一本书共有440页,已经看完了120页,还剩多少页没看?1a6}:v:z5C6N:P;n.d:c(@3W
算式:提示6A6P/y0s*N;\.X2M.G1a6}:v:z5C6N:P;n.d:c(@3W
答:还剩5`8L(@7x.F.z6E'a,s1J(y;~*G)L页没有看。1a6}:v:z5C6N:P;n.d:c(@3W