Ban Hoa xep cac hinh lap phuong nho canh 1cm thanh hinh ben. Hoi:

A Hinh ben co bao nhieu hinh lap phuong nho?

B Neu son cac mat ngoai cua hinh ben thi dien tich can son bang bao nhieu cm2

Ban hoa xep cac hinh lap phuong nho canh 1cm . Hoi

a, hinh ben co bao nhieu hinh lap phuong nho

b, neu son cac mat ngoai cua hinh ben thi dien tich can son bang bao nhieu cm2

ban hoa xep cac hinh lap phuong nho co canh 1cm hinh ben co bn hinh lap phuong

neu son mat ngoiai thi dien tich son bang bao nhieu met

hinh ben duoc xep boi cac hinh lap phuong nho 

a> trong hinh ben co bao nhieu hinh lap phuong nho

b>nguoi ta quet son tat ca cac mat cua hinh ben hoi co bao nhieu hinh lap phuong nho khong son mat nao

Nguoi ta xep cac hinh lap phuong nho co canh 1cm thanh mot hinh hop chu nhat co chieu dai 8cm , chieu rong 6cm  va chieu cao 5cm sau do quest son bon mat ben Hoi co tat ca bao nhieu hinh lap phuong nho duoc quet son 

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

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 ;

a) moi hinh lap phuong nho co may mat duoc son ?

b) dien tich duoc son cua moi hinh lap phuong nho la bao nhieu ?

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