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Nguyễn Ngọc Minh
Giới thiệu về bản thân
Vui quá là vui
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0
2024-04-01 20:11:17
đỉnh thế
2024-03-28 21:01:31
Em đăng kí tham gia ạ, em nộp ở chat olm
2024-03-28 20:46:23
Em đăng kí tham gia ạ. Em nộp bài qua chat olm ạ.
2023-12-10 19:34:20
1, SO3+H2O->H2SO4
2, H2SO4+Na2SO3->Na2SO4+H2O+SO2
3, SO2+2NaOH->Na2SO3+H2O
4, Na2SO3+H2SO4->Na2SO4+H2O+SO2
2023-11-16 08:45:52
2023-11-16 08:45:52
2023-11-16 08:45:52
2023-10-22 21:46:35
Nhà em ở gần đó cô ạ
2022-11-06 20:26:42
1. Hệ vận động
2. Hệ tiêu hoá
3. Hệ tuần hoàn
4. Hệ hô hấp
5. Hệ thần kinh
2022-09-18 10:44:22
B