一袋手工纸有17张，丁丁用去9张，还剩多少张？8L5S9T9@3|2S)H
算式：提示+d-Y5a/Q(}7r5B8L5S9T9@3|2S)H
答：还剩0F0h1k)H7Q5D4V+J;Y(b张。8L5S9T9@3|2S)H