一本故事书共有99页，小宋第一天看了27页，第二天看了28页，还剩多少页没看？2S.D)c1u/M9C*N'e
算式：提示(w'R.H4p2`)U-\2o1P(@/_9m2S.D)c1u/M9C*N'e
答：还剩)}3x4h'j;Y;p5{4M,S-L+G6^/b2b页没看。2S.D)c1u/M9C*N'e