nguoi ta lam mot hop bang bia cat tong ko co nap danh hinh lap phuong co canh 0,7m.tinhS bia de lam cai hop do (biet S cac mep dan la 5,6dm2

• nguoi ta lam mot cai hop HCN bang giay cat tong canh 5 dm tinh dien tich bia can dung biet dien tich cac mep dan la 8,5 dm vuong
   

nguoi ta lam 1 cai hop dang hinh lap phuong bang bia , ko co nap . tinh dien tich bia dung de lam hop do, biet canh hinh lap phuong la 1dm8cm ( ko tinh mep dan)

AI LAM NHANH NHAT MINH TICK CHO

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]

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?

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 )

8 . nguoi ta lam mot cai thung ko 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 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)