若a2+2a=1,则2a2+4a-1=______.
若a2+2a=1,则2a2+4a-1=______.
若实数a满足a2-2a+1=0,则2a2-4a+5=______.
若a2+a-1=0,则a3+2a2+2013=______.
若实数a满足a2-2a-1=0,则3a2-6a+5=______.
已知a2+a-1=0,则a3+2a2+2007的值为______.
已知a2+2a+1=0,则2a2+4a-3的值为______.
若3a2-a-2=0,则5+2a-6a2=______.
若a2+a=0,则2a2+2a+2013=______.
若a2+a=0,则2a2+2a+2007的值为______.
若实数a满足a2-2a=3,则3a2-6a-8的值为______.
若a+2b=-3,a2-4b2=21,则a-2b+1=______.
如果实数a,b满足条件a2+b2=1,|1-2a+b|+2a+1=b2-a2,则a+b=______.