若a2+b2-2a+2b+2=0,则a2004+b2005=______.
(a-1)2+(b+1)2=0,则a2004+b2005=______.
已知a、b实数且满足(a2+b2)2-(a2+b2)-6=0,则a2+b2的值为______.
已知A=3a2+b2-c2,B=-2a2-b2+3c2,且A+B+C=0,则C=______.
已知a2+2ab+b2+(a-2)2=0,则b=______.
若a=2009,b=-2010,则a2+2b2+3ab=______.
若a+b=-3,ab=2,则a2+b2=______.
若a+b=4,则a2+2ab+b2的值为______.
如果实数a,b满足条件a2+b2=1,|1-2a+b|+2a+1=b2-a2,则a+b=______.
已知a-b=1,则a2-b2-2b的值为______.
若关于a,b的多项式3(a2-2ab-b2)-(a2+mab+2b2)中不含有ab项,则m=______.
若(a2+b2-1)2=16,则a2+b2值为______.
若a+2b=-3,a2-4b2=21,则a-2b+1=______.