Có bao nhiêu aldotetrose thu được khi xuất phát từ D-(+)- fructose

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Nhờ mng giải giúp e vs ạ.e đang cần gấp .thank you so much

trộn Cuo với oxit kim loại M htr 2 theo tỉ lệ số mol 1:2 được hh A. Cho 1 luồng khí CO nóng ( dư) đi qua 1,2g A đến PƯ hoàn toàn thu được chat rắn B. Để hòa tan hết B cần 50ml dd HNO3 1M, thu được dd C chỉ chứa muối của 2 kim loại và V lít khí NO duy nhất( ở đktc ). Xác định kim loại M và tính V

Giúp mình bài này với mn , cảm ơn ạ

1. 1,What...you(do)...at the moment? I(play)...computer games in my room] 2,solar energy(use)...by many countries in the world in the future 3,I think in the future Robots will be able(help)...us with the house work 4,She usually(leave)...home at 7o'clock every morning 5,Would you like (go)...(camp)...? 6,My mother advises me (learn)...these new words by heart 2. 1,Let's go to the movies Why 2,lan is taller than her sister lan's sister is 3,He is a safe cyclist he cyclist 4,these are eight hunderd stamps in hoa 's collection hoa's collection 5,it took Mr Hoang half an hour to walk yesterday Mr.Hoang spent 6,listening to music is more interesting than watching Tv I prefer Mong mn làm nhanh ạ tui xin cảm ơn!

Cho tam giác ABC cân tại A có cạnh bên bằng 15cm,cạnh đáy =18cm.Tính độ dài các đường cao Giải chi tiết giúp mình ạ

💔💚💕💌💞💢💢💝💝💌☮☮💥☮☪làm giúp mình 3/4

giúp mik hai bài hình này vs ạ mik đag cần gấp lắm

Look at the information about three shopping centres and complete the sentences using the adjectives below. Make any necessary changes. BOX: CROSSLANDS LAKEVIEW EASTGATE Shops and restaurants 185 230 200 Facilities cinema, bowling gym, cinema, arcade gym, spa, indoor climbing Children's play area no yes yes Parking spaces 2,000 . 7,000 4,500 Distance to city 0 miles - in town 15 miles 3 miles ĐIỀN NHỮNG TỪ SAU: bad • convenient • few • good • high • many • wide 1. Crosslands has far …………………………. parking spaces than Lakeview. 2. Lakeview has ……………………… number of shops and restaurants. 3. Eastgate doesn't have ………………………….. shops and restaurants as Lakeview. 4. For health and fitness, Eastgate has …………………………. facilities by far. 5. Crosslands has almost …………………………. a choice of shops and restaurants as Eastgate. 6. If you don't drive, …………………………. place to go shopping is Lakeview because it's so far away. 7. It is …………………………. for people with young children to go shopping at Eastgate than at Crosslands.