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一道DS题
If p is a positive odd integer, what is the remainder when p is divided by 4 ?
(1) When p is divided by 8, the remainder is 5.
(2) p is the sum of the squares of two positive integers.
答案是D 1)条件可以推出 这个我懂~~~为什么2)也能推出啊??帮助解释一下 谢谢 |
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