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)
1 oto di tu A luc 12gio 5phut den B luc 17gio 35phut, doc duong oto nghi 1gio 5phut. Tinh the tich cua oto, biet rang quang duong AB dai 170 km
Moi nguoi giup nhanh nhe!
Viet ca loi giai
Minh cam on!