the Line PE is out of the triangle DPE

[inonomori]

oh my!... no way... please tell me why...where is the mistake?

[inonomori]

funny.. u point "ADCB" and say "ABCD"...

btw. i like ur "fun match"

[inonomori]

first!