来源:https://twitter.com/242_jones/status/1710727337568878884
What’s ya answer?
https://pbs.twimg.com/media/F7zMhDmW0AAtZPL?format=jpg&name=large
以下开放解答
https://pbs.twimg.com/media/F73BVrUa8AExvTx?format=jpg&name=medium
Kai Jones给出来的答案是17
但回文大多回21
所以有回文表示:
真正计算方式为
https://pbs.twimg.com/media/F77IYAXWwAASMcQ?format=jpg&name=large
你答对了吗?