“列方程”巧解古诗文中的数学问题

• 作 者: 李云霞
• 机 构: 甘肃省华亭县东华小学,
• 出 处: 中小学数学(小学版)
• 发表日期: 2010年10期
• 关键词: 古诗文 半群 数学问题 第三天 脚痛 八里关 解方程

问题1甲赶羊群逐草牧,乙牵一羊随其后。乙问甲羊及百否?甲云所说无差谬。若得这般一群羊,再添半群小半群,得你一只来方凑,玄机奥妙谁猜透?这首诗的意思是:甲赶着一群羊去放牧,乙牵着一只羊在后面。乙问甲有100只羊没有,甲回答说:“如果再加上这群羊同样多的羊,再添加这群羊的一半,再加这群羊的1/4,连同你牵的一只羊,正好100只。”

Question 1 to catch herd by grass grazing, B pull a sheep with the subsequent. B asked A sheep and whether or not? A cloud said no difference absurd. If such a flock of sheep, then add a small group of semi-small group, you have to come to a party, secret mystery who guess? The poem means: A group of sheep to go grazing, B holding a sheep Behind. B. If there are 100 sheep in question, A replies, “If you add the same number of sheep to the flock and add half of the flock, plus one quarter of the flock, together with one of your flocks Only sheep, just 100. ”