dau phong dem ep thi duoc 35% . muon co 70 kg dau an thi can ep may ta dau phong . giai chi tiet nha
lac dem ep duoc 35% dau an. hoi muon co 70kg dau an thi phai ep may lang lac?
mot binh dung 4,5 lit dau can ca vo binh nang 3,92 kg vo binh nang 0,5 hoi
a 1lit dau can nang bao nhieu kg / muon co 38 kg lit dau thi phai mua so lit dau la
mot can chua 7.5l dau thi can duoc 7kg.hoi sau khi dung 5l dau thi can dau con lai can duoc bao nhieu kg,biet rang cai can ko co dau can nang 1.15kg.
Dau phong dem epthi duoc 35%la dau an . Hỏi mượn cô 701kg dầu ăn thì phải ép mấy ta đậu phộng
An tham gia dau co va dau 20 van .Moi van thang duoc 10 dien , thua mat 15 dien sau doi thi An duoc 150 dien . Hoi An thang bao nhieu van ?
an tham gia thi dau co va da dau 20 van.moi van thang duoc 10 diem ,moi van thuabi mat 15 diem .hoi an thang bao nhieu van
3,5 l dau can nang 2,8 kg hoi neu chung can nang 8 kg thi co bao nhieu l dau
giai bai toan sau:mot can chua 7.5l dau thi can duoc 7kg.hoi sau khi dung 5l dau thi can dau con lai can duoc bao nhieu kg,biet rang cai can ko co dau can nang 1.15kg.
giai nhanh minh tich cho