摘要
“开心辞典”是人们喜欢参加的一个栏目 .介绍其中一个类型题目的一般解法及培养学生数感和运算能力的方法 .
Fun Dictionary” is a popular TV program. A certain type of the questions provides a good method for training mathematically-mindedness and the ability to calculate.
关键词
四则运算
四则运算符号
括号
数感
兴趣
four fundamental rules
symbol of the four fundamental operations of arithmetic
brackets
mathematically-minded
interest
