明明昨天看了9页书，今天看了7页，两天共看多少页？3l4A1F6F(@)p3p/n.I'p+I
算式：提示3B+N*n-Y(Q:G3l4A1F6F(@)p3p/n.I'p+I
答：两天共看5?8D.L1M-t*{'n页。3l4A1F6F(@)p3p/n.I'p+I