They are the same meaning. It depends on the situation but I use 一回 for daily conversations and 一度 for write a sentence or a formal way to say. Good Luck!
3 mars 2016
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No difference.
Both 回 and 度 are used for "how many times". It's common to say 1度 and 2度, but it's a bit less common 3度 and we never say 4( or more)度. Be careful.
3 mars 2016
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