根号2加根号3的2010次方乘根号2减根号3的2011次方
=(根号2+根号3)^2010 *(根号2-根号3)^2010 *(根号2-根号3)
=[(根号2+根号3) *(根号2-根号3)]^2010 *(根号2-根号3)
=[(4-3)]^2010 *(根号2-根号3)
=根号2-根号3