11.
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.
(1) 可以,
(2)?/ 怎么算出来, (2) 不行的, 9+4/4. 25+4/4, 余1, 49+4/4, 余 3
可是答案给的是D 啊?
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