Tính diện tích sàn nhà bạn An
san nha nha ba Thu hinh chu nhat co chieu dai 15m chieu rong it hon chieu dai 6m ba Thu mua loai gach lat nen hinh vuong co canh 6dm de lat san
a, tinh dien dien tich san nha ban An
b,biet rang moi thung co 5 vien gach. hoi ba thu can mua bao nhieu thung gach de du lat san
c, neu gia moi thung gach la 540000 dong va cong lat 1m2 san la 25000 dong hoi ba Thu pphai mat bao nhieu tien de mua gach va tra tien cong lat san
a, tinh dien dien tich san nha ban An
b,biet rang moi thung co 5 vien gach. hoi ba thu can mua bao nhieu thung gach de du lat san
c, neu gia moi thung gach la 540000 dong va cong lat 1m2 san la 25000 dong hoi ba Thu pphai mat bao nhieu tien de mua gach va tra tien cong lat san