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 nhung hinh lap phuong nho canh 1cm thanh 1 hinh lap phuong lon canh dai 11dm ,sau do nguoi ta son 3 mat ngoai cua hinh lap phuong lon vua xep duoc .Hoi co bao nhieu hinh lap phuong nho duoc son 1mat, 2 mat ,3 mat khong son mat nao
Nguoi ta xep nhung hinh lap phuong nho canh 1cm thanh 1 hinh lap phuong lon canh 12cm, sau do nguoi ta son 4 mat mat quanh va day tren cua hinh lap phuong vua xep duoc. Hoi co bao nhieu hinh lap phuong nho duoc son 2 mat
nguoi ta xep nhung hinh lap phuong nho canh 1cm thanh mot hinh lap phuong lon canh 1.5dm, sau do nguoi ta son cac mat ngoaicua hinh lap phuong lon vua xep duoc. hoi co bao nhieu hinh lap phuong nho duoc son hai mat?
nguoi xep nhung hinh lap phuong nho canh 1cm thanh hinh lap phuong lon canh 12cm,sau do nguoi ta son 4 mat xung quanh va day tren cua hinh lap phuong vua xep duoc.hoi co bao nhieu hinh lap phuong nho duoc son 2 mat
nguoi ta xep 4 hinh lap phuong nho co canh 4cm thanh 1 hinh lap phuong lon roi son tat ca cac mat cua hinh lap phuong hoi moi hinh lap phuong nho co may mat duoc son va dien tich son cua moi hinh lap phuong nho la bao nhieu
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?
nguoi ta xep hinh lap phuong nho 1 cm thanh moi hinh lap phuong lon canh dai 9cm sau do nguoi ta son cac mat ngoai cua hinh lap phuong lon vua xep duoc hoi co bao nhieu hinh lap phuong nho duoc son mot mat
nguoi ta xep cac hinh lap phuong nho co canh 1cm thanh mot khoi hinh lap phuong lon co canh 12 cm.Sau do nguoi ta son toan bo 6 mat cua khoi hinh lap phuong lon . Hoi :
a)co bao nheu hinh duoc son 3 mat
b)co bao nhieu hinh duoc son 2 mat ?
c)co bao nhieu hinh duoc son 1 mat?
d)co bao nhieu hinh khong duoc son mat nao