nguoi ta xep 800 cai banh vao cac hop ,moi hop bon cai. Sau do xep cac hop vao thung ,moi thung 5 cai.Hoi co bao nhieu thung banh

mot thung dung hang hinh hop chu nhat cochieu dai 1.2 m,chieu rong 0.4 va chieu cao la 0.8m

a. tinh the tich cua thung dung hang hinh hop chu nhat do

b.nguoi ta xep cac hop banh hinh lap phuong co canh 0.2m vao day thung dung hang.hoi thung chua bao nhieu hop banh?

c. khi chuyen thung banh ve cua hang,nguoi ta kiem tra co 96 cai banh bi vo.tinh so phan tram cai banh bi vo va tong so banh trong thung,biet rang moi hop co 80 cai banh

mot cai thung hinh lap phuong co canh 1,2m nguoi ta xep vao thung cac hop banh xa phong hinh hop chu nhat co cac kich thuoc 5cm,4cm,9cm hoi co the xep vao thung do bao nhieu hop banh xa phong 

khi xep ko chia cat hop xa phonng nao 

giup minh nha cam mon

Thiet bi may duoc xep vao cac hinh lap phuong co dien tich toan phan la 96 dm vuong. Nguoi ta xep cac hop do vao trong 1 cai thung hinh lap phuong lam bang ton khong co nap. Khi go mot thung nhu the het 3,2 m vuong ton . Hoi moi thung dung duoc bao nhieu hop thiet bi noi tren

thung thu nhat co 20 kg keo , thung thu hai co nhieu hon thung thu nhat la 0,5 kg keo . nguoi ta dem toan bo so keo nay dong vao cac hop , moi hop chua 0,75 kg keo . hoi co bao nhieu hop keo do ?

co mot so lit dau,neu chia deu vao cacthung nhu nhau,moi thung co 9lit dau thi duoc 8 thung va con thua 8 lit.hoi neu chia deu so dau do vao cac loai thung dung duoc 8 lit thi can bao nhieu thung?

1)nguoi ta xep mot so san pham vao cac thung de van chuyen neu xep mot thung 10 hoac 12 san pham thi con thua 3 san pham neu xep moi thung 9 san pham thi vua hrt biet so san pham nhieu hon 100 va khong qua 400 tinh so san pham do

2)co 30 quyen sach va 24 quyen vo duoc chia deu cho cac ban hoc sinh hoi

a)chia duoc nhieu nhat cho bao nhieu ban

b)tinh so sach so vo moi ban nhan duoc khi do?

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)

bai1:Mot khu rung hinh chu nhat co chieu dai 3km va chieu rong 2km.Hoi dien tich cua khu rung do bang bao nhieu ki-lo-met vuong?

bai2:mot cua hang nhan ve 186 thung banh, moi thung chua 72 goi banh.Neu tat ca so banh do xep vao cac thung, moi thung dung 120 goi thi can bao nhieu thung de xep het so banh do?

bai3:

a} 240000:80:125            b} {24500-490}:245              c} 750000:{ 25*125}