04/12/08 15:11:41
>>743-744
なんでわざわざ遠回りする？
x=(a+x)*(x/(a+x))
x+y+z = (a+x)*(x/(a+x)) + (a+y)*(y/(a+y)) + (a+z)*(z/(a+z))
≧ (a+z)*(x/(a+x)) + (a+x)*(y/(a+y)) + (a+y)*(z/(a+z))
↑
741
04/12/08 15:11:41
>>743-744
なんでわざわざ遠回りする？
x=(a+x)*(x/(a+x))
x+y+z = (a+x)*(x/(a+x)) + (a+y)*(y/(a+y)) + (a+z)*(z/(a+z))
≧ (a+z)*(x/(a+x)) + (a+x)*(y/(a+y)) + (a+y)*(z/(a+z))
↑
741