Chúng tôi có thể giúp gì cho bạn?
Không tìm thấy nội dung mà bạn muốn tìm?
Bài đăng mới1 bình luận
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Hi Maria, thanks so much for taking out the time to write to us.
Regarding your issue with the same skills appearing for you, the system might be recycling of the same problems. This could be because you exhausted the content, however, rest assured that the team is currently looking into this.
If this is not the case, then please submit a support ticket in our Help Center: http://khan.co/KA-support.
Bài đăng bị đóng bình luận.