1 cửa hàng có 32,8 tạ gạo,ngày1 cửa hàng bán được 3/4 số gạo,ngày2 cửa hàng bán được 3/4 số gạo còn lại.hỏi cửa hàng còn lại bao nhiêu kg gạo chưa bán? 1 người trung bình mỗi phút hít thở 15 lần,mỗi hít thở 0,55 lít ko khí, biết 1list ko khí nặng 1,3g . hãy tính khối lượng ko khí 6 người hít thở trong 1 giờ

Các câu hỏi liên quan

1. Breakfast / serve – where and when? Breakfast is served in Pierrot’s Restaurant between 7 and 9:30 am. 2. Dinner / serve – where and when? ……………………………………………………………………………………………… 3. Newspapers / sell – where? ……………………………………………………………………………………………… 4. Telephone calls / can make – where? ……………………………………………………………………………………………… 5. Rooms / clean – who by and how often? ……………………………………………………………………………………………… 6. Hot water / supply – when? ……………………………………………………………………………………………… 7. Films / show – where and when? ……………………………………………………………………………………………… D) Put the verbs in brackets into PAST SIMPLE PASSIVE: Two men ….. were seen ……. (see) breaking into a house in my street last night. The police …………………………. (call) and they arrived very quickly. One man ………………………. (catch) immediately. The other escaped, but he ……………………………. (find) very soon. Both men ………………………………… (take) to the police station where they ……………. ………………………. (question) separately by a police officer. The two men ……………….. ………………………. (charge) with burglary.