nguoi ta du dinh chua 63 lit dau vao 7 thung nhu nhau ,nhung thuc te moi thung chua it don du di la 2 lit .hoi can phai bao nhieu thung nhu vay moi dung het 63 lit dau?

MOt thung chua dau hinh hop chu nhat day la hinh vuong canh 3 dm nguoi ta rot vao thung 54 lit dau thi mat tren cach mieng thung 2dm tinh chieu cao cua thung

nguoi ta rot mot so lit dau vao mot so can can neu moi can chua 5 lit thi thua 5lit .Neu moi can chua 6 lit thi mot can khong co dau.Hoi co bao nhieu lit dau

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?

Mot cai hop co dang hinh hop chu nhat co chieu dai 36 cm chieu rong 24 cm va chieu cao 12 cm  . Nguoi ta xep cac hinh lap phuong nhu nhau canh 3 cm vao day hop do . Hoi can bao nhieu hinh lap phuong nhu the

Mot thung hinh hop chu nhat day la hinh vuong canh 3dm nguoi ta rot vao thung 54 lit dau thi mat tren cua dau cach mieng thung 2dm tinh chieu cao cua thung

co 58l dau rot day vao 5 can .hoi can nhieu nhat bao nhieu can de chua du so dau tren.

Mot cai hop co dang hinh hop chu nhat co chieu dai la 36 cm chieu rong 24 cm va chieu cao 12 cm .Nguoi ta xep cac hinh lap phuong nhu nhau canh 3 cm vao day hop do .Hoi can bao nhieu hinh lap phuong nhu the 

Cac ban giai ho minh nhe minh dang can gap

mot cai hop dang hinh hop chu nhat co chieu dai 36cm, chieu rong 24cm va chieu cao 12cm. nguoi ta xep cac hinh lap phuong nhu nhau canh 3cm vao day hop do. hoi can bao nhieu hinh lap phuong nhu the