11 thoughts on “30 Đề học sinh giỏi Toán lớp 2

  1. http://bitly.com/3scqlff says:

    This design is spectacular! You definitely know how to keep a reader amused.
    Between your wit and your videos, I was almost moved to start my own blog (well, almost…HaHa!) Wonderful job.
    I really loved what you had to say, and more than that, how you presented it.

    Too cool! 0mniartist asmr

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