Hai so co tong bang 112,5. Biet 50% so thu nhat bang 40% so thu hai. So thu hai la.....
hai so co tong bang 112,5 . Biet 50% so thu nhat bang 40% so thu 2 . Tim so thu nhat
hai so co tong bang 112,5.Biet 50% so thu nhat bang 40% so thu hai.So thu nhat la
tong cua 2 so bang 90. biet rang neu giam so thu nhat di 10%,so thu hai di 20% thi ta duoc hai so moi co tong bang 76.Tim hai so do
hai so co tong bang 112,5. biet 1/2 so thu nhat bang 1/3 so thu hai . so thu nhat la?
hai so co tong bang 112,5. biet 1/2 so thu nhat bang 1/3so thu hai .tim so thu nhat la?
tong cua 2 so la 280 , biet rang 30% so thu nhat bang 20% so thu hai . tim so thu hai
tong cua hai so bang 310 biet 2/3 so thu nhat bang 1/2 so thu hai .tim so thu hai ,so thu ba biet so thu nhat bang 60 ?
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.