Các câu hỏi tương tự
mot can phong co chieu dai 6m , chieu rong 4m . Nguoi ta lat nen can phong , vien gach co hinh vuong canh 40cm va co gia 1 vien la 2000 dong . Hoi can phong do can bao nhieu vien gach va mat bao nhieu tien de mua so gach do ?
mot can phong hinh chu nhat co chieu dai la 12m, chieu rong bang 1\4 chieu dai. trong can phong do nguoi ta lat gach vuong canh 1\5 m. Hoi can bao nhieu vien gach de lat ?
nen cua mot hoi truong hinh chu nhat co chieu dai hon chieu rong 8m va chieu rong bang 3/5 chieu dai nguoi ta lat nen hoi truong do bang gach men moi met vuong gach gia 350 000 dong hoi can bao nhieu tien de mua gach men de lat kin nen hoi truong do
Mot phong hoc hinh chu nhat co tong do dai hai canh lien tiep lef 15m. Chieu dai hon chieu rong la 3m. Tinh dien tich can phong?De lat het can phong do nguoi ta phai dung het bao nhieu vien gach vuong co canh 30cm
mot phong hoc hinh chu nhat co tong do dai hai canh lien tiep la 15m. Chieu dai hon chieu rong la 3m.Tinh dien tich can phong? De lat het can phong do nguoi ta phai dung het bao nhieu vien gach vuong co canh 30cm?
De lat nen 1 phong hoc hinh chu nhat co chieu dai 15 m,chieu rong 6 m nguoi ta dung loai gach men hinh vuong canh 30 cm.Gia 1 vien gach la 2500 dong.Hoi can bao nhieu tien de lat kin phong hoc do?{khong tinh phan mach vua}
nen cu amot hoi truong hinh chu nhat co chieu dai hon chieu rong 8m va chieu rong bang 3/5 chieu dai.nguoi ta lat nen hoi truong do bang gach men , moi mat vuong gach gia tri 350000 dong. hoi can bao nhieu tien mua gach de lat kin nen hoi phong
de lat nen mot phong hoc hinh chu nhat,nguoi ta da dung loai gach men hinh vuong co cach 20cm.hoi can bao nhieu vien gach de lat kin phong hoc do,biet rang nen phong hoc co chieu rong 5m,chieu dai 8m va phan gach vua khong dang ke ?