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
một chiếc hộp giay hinh lap phuong khong co nap co dien tich toan phan la 180 dm2 tinh the tich chiec 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 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 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 dm2 (ko tinh mep dan )
nguoi ta lam mot cai hop bang ton ( ko co nap) dang hinh lap phuong co canh 10 cm tinh dien tich ton de lam hop (KO TINH MEP HAN)
bai 1 . nguoi ta tha 2 hon da co the tich nhu nhau vao mot be nuoc lam nuoc trong be dang them 1,2 dm . biet chieu dai be la 60 cm , chieu rong cua be la 35 cm , hay tinh the tich moi hon da .
bai 2 . hai chiec hop co the tich la 345 cm khoi . the tich hop thu nhat lon hon the tich hop thu hai 25 cm khoi . tinh the tich moi hop.
bai 3 . mot hinh lap phuong co the tich 64 dm khoi . tinh dien tich toan phan cua hinh lap phuong do .
bai 1 . nguoi ta tha 2 hon da co the tich nhu nhau vao mot be nuoc lam nuoc trong be dang them 1,2 dm . biet chieu dai be la 60 cm , chieu rong cua be la 35 cm , hay tinh the tich moi hon da .
bai 2 . hai chiec hop co the tich la 345 cm khoi . the tich hop thu nhat lon hon the tich hop thu hai 25 cm khoi . tinh the tich moi hop.
bai 3 . mot hinh lap phuong co the tich 64 dm khoi . tinh dien tich toan phan cua hinh lap phuong do .
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 )