Editorial for VOI 21 Bài 1 - Tặng quà

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Stream kèm slide chữa đề VOI 2021 https://www.facebook.com/groups/VNOIForum/permalink/3839076132779859/

Comments

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  • -70
    GiaBaomtp12  commented on Sept. 16, 2023, 2:18 a.m.

    This comment is hidden due to too much negative feedback. Show it anyway.


    • 33
      NguyenHungBG  commented on Sept. 18, 2023, 3:54 a.m.

      Mong admin ban hết những thành phần như này đi