YSITD_Chat_Bot => #ysitd: <Cute_Panda>: a,b,c,d為有理數，證明a+b*2^(1/2)=c+d*2^(1/2) a=c b=d #589ad56e30710f3e61de1b91

YSITD_Chat_Bot says to #ysitd

<Cute_Panda>: a,b,c,d為有理數，證明a+b*2^(1/2)=c+d*2^(1/2) a=c b=d

at Wed, Feb 8, 2017 4:23 PM