文档介绍：+y2+z2-2x+4y-6z+14=O,则(x-y-z)2009=,y满足(x-1)3+2004y=1002,(y-1)3+2004x=3006,则x+y=.:1)()(22????babaab=、n为整数,且满足2m2+n2+3m+n-1=+n=△ABC中,BC=a,AC=b,AB=c,且满足a4+b4+21c4=a2c2+△+by=7,ax2+by2=49,ax3+by3=133,ax4+by4=406,则????17199562xyxyab?????.、b、c满足a2+b2+c2=1,111111()()()3???????abcbcacab,则a+b+c=.,y是实数,且m=x2-4xy+6y2-4x-4y,??,2124aa??,则baa?,b,c都是整数,且24ab??,210abc???,求abc???、y、z满足:2??yx,012222???zxy,求xyz???、b、c为三角形的三条边长,满足ac2+b2c-b3=°,、b、C为实数,222,1,3abcabcabc????????,则bc?=1,x+y+z=2,x2+y2+z2=??????、y为正整数,且满足2x2+3y2=4x2y2++y2=??????????????=+p2+p=.,n满足242443,23????????mnmmnmnnmn则=.+b=8,ab=c2+16,则a+2b+3c=.、y满足22524xyxy????,则代数式xyxy???,224xy??,则20042004xy?的值是。???分解因式,则222cba??=。()(1)6xyxy????,则xy?=。,bacacbcba?????bba))()((???=。、b、x、y满足3,5axbyaybx????。则????2222abxy???.、y、z满足x+y+z=5,xy+yz+zx=3,,b满足a3+b3+3ab=1,,则a+b=.:xyyyxx????42222=.,y满足,则x+:a2b2-6ab+a2-2a+10=0,a,b为实数,则)20)(20(1)2)(2(1)1)(1(11??????????bababaab?的值为。,y,z满足1??????yxzxzyzyx,则222xyzyzzxxy????????????,则1aa?(2)(1)1520060,2xxxxx?????????、b、c满足方程组222229218225abacbcabcabc??????????????,则a+b+c=??????214bcabca????且0a?,则bca?=.,ab为整数,且2211**********ababababab??????????????????????满足,则ab?=,abc???a=b+c,则ab-bc+ac的值为。??,0?xyz,且22233319951996199719951996xyz????31997?,则zyx111??=.、y满足x≥y≥1和2x2-xy-5x+y+4=+y=,b为实数,那么bababa222????的最小值是______。-3cb-2c3ac3a2b234??????,则2c-3ba3c2b-a??=.?????则222xyzxyyzzx????=、b、c为不等于零的实数,a+b+c=0,则a(c1b1?)+b(a1c1?)+c(b1a1?),y满足方程(x2+2x+3)(3y2+2y+1)=34,则x+y=.????????????????12345aaaaka????且a1+a2+a3+a4+a5≠