nguoi ta xep 1000 hinh lap phuong nho canh 1cm thanh 1 hinh lap phuong lon . Hoi neu dem son 4 mat cua hinh lap phuong lon thi co nhieu nhat bao nhieu hinh lap phuong nho ko 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?
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 1331 hinh lap phuong nho canh 1 cm thanh 1 khoi hinh lap phuong lon nguoi ta son 6 mat .hoi có bao nhieu hinh lap phuong nho son 1 mat ,2 mat .3 mat ,khong son mat nao?
Nguoi ta xep 960 khoi 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 khong son mat nao ?
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 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
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 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