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What is the next number in the following sequence? 1 - 2 - 3 - 5 - 8 - 13
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参考解析
解析：
序列中每一个数字都是前两个数字的和，最后的两个数是8和13，因此下一个数就是8与13的和。
序列中每一个数字都是前两个数字的和，最后的两个数是8和13，因此下一个数就是8与13的和。
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