nguoi ta xep cac hinh lap phuong nho co canh 1cm thanh mot hinh lap phuong lon co dien tich toan phan la216cm2 sau do nguoi ta son tat ca cac mat cua khoi lon do .Hoi co baonhieu hinh lap phuong nho duoc son 3 mat;2mat 1 mat va ko duoc son mat nao 

TRA LOI GIUP MINH NHE

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 tam bia hinh lap phuong nho co canh 4cm thanh mot hinh lap phoung lon hon roi son tat ca cac mat cua hinh lap phoung lon hoi moi hinh lap phoung nho co may mat duoc son va dien tich duoc  son cua moi hinh lap phuong nho la bao nhieu

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 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

Xep 8 hinh lap phuong nho co canh 4cm thanh mot hinh lap phuong lon roi son tat ca cac mat cua hinh lap phuong lon .Hoi moi hinh lap phuong nho co may mat duoc son va dien tich duoc son cua moi hinh lap phuong nho la bao nhieu

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 nhung hinh lap phuong nho canh 1cm thanh mot hinh lap phuong lon canh 11cm, sau do nguoi ta son4mat xung quanh va day tren cua hinh lap phuong lon. Hoi co tat ca bao nhieu hinh lap phuong nho duoc son 1mat

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