Nguoi ta lam mot cai hop khong nap bang bia cung dang hinh lap phuong co canh 1,5 dm . Hoi dien tich bia can dung de lam hop bang baonhieu nhieu de - ci - met vuong ( khong tinh mep dang )

nguoi ta lam mot cai hop khong nap bang bia cung dang hinh lap phuong co cạnh 1,5 dm .hoi dien tich bia can dung de lam hop bang bao nhieu dm^{2 (ko tinh mep dan )}

nguoi ta lam mot cai hop khong co nap bang bia cung dang hinh lap phuong co canh 2,5dm .tinh dien tich bia can dung de lam hop ( khong tinh mep dan)

Nguoi ta lam mot cai hop khong co nap bang bia cung dang hinh lap phuong co canh 6,2 m.Tinh dien tich bia can dung de lam hop (khong tinh mep dan ).

nguoi ta lam mot cai hop dang hinh hop chu nhat bang bia .biet rang hop do co chieu dai 5dm ,chieu rong 3dm va chieu cao 2dm .hoi co xep duoc bao nhieu hinh lap phuong 1de -xi-met khoi de day cai hop do ?

Nguoi ta lam mot cai hop ko co nap bang bia cung dang hinh lap phuong co canh 2,5 dm .Tinh dien tich bia can dung de lam hop [ko tinh mep dan]

nguoi ta lam mot cai hop dang hinh hop chu nhat bang bia cung co chieu dai 62,3cm chieu rong 41,2 cm chieu cao 23,3cm

tinh s tam bia can dung de lam cai hop do biet rang hop khong co nap va dien tich cac mep la 39,44cm2

ban hien lam mot cai hinh hop dang hinh hop chu nhat bang bia co chieu dai 25cm, chieu rong 12cm va chieu cao 10cm. Neu dan giay mau tat ca mat ngoai cua hop do thi ban hien can bao nhieu xang - ti - met vuong giay mau?

Nguoi ta lam mot cai hop ko co nap bang bia cung dang hinh lap phuong co canh 2,5 dm .Tinh dien tich bia can dung de lam hop [ ko tinh mep dan )