cho hai so co tong la 2008.tim hai so do biet giua chung co 17 so tu nhien khac
Tong cua hai so chan la 164 biet giua chung co 4 so le.Tim hai so do
tim hai so tu nhien co tong la 2009/tim hai so do biet giua chung co 20 so chan
tim hai so khi biet tong cua chung la 2008.giua chung co 10 so chan
Hai so tu nhien co tong la 2013. Tim hai so dobiet giua chung co 18 so chan.
hai so tu nhien co tong la 2011 va giua chung co 9 so chan.tim so do
TONG CUA HAI SO LA SO 150.TIM HAI SO DO,BIET GIUA CHUNG CO 3 SO TU NHIEN KHAC
tong hai so la 2014 . Tim so lon biet giua chung co 19 so tu nhien khac nhau
tim hai so tu nhien co tong la 2015 va giua chung co 8 so chan lien tiep.