diện tích cần sơn là:
15x15x(6-1)=1125(cm2)
đáp số: 1125 cm2
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mot cai hop hinh lap phuong [ khong co nap ] canh 15cm. A] tinh the tich cai hop do? B]neu son tat ca cac mat ngoai cua hop do thi dien tich can son bang bao nhieu cm met vong ?
nguoi ta xep 1000 hlp nho canh 1 cm thanh 1 hlp lon . Hoi neu son 4 mat cua hlp lon thi co nhieu nhat bao nheu hlp nho 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 cac hlp co canh 1cm thanh 1hlp lon co s toan phan la 96cm2. Sau do nguoi ta son tat ca cac mat cua khoi lon do.Hoi bao nhieu hlp nho chi duoc son 3 mat? 2mat? 1 mat?Va ko duoc son mat nao?
Nguoi ta xep 100HLP nho canh 1cm thanh 1 HLP lon . Hoir neu dem son 4 mat cua HLP lon thi co bn HLP nho khong son mat nao ?
Ai nhanh minh tick cho OK nhe minh can gap lam nho cac ban do
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
Mai lam mot cai hop co dang hinh lap phuong khong co nap bang bia,co canh la 1,2dm.
a) Tinh dien tich bia de lam hop(khong ke cac mep dan)
b) Neu dem cac khoi lap phuong bang nhua co canh 4cm xep day hop thi xep duoc tat ca bao nhieu khoi nhua?
Mai lam mot cai hop co dang hinh lap phuong khong co nap bang bia co canh la 1,2dm.
a) Tinh dien tich bia de lam hop(khong ke cac mep dan).
b) Neu dem cac khoi lap phuong bang nhua co canh 4cm xep day hop thi xep duoc tat ca bao nhieu khoi nhua?
mot hop go hinh lap phuong co nap canh 35 cm. Neu son toan bo be mat cua cai hop do thi dien tich can son la bao nhieu cm2 ? tinh the tich cua hop go do?
ai nhanh minh tich nha