[好玩][數學]這個銅幣哪去了???
由 yll 於 星期六 二月 03, 2007 10:15 am
#ed_op#DIV#ed_cl##ed_op#P#ed_cl# 這天,太陽剛剛出來,阿凡提就騎著小毛驢趕集來了。阿凡提一邊逛著,一邊不住地和朋友們打著招呼。#ed_op#/P#ed_cl##ed_op#P#ed_cl##ed_op#FONT lang=ZH-CN face=細明體#ed_cl# 只聽見有人高喊他的名字,阿凡提回頭一看,原來是西瓜店老闆沙拉。此人既貪財又奸詐,還專門放高利貸剝削老百姓。阿凡提早就想找機會教訓教訓這傢伙。此時沙拉正手忙腳亂地賣著西瓜。阿凡提走過去,見西瓜半數是大的,半數是小的。#ed_op#STRONG#ed_cl##ed_op#FONT color=#0060bf#ed_cl#大西瓜一個銅幣買#ed_op#/FONT#ed_cl##ed_op#/STRONG#ed_cl##ed_op#/FONT#ed_cl##ed_op#STRONG#ed_cl##ed_op#FONT color=#0060bf#ed_cl#2#ed_op#FONT lang=ZH-CN face=細明體#ed_cl#只,小西瓜一個銅幣買#ed_op#/FONT#ed_cl#3#ed_op#/FONT#ed_cl##ed_op#/STRONG#ed_cl##ed_op#FONT lang=ZH-CN face=細明體#ed_cl##ed_op#STRONG#ed_cl##ed_op#FONT color=#0060bf#ed_cl#只。#ed_op#/FONT#ed_cl##ed_op#/STRONG#ed_cl#阿凡提對沙拉說:「啊,沙拉老弟,你可真笨,#ed_op#STRONG#ed_cl##ed_op#FONT color=#007f40#ed_cl#何不把大小西瓜合在一起,不論大小,按#ed_op#/FONT#ed_cl##ed_op#/STRONG#ed_cl##ed_op#/FONT#ed_cl##ed_op#STRONG#ed_cl##ed_op#FONT color=#007f40#ed_cl#2#ed_op#FONT lang=ZH-CN face=細明體#ed_cl#個銅幣買#ed_op#/FONT#ed_cl#5#ed_op#/FONT#ed_cl##ed_op#/STRONG#ed_cl##ed_op#FONT lang=ZH-CN face=細明體#ed_cl##ed_op#STRONG#ed_cl##ed_op#FONT color=#007f40#ed_cl#只來算,不是省事了嗎?」#ed_op#/FONT#ed_cl##ed_op#/STRONG#ed_cl#沙拉一聽,頓時眉開眼笑,連忙謝道:「阿凡提大哥真是聰明,果然名不虛傳。」#ed_op#/FONT#ed_cl##ed_op#/P#ed_cl##ed_op#P#ed_cl##ed_op#FONT lang=ZH-CN face=細明體#ed_cl# 過了沒多久,沙拉又急急忙忙地追上了阿凡提說:「#ed_op#STRONG#ed_cl##ed_op#FONT color=#ff0000#ed_cl#阿凡提大哥,我剛才用您教的方法賣了#ed_op#/FONT#ed_cl##ed_op#/STRONG#ed_cl##ed_op#/FONT#ed_cl##ed_op#STRONG#ed_cl##ed_op#FONT color=#ff0000#ed_cl#30#ed_op#FONT lang=ZH-CN face=細明體#ed_cl#只大西瓜、#ed_op#/FONT#ed_cl#30#ed_op#FONT lang=ZH-CN face=細明體#ed_cl#只小西瓜,真是快多了。可我點錢時發現只賣得#ed_op#/FONT#ed_cl#24#ed_op#FONT lang=ZH-CN face=細明體#ed_cl#個銅幣,而按老辦法賣#ed_op#/FONT#ed_cl#30#ed_op#FONT lang=ZH-CN face=細明體#ed_cl#只大西瓜應得#ed_op#/FONT#ed_cl#15#ed_op#FONT lang=ZH-CN face=細明體#ed_cl#個銅幣,#ed_op#/FONT#ed_cl#30#ed_op#FONT lang=ZH-CN face=細明體#ed_cl#只小西瓜應得#ed_op#/FONT#ed_cl#10#ed_op#FONT lang=ZH-CN face=細明體#ed_cl#個銅幣,合在一起一共#ed_op#/FONT#ed_cl#25#ed_op#/FONT#ed_cl##ed_op#/STRONG#ed_cl##ed_op#FONT lang=ZH-CN face=細明體#ed_cl##ed_op#STRONG#ed_cl##ed_op#FONT color=#ff0000#ed_cl#個銅幣,怎麼會少一個銅幣呢?#ed_op#/FONT#ed_cl##ed_op#/STRONG#ed_cl#」#ed_op#/FONT#ed_cl##ed_op#/P#ed_cl##ed_op#FONT lang=ZH-CN face=細明體#ed_cl##ed_op#P#ed_cl# 阿凡提暗自好笑,卻故作吃驚地說:「不會少一個銅幣吧,一定是你數錯了。」#ed_op#/P#ed_cl##ed_op#P#ed_cl# 沙拉左思右想,也不知這個銅幣哪裡去了,還真以為數錯呢。瞧,他又在瓜攤旁一遍一遍地數著銅幣。#ed_op#IMG src="http://yll.loxa.edu.tw/phpBB2/richedit/smileys//yy03.gif"#ed_cl##ed_op#/P#ed_cl##ed_op#P#ed_cl#轉自:#ed_op#A href="http://www.mathcn.com/Article_D/2005-11/143938386261293.htm"#ed_cl#http://www.mathcn.com/Article_D/2005-11/143938386261293.htm#ed_op#/A#ed_cl##ed_op#/P#ed_cl##ed_op#/FONT#ed_cl##ed_op#/DIV#ed_cl#