Các câu hỏi tương tự
1) Cho 2 so khac nhau . So lon co chu so hang chuc la 7 , chu so hang don vi la 3 . Neu xoa chu so 7 va chu so 3 do ta duoc so be . Hieu cua 2 so do la 9082 . Tim 2 so do ?
2)So sanh A va B :
A = 2008/987654321 + 2009 / 246813579 . Day la phan so
B = 2009/987654321 + 2008 / 246813579 . Day la phan so
Hieu cua hai so la 81.Neu xoa chu so 9 o hang don vi cua so lon thi ta duoc so nho .Tim tong cua hai so do
tim 12so co hieu la 312 .biet rang neu xoa chu so 6 o hang don vi cua so lon thi gap 10 lan so be
tong cua hai so la 638 tim so lon biet neu xoa chu so 5 o hang tram cua so co hieu la 15 don vi vay so be la........
tim so co 2 chu so biet rang neu them chu so 0 xen giua chu so hang chuc va hang don vi cua so ta duoc lon gap 10 lan so da cho neu them chu so 1 vao ben trai so vua nhan duoc thi so do tang lon hon 3 lan
tim 2 so co tong bang 950,biet rang neu xoa di chu so 4 o hang don vi cua so lon thi duoc so be
tim so co 4 chu so biet rang neu xoa di chu so hang chuc va hang don vi cua so do ta duoc so moi nho hon so da cho 3663 don vi
cho hai so khac nhau . so lon hon trong hai so do co hang don vi la 8. neu xoa chu so 8 do ta duoc so be. hieu cua hai so do la 485. tim 2 so da cho
ai k mk mk k lai
tong hai so tu nhien bang 3531 tim so lon biet neu xoa chu so 0 o hang don vi cua so lon thi ta duoc so be