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Which number should replace the question mark?[img]2011q4/ct_eyyjsaz2008_eyyjsa
Which number should replace the question mark?[img]2011q4/ct_eyyjsaz2008_eyyjsa
游客
2023-10-14
15
管理
问题
Which number should replace the question mark?
选项
答案
15
解析
In each line, add the two figures at the sides and divide by two to get the central figure.Therefore (17+13)÷2=15.
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