Cho 3 so co tong la 441.biet 30% so thu nhat bang 50% so thu hai va bang 150% so thu ba.tim so thu nhat
cho 3 so co tong bang 307.5 biet 1/3 so thu nhat bang 40% so thu hai bang 50% so thu ba tim so thu nhat.
Hai so co tong bang 157.5 . biet 50% so thu nhat nhat bang 2\3 so thu 2.tim so thu nhat?
cho 3 so co tong bang307,5.Biet 1/3so thu nhat bang 40% so thu hai .bang 50% so thu 3.Tim so thu nhat
tim 3 so biet chung co tong bang 417 neu giam so thi nhat 17 don vi thi bang tong cua so thu 2 va so thu 3 biet so thu nhat chia cho so thu 3 duoc 3 du 7 tim 3 so
cho 3 so co tong bang 441 biet 30% ST1 =50% ST2 va =150% ST3 tim so thu 1
hai so co tong bang 112,5 . Biet 50% so thu nhat bang 40% so thu 2 . Tim so thu nhat
cho 3 so , so thu hai bang 1/4 so thu nhat va so thu nhat bang 1/2 so thu ba . tim so thu ba biet tong ba so 1950
cho 3 so , so thu hai bang 1/4 so thu nhat va so thu nhat bang 1/2 so thu ba . tim so thu ba biet tong ba so 1950