1 thung nuoc hinh hop chu nhat dai 3dm, rong 2dm, cao 4dm, hoi thung chua bao nhieu lit nuoc?

a/ nguoi ta dung thung nay de do nuoc vao cai be hinh lap phuong dang chua nuoc canh 1,5 m, khi do duoc 100 thung thi duoc 90% the tich cua be, hoi luc dau trong be co bao nhieu lit nuoc?

de lam 1 thung ton khong nap dang hinh hop chu nhat co chieu dai 0,4 m chieu cao 0,5 m nguoi ta can 0,75 m ton 

tim chieu rong cua thung ton biet dien tich xung quanh la 0,65 m2

thung do chua bao nhieu lit nuoc 

nguoi ta dung thung ton do muc nuoc do vao 1 cai be hinh lap phuong co canh 2 m  hoi phai muc bao nhieu thung de 75% be co nuoc 

Mot thung chua hang co dang hinh hop chu nhat chieu dai 234cm , chieu rong 216cm , chieu cao 144cm . Nguoi ta muon xep cac hop nho dang hinh lap phuong vao trong thung chua hang do sao cho cac hop xep khit theo ca chieu dai, chieu rong , chieu cao cua thung . Canh cac hinh lap phuong co do dai lon nhat la bao nhieu ? ( so do cac canh hinh lap phuong la mot so tu nhien voi don vi la cm)

mot thung chua hang co dang hinh hop chu nhat chieu dai 320cm chieu rong 192cm chieu cao 224cm nguoi ta muon xep cac hop co dang hinh lap phuong vao trong thung chua hang sao cho cac hop xep khit nhau theo ca chieu dai va chieu rong va chieu cao cua thung canh cac hpop hinh lap phuong do co do dai lon nhat la bao nhieu?(sodo cac canh cua h inh lap phuong la 1so tu nhien voi don vi lacm

giup minh voi mai co tiet hoc roi 

mot chiec thung dang hinh hop chu hat co chieu dai 30 dm chieu rong 1,2 m va chieu cao 0.65m. nguoi ta do nuoc vao thung voi muc nuoc cao 4/5 chieu cao cua be hoi phai do bao nhieu lit nuoc de day be

Mot cai thung dang hinh hop chu nhat co chieu dai 30dm , chieu rong 1.2m va chieu cao 0.65m.Nguoi ta do nuoc vap thung voi muc nupc cao 4 phan 5cheu cao cua be,Hoi con phai do vao do bao nhieu lit nuoc thi day be?

mot thungg xach nuoc dang hinh hop chu nhat co chieu dai 0.3m chieu rong 0.2m chieu cao0.5m

a.hien trong thung dang chua 12 lit nuoc luong nuoc trong thung bang bao nhieu the tich thung?

b.thung chua day nuoc .nguoi ta tha vao thung 1 hon da nang 1.8 kg thi tran ra 1.2 lit nuoc 

hoi 1de xi met da nang bao nhieu kg?

1 cai be hinh hop chu nhat co cd 2m be khong co nuoc nguoi ta do vao be 120 thung mot thung 20l thi nuoc trong be dang cao 0,8m hoi tim chieu rong. NGUOI TA Do them vao be 60thung thi be day tim chieu cao

1 cai thung hinh hop chu nhat co chieu dai hon chieu rong 4 dm  , chieu cao = 10 dm , dien tich xung quanh  = 400dm nguoi ta dung cai thung do de dung cac hinh lap phuong co canh 2dm hoi thung dung duoc bao nhieu hinh lap phuong