Các câu hỏi tương tự
Xep cac hinh lap phuong co canh 1 cm thanh 1 HHCN co CD la 15 cm , CR la 10 cm , CC la 7 cm , sau do nguoi ta dem son 6 mat cua hinh vua xep , vay so HLP nho ko duoc son mat nao la?
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 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 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 HLP nho canh 1 cm thanh mot HLP lon co canh 9 cm . sau do nguoi ta son cac mat ngoai cua HLP lon vua xep duoc . hoi co bao nhieu HLP nho duoc son 3 mat , 2 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
nguoi ta xep cac hlp canh 1cm thanh 1 hlp lon co S toan phan=96cm2.au do nguoi ta son cac mat cua khoi hop lon do
hoi co bao nhieu hlp khong dc 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 thanh 1 hinh lap phuong lon co canh 1.5 dm. sau do son 5 mat ngoai . hoi co bao nhieu hinh lap phuong nho son 1 mat va 2 mat