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trong số các công thức hóa học sau công thức nào viết đúng và viết sai ? hãy chứng minh?nêu sai hãy sửa lại:a , Al(NO3)2 b, NA2P04 c, CACl3
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ĐỔI SANG CÂU CHỦ ĐỘNG 1: these apples are being eaten 2: cookbooks are being read by Sam 3: my school is being decortated 4: this banana is being drawm by nina 5: our rooms are being painted by sam now 6: the door is being closed 7: the window is being opened 8: books are being opened 9: my dogs are being looked for 10: the computer is being turned on ĐỔI TỪ CÂU CHỦ ĐỘNG SANG CÂU BỊ ĐỘNG 1: last year mrs. nina taught me both English and science 2: she broke my laptop 3: I sent my children to sunner camp 4: she caught the thief 5: the secretary finished the report last night 6: sam sent a gift to his father 7: tom wrote his report on his way to work 8: i bought this house last year 9: he lost his newspapers yesterday 10: i bought my girlfriend to the party yesterday CHUYỂN SANG CÂU BỊ ĐỘNG 1: tom has seen thos film before 2: nina has read the neespaper already 3: they have seen these movies yet 4: i have singed the contract 5: these men have bought the tickets 6: i have bought this teddy bear in that shop 7: vicky has found her hat 8: i have finished the report 10: have done my exercise for three days MONG MN GIÚP EM VỚI MAI EM NỘP RỒI 🙏

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