Cho 3 so co tong bang 272 . Biet so thu nhat kem so thu hai 36 don vi va hon so thu ba 43 don vi . Tim so thu ba
tim so trung binh cong cua 3 so biet so thu nhat bang 54, so thu hai gap 4 lan so thu nhat va so thu 3 lon hon so thu nhat 42 don vi ( ai tra loi truoc nhung ma phai dung mik tick cho )
tim ba so co trung binh cong bang 78,biet so thu nhat kem so thu hai 16 don vi,so thu hai kem so thu ba 16 don vi.
cho 3 so co tong bang 618. Biet so thu 2 hon so thu nhat 54 don vi va kem so thu ba 33 don vi. Tim so thu nhat
Tim hai so co trung bing cong 9483 biet so thu nhat be hon so thu hai 372 don vi
3 so co trung binh cong la 78 biet so thu nhat kem so thu hai 16 don vi so thu hai kem so thu ba 16 don vi tim so lon nhat trong 3 so do
Cho mot phet cong cong co so hang thu nhat hon so hang thu hai la 15 don vi .Biet tong cua so hang thu nhat so hang thu hai va tong bang 682. Tim so hang thu hai cua tong
cho 3 so co tong = 557.Biet so thu nhat hon so thu hai 74 don vi va kem so thu ba 37 don vi . tim so thu 2
cho 3 so co tong = 557.Biet so thu nhat hon so thu hai 74 don vi va kem so thu ba 37 don vi . tim so thu 2