题目

用正确的格式抄写下列内容(注意标点符号及大小写)。【1】birds biscuits yellow forty___________________________【2】I like milk and rice. ________________________________【3】Amy, can you jump high?__________________________________ 答案：【答案】【1】birds biscuits yellow forty【2】I like milk and rice.【3】Amy, can you jump high?【解析】略设的小数部分为a，的倒数为b，求b-a2的值．