师:同学们,今年国家实行了“两免一补”,我们班一部分生活困难的同学已领到了新书,他们再不为交不起杂费,买不起书发愁了。那么,这些新书的价钱分别是多少呢?请同学们统计一下,然后同桌进行交流,相互检查一下统计的对不对,统计的全不全。学生各自投入到统计活动之中。师:谁来汇 Teacher: Students, this year the state implemented the “two exemptions and one subsidy.” Some students in our class who have difficulty in life have received new books. They do not worry about miscellaneous fees and books and books. So, what is the price of these new books? Please classmates statistics, and then communicate with the table, check each other’s statistics right, the statistics are incomplete. Students devote themselves to statistical activities. Teacher: Who will exchange