结论
tieddog的解答是官方答案;
keessa的解法很好,可以发特别奖,奖金是跟下届罗贝尔数学奖一起分~~~
所有跟帖:
• Both x^2+3y & y^2+3x squares. -tieddog- ♂ (71 bytes) () 02/05/2014 postreply 10:52:35
• Both x^2+3y & y^2+3x squares. -tieddog- ♂ (71 bytes) () 02/05/2014 postreply 10:52:35