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2Â¥: Originally posted by hank612 at 2013-08-15 23:13:36
ÄãµÄºãµÈʽÊÇÓÉ x^2 - y^2 = (x-y) * (x+y) µÃµ½µÄ¡£
m^2-n^2=-2*m(m2-n2)-(m2-n2)^2 ÊÇ°Ñ ÓÒ¶Ëд³É (m2-n2) * (-2m - (m2-n2)), Ò²¾ÍÊÇ
(n2-m2)* (2m+ (m2-n2)).

µ±È»£¬ ÄãÒ²Ðí¼Ç´íÁË£¬ ÒòΪm=m1-m2,n=m1-n2 ...

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3Â¥2013-08-16 09:53:44
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huinafeng: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2013-08-16 09:54:00
ÄãµÄºãµÈʽÊÇÓÉ x^2 - y^2 = (x-y) * (x+y) µÃµ½µÄ¡£
m^2-n^2=-2*m(m2-n2)-(m2-n2)^2 ÊÇ°Ñ ÓÒ¶Ëд³É (m2-n2) * (-2m - (m2-n2)), Ò²¾ÍÊÇ
(n2-m2)* (2m+ (m2-n2)).

µ±È»£¬ ÄãÒ²Ðí¼Ç´íÁË£¬ ÒòΪm=m1-m2,n=m1-n2 ²ÅÄÜÄõ½ÉÏÃæµÄºãµÈʽ£¬ ¶ø²»ÊÇm=m1-m2,n=n1-n2¡£
We_must_know. We_will_know.
2Â¥2013-08-15 23:13:36
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