Hộp thứ nhất là:243;hộp thứ hai là:162
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ca hai hop cua the tich la 405 cm3.biet 1/3 the tich cua hop thu hai bang 2/9 the tich cua hop thu nhat.tinh the tich cu moi hop
ca 2 hop co the tich 405 met khoi biet 1/3 the tich cua hop thu 2 bang 2/9 the tich cua hop thu nhat
hop thu nhat co the tich nho hon hop thu hai 1,2 dmkhoi. the tich hop thu nhat bang 3/5 the tich hop thu hai. tinh the tich moi hop
1) 1 cai thung ko nap dang HHCN co CD 9m, CR kem CD 3m,Cao 4m. Tinh dien tich ton de lam thung, biet rang dien tich cac mep hang la 1,05m2
2) Hop thu nhat co the tich la 4dm3 5cm3, hop thu hai co the tich bang 4/5 the tich hop thu nhat. Hoi hop thu hai co the tich la bao nhieu cm3?
cho 2 hinh hop chu nhat .the tich hop thu nhat lon hon the tich hop thu hai la 2,1 di xi met khoi . the tich hop thu hai bang 4/7 the tich hop thu nhat .tinh the tich moi hop
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 .
hai hop co the tich 345 cm khoi . the tich hop thu nhat lon hon the tich hop thu hai 25 cm khoi. tinh the tich moi hop
mot hinh hop chu nhat va hinh lap phuong co the tich bang nhau . Canh hinh lap phuong bang chieu cao cua hinh hop chu nhat .Biet hinh hop chu nhat co chieu dai 12cm, chieu rong 3cm va dien tich xung quanh la 90cm2. tinh the tich moi hinh ?