65.35.17().1 A 15 B 13 C 9 D 3
问题描述:
65.35.17().1 A 15 B 13 C 9 D 3
请帮大家看看有什么规律,
答
8的平方+1
6的平方-1
4的平方+1
2的平方-1
所以选择D
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