Star2004TW_TG@tg => YSITD: 1x13-13+14-14+15-15+16-16+17-17+13-13+(-13)x-1 答案是 13 #58c50eb4eaf998951f69ef0b

Star2004TW_TG@tg says to YSITD

1x13-13+14-14+15-15+16-16+17-17+13-13+(-13)x-1 答案是 13

at Sun, Mar 12, 2017 5:02 PM