Các câu hỏi tương tự
ban lan dang xep nhung khoi lap phuong nho canh 1cm thanh 1 khoi lap phung lon co the tich la 512cm3 sau do ban lay ra 4 khoi lap phuong nho o 4 phia tren cua khoi lap phuong lon vua xep em hay tinh dien tich toan phan cua khoi con lai
nguoi ta xep 1000 khoi go hinh lap phuong nho canh 1cm thanh 1 khoi go hinh lap phuonh lon tinh dien tich toan phan cua khoi go lon.
nguoi ta xep 1728 khoi lap phuong nho canh dai 1cm thanh mot hinh lap phuong lon tinh do dai canh cua khoi hinh lap phuong lon
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 ?
xep mot khoi lap phuong nho canh 1cm thanh mot khoi dang hinh hop chu nhat lon co chieu dai 6cm ; chieu rong 4cm va chieu cao 3cm.
a)Tinh the tich hinh hop chu nhat xep duoc.
b)Tinh so khoi lap phuong nho dung de xep
nguoi ta xep khoi lap phuong nho canh 1cm thanh 1 khoi lap phuong lon tinh do dai canh cua khoi lap phuong lon
nguoi ta xep 1000 khoi lap phuong nho canh 1 cm thanh 1 khoi lap phuong lon . tinh s toan phan cua hinh lon ?
1331 hinh lap phuong nho canh 1 cm thanh 1 khoi lap phuong lon sau do nguoi ta son4 mat xung quanh va day tren cua khoi lap phuong xep duoc . hoi co bao nhieu hlp nho ko son mat nao