文字题教学一得

• 作 者: 方志泽
• 机 构: 景德镇市新坪小学
• 出 处: 江西教育
• 发表日期: 2004年期
• 关键词: 列式

我在教“45与39的和,除以45与39的差,商是多少?”这道题时,采用缩句、扩句的方法来讲。这道题缩句为“和除以差,商是多

I was teaching “the sum of 45 and 39, divided by the difference between 45 and 39, what is the quotient?” In this case, the method of reduction and expansion is used. This problem is abbreviated as "and divided by difference, business is more