Tong so hang thu nhat va so hang thu hai va tong la 3248 . Biet so hang thu nhat bang 4/7 so hang thu hai .Tim hai so hang do
Tong cua so hang thu nhat, so hang thu hai va tong la 3248. Biet so hang thu nhat bang 4/7 tong hai so.Tim so hang thu nhat trong phep tinh do
tong cua so hang thu nhat, so hang thu hai va tong la 3248. Biet so hang thu nhat bang 4/7 tong hai so
tong cua so hang thu nhat , so hang thu 2 va tong la 3248 . biet so hang thu nhat bang 4/7 tong 2 so ,2 so do la
tim hai so co tong bang 140 , biet rang neu gap so hang thu nhat len 5 lan va gap so hang thu hai len 3 lan thi tong moi la 508
tong hai so la 19,1. neu giam so hang thu nhat di 4 lan va giu nguyen so hang thu hai thi duoc tong moi la 7,4. tim hai so do.
tong hai so la 19,1. neu giam so hang thu nhat di 4 lan va giu nguyen so hang thu hai thi duoc tong moi la 7,4. tim hai so do.
tim 2 so co tong bang 140,biet rang neu gap so hang thu nhat len 5 lan va gap so hang thu hai len 3 lan thi tong moi la 508
tim hai so co tong bang 140 biet rang neu gap so hang thu nhat len 5 lan va gap so hang thu 2 len 3 lan thi tong moi la 508