) 中图学技术大荸学系 University of Science and Technology of China DEPARTMENT OF MATHEMATICS (k+1) 122+…+y(h) (k) (k+1) (△yx1+ax(k)++a1 (k) b,) 22 (k+1) (an1x1+…+a (k) nn n-1 格式很简单: (k+1) (k) x +∑anx-b) =i+1数 学 系 University of Science and Technology of China DEPARTMENT OF MATHEMATICS           + + − − = + + + − − = + + − − =  − − + + + ( ) 1 ( ) 1 ( ) 1 ( ) 1 1 ( ) 1 1 ( 1) 2 ( ) 1 ( ) 2 3 3 ( ) 2 1 1 2 2 ( 1) 2 1 ( ) 1 ( ) 1 2 2 1 1 ( 1) 1 n k n n n k n n n k n k n n k k k k n n k k a x a x b a x a x a x a x b a x a x a x b a x     格式很简单： ( ) 1 1 ( ) 1 1 ( 1) ( ) i n j i k i j j i j k i j j i i k i a x a x b a x + − − =  = + − = +