小学生数学题 68
所有跟帖:
• =(a+b)^2+(c-d)^2=(a-b)^2+(c+d)^2, 但素数的二平方和, -乱弹- ♂ (59 bytes) () 10/27/2014 postreply 16:16:33
• 有直接的办法,比你这个复杂一点 -魁北克人- ♂ (58 bytes) () 10/28/2014 postreply 06:23:18
• =(a+b)^2+(c-d)^2=(a-b)^2+(c+d)^2, 但素数的二平方和, -乱弹- ♂ (59 bytes) () 10/27/2014 postreply 16:16:33
• 有直接的办法,比你这个复杂一点 -魁北克人- ♂ (58 bytes) () 10/28/2014 postreply 06:23:18
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