Nguoi ta xep 960 khoi lap phuong nho canh 1 cm thanh mot khoi hop chu nhat dai 12 cm; rong 10 cm.Sau do nguoi ta dem son 6 mat ngoai cua khoi hop vua xep duoc.Hoi co bao nhieu khoi hinh lap phuong nho khong son mat nao ?
Nguoi ta xep 960 khoi hinh lap phuong nho canh 1 cm thanh mot khoi hop chu nhat dai 12 cm; rong 10 cm.Sau do nguoi ta dem son 6 mat ngoai cua khoi hop vua xep duoc.Hoi co bao nhieu khoi hinh lap phuong nho duoc son 1 mat ?
Nguoi ta xep 960 khoi lap phuong nho canh 1cm thanh 1 khoi hop chu nhat dai 12cm rong 10cm .Sau do nguoi ta dem son 6 mat ngoai khoi hop vua xep duoc . Hoi co bao nhieu khoi lap phuong nho duoc son 2 mat
mot hinh hop chu nhat co chieu dai 12 cm ,chieu rong 10 cm chieu cao 8 cm nguoi ta son 6 mat ngoai cua hinh do .hoi co bao nhieu khoi lap phuong nho canh 1 cm khong son mat nao
1 hinh hop chu nhat co chieu dai la 14 cm , chieu rong la10, chieu cao la 10, nguoi ta xep bang cac hinh lap phuong nho canh 1 cm . sau do son 4 mat xung quanh . hoi co bao nhieu khoi lap phuong nho son 1 mat , son 2 mat/
nguoi ta xep 960 hinh lap phuong nho canh 1cm thanh 1 hinh hop chu nhat dai 12cm , rong 10 cm . sau do son 6 mat ngoai cua hinh vua xep duoc . hoi co bao nhieu hinh lap phuong nho duoc son 2 mat
1khoi hop chu nhat co kich thuoc 50*40*30 duoc xep boi cac khoi lap phuong canh 1 dm nguoi ta son cac mat ngoai cua khoi hop do hoi co bao nhieu hinh lap phuong nho khong duoc son
Nguoi ta xep 1000 khoi lap phuong nho canh 1 cm thanh 1 hinh lap phuong lon.Hoi neu dem son 4 mat hinh lap phuong lon thi co nhieu nhat bao nhieu khoi lap phuong be khong son mat nao?
mot khoi go hinh hop chu nhat co chieu dai 14 cm , chieu rong 10 cm , chieu cao 6 cm duoc son 6 mat . nguoi ta cua khuc go thanh 105 khoi lap phuong co canh 2 cm . Vay co :
a) ......khoi lap phuong duoc son 3 mat
b ) ....... khoi lap phuong duoc son 2 mat
c)......khoi lap phuong duoc son 1 mat
d)......khoi lap phuong khong duoc son mat nao ?