Nguoi ta xep 960 khoi hinh lap phuong nho canh 1 cm thanh mot khoi hop chu nhat dai 12 cm; rong 10 cm.Sau do nguoi ta dem son 6 mat ngoai cua khoi hop vua xep duoc.Hoi co bao nhieu khoi hinh lap phuong nho duoc son 1 mat ?
nguoi ta xep 960 khoi lap phuong nho co canh 1 cm thanh 1 khoi hop chu nhat dai 12 cm cr 10 cm sau do nguoi ta dem son 6 mat ngoai cua khoi hop chu nhat . hoi co bao nhieu khoi lap phuong nho ko son mat nao
Nguoi ta xep 960 khoi lap phuong nho canh 1cm thanh 1 khoi hop chu nhat dai 12cm rong 10cm .Sau do nguoi ta dem son 6 mat ngoai khoi hop vua xep duoc . Hoi co bao nhieu khoi lap phuong nho duoc son 2 mat
mot hinh hop chu nhat co chieu dai 12 cm ,chieu rong 10 cm chieu cao 8 cm nguoi ta son 6 mat ngoai cua hinh do .hoi co bao nhieu khoi lap phuong nho canh 1 cm khong son mat nao
nguoi ta xep 960 hinh lap phuong nho canh 1cm thanh 1 hinh hop chu nhat dai 12cm , rong 10 cm . sau do son 6 mat ngoai cua hinh vua xep duoc . hoi co bao nhieu hinh lap phuong nho duoc son 2 mat
nguoi ta xep 1331 hinh lap phuong nho canh 1 cm thanh 1 khhoi lap phuong lon.sau do nguoi ta son 4 mat xung quanh va day tren cua khoi lap phuong sep duoc.hoi co bao nhieu hinh lap phuong nho khong duoc son khong 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 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 ?
1khoi hop chu nhat co kich thuoc 50*40*30 duoc xep boi cac khoi lap phuong canh 1 dm nguoi ta son cac mat ngoai cua khoi hop do hoi co bao nhieu hinh lap phuong nho khong duoc son