Biet tong 2 so dau hon so thu 3 la 2000. Tim 3 so do neu so thu nhat bang 45% so thu hai, so thu 3 bang 135% so thu hai
MOI NGUOI GIUP MINH VOI
cho 3 so co tong la 210, biet rang 6/7 so thu nhat bang 9/11 so thu hai va bang 2/3 so thu ba, tim so lon nhat trong ba so
Tong cua ba so bang -84.tim cac so do biet rang ti so giua so thu nhat va so thu gai la 1/2 va giua so thu hai voi so thu ba la 1)20
tim 2 so biet tong chung bang 176 moi so deu co 2chu so khac nhau . Si nay la so viet theo thu tu nguoc lai
tong 2 so la 200 neu tang so thu nhat len 3 lan thi so thu nhat bang 4/7 so thu hai tim hai so
tong hai so la 46 . tim hai so biet so thu 1 gap len 5 lan , so thu hai gap len 2 lan , tong moi la 128
Neu tang them 5 don vi vao thua so thu nhat thi tich moi la 595. Tim 2 thua so biet tich cua chung bang 420.
tong cua 2 so la 5475.Neu lay so thu nhat chia cho so thu hai thi duoc thuong la 8 du 3.Tim moi so
tong binh phuong cua 3 so tu nhien la 2596 . Biet rang tti so giua so thu nhat va so thu 2 la 2/3 , giua so thu 2 va so thu 3 la 5 / 6 . tim 3 so do