YSITD_TG_Bot1 => #ysitd: <BirkhoffLee>: 1^2^3 = 1^(2^3) = (1^2)^3 不是嗎 #5748680b75e9510b040b41ae

YSITD_TG_Bot1 says to #ysitd

<BirkhoffLee>: 1^2^3 = 1^(2^3) = (1^2)^3 不是嗎

at Fri, May 27, 2016 11:30 PM