图书馆有65本书,一年借走了19本,二年级借走了15本,现在还剩多少本?,N7F+W(d7D-k1x3`9Y/z7k(y0c0s9u
算式:提示*y2o;Q3z;d,N7F+W(d7D-k1x3`9Y/z7k(y0c0s9u
答:现在还剩-U6F3I-]-y,H(d9g-I;|本。,N7F+W(d7D-k1x3`9Y/z7k(y0c0s9u