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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
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.
Tong 2 so la 45 . Tim moi so khi biet 75% so thu 1 bang 50% so thu 2 .
cho 3 so co tong la 307.5 . biet 1/3 sothu 1 = 40 % so thu 2 va = 50 % so thu 3 .tim so thu 1
tim 2 so biet tong cua chung =0,9 va 40% cua so thu 1=50% so thu 2
2 so co tong = 486, 9 biet 40 phan tram so thu 1 = 50 phan tram so thu 2 , tim so thu 2
Tong ba so bang 5,2 . So thu nhat bang 2/3 so thu ba . Va so thu hai bang 50% so thu ba. Tim so thu hai
Tong ba so la 5,2 . So thu nhat bang 2/3 so thu ba .Va so thu hai bang 50% so thu ba. Tim so thu hai
hai so co tong bang 112,5 . Biet 50% so thu nhat bang 40% so thu 2 . Tim so thu nhat