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rongj44

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hank612

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rongj44(feixiaolin´ú·¢): ½ð±Ò+25 2014-04-07 19:27:19
¿¼ÂÇ A=I_n, B=0, ÄÇô
J( (A+B)/2)=3/4*sqrt[n],  1/2*(J(A)+J(B))=1/2*(0+sqrt[n]).
ÓÉÓÚ 3/4 > 1/2, ËùÒÔJ²»ÊÇ͹µÄ¡£
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2Â¥2014-04-07 04:33:58
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

rongj44

½û³æ (СÓÐÃûÆø)

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3Â¥2014-04-07 18:45:12
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hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

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3Â¥: Originally posted by rongj44 at 2014-04-07 18:45:12
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4Â¥2014-04-08 00:57:03
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

hank612

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

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This is the original question of Lou2 Zhu3.
Please help.
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5Â¥2014-04-08 10:26:00
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