Các câu hỏi tương tự
nguoi ta xay mot cai cot tru co the tich 0,2 m3 bang loai gach bang HHCN co chieu dai 22 cm chieu rong 10 cm chieu cao 5 cm tinh so vien gach dung de xay cai cot tru do biet the tich phan gach vua la 0,035 m3
Nguoi ta xay mot cai chu co the tich 0,2 m 3 bang loai gach hinh hop chu nhat co chieu dai 22cm chieu rong 10cm chieu cao 5 cm tinh so vien gach dung de xay cai Chu do biet the tich phan gach vua La 0,035 m3
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 mot cai san hinh chu nhatco chieu dai la 24 m chieu rong la 18 nguoi ta dung gach hinh vuong co canh dai la 30cm hoi can bao nhieu vien gach de lat nen cai san do (dien tich mach vua khong dang ke)
nguoi ta dung cac vien gach hinh vuong co canh 50cm de lat mot san choi hinh chu nhat co chieu dai 54m va chieu rong 42m biet dien tich cac mach vua khong dang ke so vien gach can dung
mot can phong dang hinh hop chu nhat co chieu dai 6,5m, chieu rong 5m, chieu cao 3m. nguoi ta op gach bon buc tuong bang ac vien gach hinh vuong co canh 0,4m. tinh so vien gach can de op tuong. biet rang dien tich cac canh cua la 21,32m vuong.
Mot can phong hinh chu nhat co chieu dai 8m,chieu rong bang 3/4 chieu dai . De lat nen can phong do, nguoi ta dung loai gach men hinh vuong canh 4 dm. Hoincan phong duoc lat bang bao nhieu vien gach men do. ( Phan dien tich mach vua ko 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)
nguoi ta lam mot cai hop dang hinh hop chu nhat bang bia cung co chieu dai 62,3cm chieu rong 41,2 cm chieu cao 23,3cm
tinh s tam bia can dung de lam cai hop do biet rang hop khong co nap va dien tich cac mep la 39,44cm2