Các câu hỏi tương tự
Mot be boi dang hinh hop chu nhat co chieu dai 50m ,chieu rong 30m ,chieu cao 3m. hoi can bao nhieu vien gach men hinh chu nhat co chieu dai 25cm ,chieu rong la 20cm de lat kin phan ben trong be boi noi tren ? biet rang dien tich cac manh vua khong dang ke
1 be boi dang hinh hop chu nhat co chieu dai 50m , chieu rong 30 m chieu cao 3m . hoi can bao nhieu vien gach men hinh chu nhat co chieu rong 20cm va chieu dai 25cm de lat kin phan ben trong be boi noi tren ? Biet rang dien tih cac mach vua khong dang ke
mot be boi hinh hop chu nhat co chieu dai 50m,chieu rong 30m,sau 3m .hoi
a)can dug bao nhieu vien gach men ginh chu nhat co kich thuoc chieu rong 20 cm va chieu dai 25 cm de lat ben trong be boi noi tren
b) can dung bao nhieu lit nuoc de be boi day 95%the tich be boi do
mot be boi dang hinh hop chu nhat co kich thuoc trong long be la chieu dai 24m,chieu rong 18m.Be dang chua 453,6m muc nuoc trong be len toi 3/4 chieu cao cua be
a,Hoi chieu cao cua be la bao nhieu m?
b hoi be boi do neu chua day nuoc thi duoc bao nhieu m khoi?
c de tan trang lai be boi nguoi ta lat gach men xung quanh thanh be cao den 1,2m .Hoi phai can bao nhieu vien gach men hinh vuong co canh 0,3m de lat?Biet rang dien tich phan mach vua (ho) khong dang ke
De lat can phong hinh chu nhat,nguoi ta dung loai gach men hinh vuong co canh 30 cm.Hoi can bao nhiu vien gach de lat kin nen can phong do,biet rang can phong do co chieu rong 6m,chieu dai 9m?(Dien tich phan mach vua khong dang ke)
mot ho boi dang hinh hop chu nhat co cac kich thuoc ben trong long ho la :chieu dai 20 m , chieu rong 10 m va sau 1,2 m . nguoi ta lat gach men hinh vuong co canh 2 dm xung quanh [ben trong ] va day ho {ko ke cac mach vua .tinh dien tich phan lat gach ,
b, so vien gach can mua de lat
de lat nen mot cai san hinh chu nhat co chieu dai 24 m, chieu rong 18 m, nguoi ta dung gach hinh vuong co canh dai 30 cm . hoi can bao nhieu vien gach de lat kin nen cai san do ? ( coi phan dien tich mach vua khong dang ke ).
de lat nen mot can phong hinh chu nhat nguoi ta dung loai gach men hinh vuong co canh30cm hoi:can bao nhieu vien ganh de lat kinh nen can phong do biet rang can phong co chieu rong 6m chieu dai 9m dien tich phan mach vua khong dang ke
Mot be voi co chieu dai 50m chieu rong 30m chieu sau 3m
a) can bao nhieu vien gach men hinh Chu nhat co kich thuoc 20cm*25cm de lat kin Ben trong be do
b) Can bao nhieu lit nuoc de bom day 95pham tram the tich be