1. Tim 2 so co tong = 129. Neu lay so thu 1 chia cho so thu 2 thi duoc thuong la 6 du 3.
2. Tim 2 so co hieu = 114. Neu xoa chu so o hang don vi cua so lon thi duoc so be
hieu hai so la 197. Neu lay so lon chia cho so be duoc thuong la 6 du 7. Tim so lon
hieu hai so la 197 .Neu lay so lon chia cho so be duoc thuong la 6 du 7.Tim so lon
GIUP MIK VOI
hai so tu nhien co hieu bang 133.tim so lon biet khi lay so lon chia cho so be thi duoc thuong la 4 va so du la 19
Hieu hai so la 1995 tim hai so biet neu lay so lon chia cho so be thi duoc 200 va du 5
hieu hai so la 187 . neu lay so lon chia cho so be duoc thuong la 5 du 7 . tim tong hai so
tim hai so TH biet so lon chia cho so be co thuong la 4 du 19 va biet hieu cua chung la133
hai so tu nhien co hieu bang291.Biet so lon chia cho so be duoc 3 du 41.Vay so be la
a la so lon nhat co nhat co 5 chu so kac nhau chia cho 5 du 3
b la so be nhat co nhat co 5 chu so khac nhau chia cho 3 du 2
tim hieu a va b ..