運算式 4: "n" Subscript, 1 , Baseline equals "e" Superscript, left parenthesis, negative "n" minus "l" Subscript, 2 , Baseline , right parenthesis , Baseline 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。n1=e−n−l2
4
運算式 5: "n" Subscript, 2 , Baseline equals "e" Superscript, left parenthesis, "n" minus "l" Subscript, 2 , Baseline , right parenthesis , Baselinen2=en−l2
5
運算式 6: "n" Subscript, 12 , Baseline equals StartFraction, "n" Subscript, 1 , Baseline Over left parenthesis, "n" Subscript, 1 , Baseline positive 1 , right parenthesis , EndFraction 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。n12=n1n1+1
6
運算式 7: "n" Subscript, 22 , Baseline equals StartFraction, "n" Subscript, 2 , Baseline Over left parenthesis, "n" Subscript, 2 , Baseline plus 1 , right parenthesis , EndFraction 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。n22=n2n2+1
7
運算式 8: "y" equals "n" Subscript, 22 , Baseline negative "n" Subscript, 12 , Baseline 有圖檔。 要進行圖形閱讀，請按 Alt + T 鍵。y=n22−n12
