1) 1 nguoi nong dan dong 1 cai thung lua HHCN co CD 2,5m, CR 1,5m, Cao 1,2m.Hoi thung dung duoc bao nhieu kg ? (1dm2 = 1kg)
2) 1 oto di tu A luc 12gio 5 phut den B luc 17gio 35phut, doc duong nguoi do nghi 1gio 5phut. Tinh the tich cua oto, biet rang quang duong AB dai 170km
Moi nguoi giup minh nhanh nhe!
Viet ca loi giai cua bai toan