问题描述：
Do me a favor.
How many positive whole numbers less than 81 are NOT equal to squares of whole numbers?
Positive whole number正整数
squares平方
我差不多已经被绕昏了
How many positive whole numbers less than 81 are NOT equal to squares of whole numbers?
Positive whole number正整数
squares平方
我差不多已经被绕昏了
问题解答：
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