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Which number should come next in this series?
Which number should come next in this series?
游客
2023-10-16
34
管理
问题
Which number should come next in this series?
25, 24, 22, 19, 15, ?
选项
答案
10
解析
题目问下列数字接下来的数字是几? 观察题目所给一系列数字,我们发现后面一个数字比前面一个数字小,并且呈现递减的趋势。第二个数字是通过第一个数字减一得到的,第三个数字又是通过第二个数字减二得到的,第四个数字是通过第三个数字减三得到的,第五个数是通过第四个数减四得到的,那么第六个数应该是通过第五个数减五得到的,即15-5=10,所以答案为10。
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