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 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 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 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 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 cac hinh lap phuong nho co canh 1cm thanh mot hinh hop chu nhat co kich thuoc la 15cm  11cm va 9cm. Sau do nguoi ta son 6 mat cua hinh hop  chu nhay vua xep . Co bao nhieu hinh lap phuong canh 1cm duoc son 3 mat ? Bao Nhieu hinh lap phuong canh 1cm duoc 4 mat

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 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

co 27 khoi lap phuong nho bang nhau duoc ghep thanh mot hinh lap phuong lon . nguoi ta son tat ca cac mat cua hinh lap phuong lon do .

a] co.... khoi hinh lap phuong nho duoc son 3 mat .

b]co...khoi lap phuong nho duoc son 2 mat .

c]co .... khoi lap phuong nho duoc sin 1 mat.

d]co ... khoi lap phuong nho khong duoc son mat nao .

  GHI CA CACH GIAI NUA NHA . LAM ON , HELP ME