Các câu hỏi tương tự
tong 3 so la 307.5 biet 1/3 so A bang 405 so B bang 30% so C . Tim 3 so do
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.
cho 3 so co tong bang 307.5.biet 1/3 so 1 bang 2/5 so 2 bang 1/2so 3.tim so 1
cho 3 so co tong bang 307.5 biet st1 banh 40% st2 va bang 50% st3 tim st1
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 mot phan so biet tong cua tu va mau so cua phan so do bang 135 va biet phan so do co gia tri bang 2/3
PHAN SO DO LA...........................
3 kho thoc co tong la 1012 ta . biet 1/2 so kho thoc A bang 3/7 so kho B va bang 5/9 kho C . hay tim so thoc cua moi kho ?
Tong cua 2 so do la 760.Tim 2so do,biet 1/3 so thu nhat bang 1/5 so thu hai .
tong hai so la 215 tim hai so do biet rang 2 lan so thu nhat bang 3 lan so thu hai