Help me answer this vietnamese question?

I'm trying to register on this forum and it keeps asking me this question:

Ba trừ Ba bằng mấy? (chú ý: trả lời bằng chữ thường tiếng Việt không dấu)

I wrote "0" but it didn't like my answer.

1 Answer

Relevance
  • Anonymous
    7 years ago
    Favorite Answer

    The answer should be "khong" (without quotation marks).

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