10/10/12 21:07:18 NCveGi3I0
>>533
Z-cでは？
(Ｚ－c)^2＝(X+Y-c)^2=(X+Y-(a+b))^2=(X-a+Y-b)^2
=（Ｘ－a）^2＋（Y－b）^2＋２（Ｘ－a）（Ｙ－b）
10/10/12 21:07:18 NCveGi3I0
>>533
Z-cでは？
(Ｚ－c)^2＝(X+Y-c)^2=(X+Y-(a+b))^2=(X-a+Y-b)^2
=（Ｘ－a）^2＋（Y－b）^2＋２（Ｘ－a）（Ｙ－b）
10/10/12 21:07:18 NCveGi3I0
>>533
Z-cでは？
(Ｚ－c)^2＝(X+Y-c)^2=(X+Y-(a+b))^2=(X-a+Y-b)^2
=（Ｘ－a）^2＋（Y－b）^2＋２（Ｘ－a）（Ｙ－b）