Ta co 1728=12x12x12
Suy ra canh hinh lap phuong lon la 12 cm
D/S12 cm
Ta co 1728=12x12x12
Suy ra canh hinh lap phuong lon la 12 cm
D/S12 cm
nguoi ta xep 1728 khoi lap phuong nho canh dai 1cm thanh mot hinh lap phuong lon tinh do dai canh cua khoi hinh lap phuong lon
1331 hinh lap phuong nho canh 1 cm thanh 1 khoi lap phuong lon sau do nguoi ta son4 mat xung quanh va day tren cua khoi lap phuong xep duoc . hoi co bao nhieu hlp nho ko son mat nao
nguoi ta xep 1000 khoi go hinh lap phuong nho canh 1cm thanh 1 khoi go hinh lap phuonh lon tinh dien tich toan phan cua khoi go lon.
nguoi ta xep 1000 khoi lap phuong nho canh 1 cm thanh 1 khoi lap phuong lon . tinh s toan phan cua hinh lon ?
nguoi ta xep khoi lap phuong nho canh 1cm thanh 1 khoi lap phuong lon tinh do dai canh cua khoi lap phuong lon
nguoi ta xep 1331 hinh lap phuong nho canh 1 cm thanh mot khoi lap phuong lon . sau do son bon mat xung quanh va day tren cua khoi lap phuong . hoi co bao nhieu hinh lap phuong nho khong duoc son mat nao ?
nguoi ta xep cac hinh lap phuong co canh 1 cm thanh 1 hlp lon co canh 9 cm . sau do nguoi ta son cac mat cua hlp lon vua xep dc . hoi a,co bn hinh dc son 1 mat.b.co bn hinh dc son 2 mat.c,co bn hinh dc son 3 mat.d,co bn hin ko son mat nao?
Nguoi ta xep 1000 khoi lap phuong nho canh 1 cm thanh 1 hinh lap phuong lon.Hoi neu dem son 4 mat hinh lap phuong lon thi co nhieu nhat bao nhieu khoi lap phuong be khong son mat nao?
nguoi ta xep 1331 hinh lap phuong nho canh 1 cm thanh 1 khoi lap phuong lon . nguoi ta son 6 mat . hoi co bao nhieu hinh lap phuong nho son 1 mat . 2 mat. 3mat . khong son mat nao?