Các câu hỏi tương tự
mot vien gach hinh hop chu nhat co chieu dai 25cm chieu rong kem chieu dai 13cm chieu cao bang nua chieu rong .Hoi vien gach do nang bao nhieu kg biet rang 3cm3 gach nang 3 gam
Mot can phong hinh chu nhat co chieu dai 8m, chieu rong bang 3/4 chieu dai. De lat kin nen can phong do nguoi ta dung loai gach men hinh vuong canh 4 dm
a) Hoi de lat kin can phong do can bao nhieu vien gach?
b) Biet rang de lat 1m vuong gach men het 75 000 dong. Vay de lat het can phong do thi het bao nhieu tien ?
De nat mot can phong hinh chu nhat , nguoi ta dung gach men hinh vuong co canh 30 cm . Hoi can bao nhieu vien gach de nat kin nen can phong do , biet rang can phong co chieu rong 6m , chieu dai 9m
mot vien gach nang bang 1/4 vien gach va 750 g .hoi 4vien gach do nang bao nhieu
mot khu dat hcn co dien tich 1701 m vuong va chieu rong bang 3/7 chieu dai . hoi can bao nhieu vien gach de xay bao quanh khu dat do , biet rang buc tuong cao 1,5 m , moi met can 60 vien gach va o mot phia nguoi ta de loi ra vao rong 4 met
de lat nen mot can phong hinh chu nhat nguoi ta dung loai gach men hinh vuong canh 80cm . Hoi phai can bao nhieu vien gach de lat kin can phong do , biet rang can phong co chieu dai 9m, chieu rong 5m
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
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 rong 20cm va chieu dai 25cm de lat kin phan ben trong be boi noi tren biet rang dien tich cac mach vua khong dang ke
Mot can phong hinh chu nhat co chu vi bang 40m. Chieu dai hon chieu rong 4m. Trung binh co 1m nen nha can 10 vien gach hoa de lat . Gia 1 vien gach la 12500 dong . Hoi .
a) Phai dung bao nhieu vien gach hoa de lat kin nen.
b) Tong so tien de lat can phong biet tien cong tho la 200000 dong.