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77→49→36→18→?Work out which number should the question mark be.8题干要求根据数字序列的规律,找
77→49→36→18→?Work out which number should the question mark be.8题干要求根据数字序列的规律,找
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2024-08-09
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问题
77→49→36→18→?
Work out which number should the question mark be.
选项
答案
8
解析
题干要求根据数字序列的规律,找出问号处的数字是什么?通过观察发现,第二个数是前一个数的个位数和十位数相乘而得到的。问号处前面数字是18,相乘之后为8。由此可知本题答案。
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