nguoi ta dung go de lat san nen mot can phong hinh chu nhat co chieu dai 6m ,chieu rong 4m .hoi phai ton bao nhieu tien mua go de lat san ca can phong do ,biet gia tien 1m2 go san la 280000 dong ?
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.
nguoi ta dung go de lat san mot can phong hinh chu nhat co chieu dai 6m chieu rong 4m hoi phai ton bao nhieu tien mua go de lat san can phong do biet gia tien 1m2 go san la 280000 dong
Nguoi ta dung go de lat san mot can phong hinh chu nhat co chieu dai 6m,chieu rong 4m.Hoi phai ton bao nhieu tien mua go de lat san ca can phong do,biet gia tien 1m vuong go san la 280 000?
Mot can phong co nen nha la hinh vuong. Nguoi ta da dung 256 vien gach hoa cung la hinh vuong co chu vi la 120 cm de lat nen. Nay nguoi ta muon lat lai nen nha bang go van san. Moi thanh go van san co chieu dai la 8dm, chieu rong la 10cm. Can dung so thanh go van san la ................. thanh de lat vua kin nen nha can phong tren?
Nguoi ta dung go de lat san mot can phong hinh chu nhat co chieu dai 6m , chieu rong 4m . Hoi phai ton bao nhieu tien mua go de lat san ca can phong do , biet gia tien 1m vuong go san la 280 000 dong ?
LIKE DAY !***********
mot can phong hinh chu nhat co chieu dai 9m, chieu rong bang 3/5 chieu dai . nguoi ta dung nhung vien gach hinh vuongco canh 30cm de lat nen can phong do , moi vien gach con gia 45000 dong va tien cong de lat nen la 30000 dong /m vuong . hoi tien mua gach va cong lat nen cua can phong do la bao nhieu dong ?
Nguoi ta dung gach men de lat nen 1 can phong hinh chu nhat co chieu dai 8m,chieu rong 6m.hoi can bao nhieu tien de lat kin can phong do,biet gia tien 1m vuong gach men la 90 000 dong?
mot nen nha hinh chu nhat co chieu dai 8m, chieu rong bang 3/4 chieu dai.nguoi ta dung cac vien gach hinh vuong canh 4dm de lat nen nha, gia tien moi vien gach la 65000 dong.hoi lat ca nen nha thi het bao nhieu tien mua gach?