<?xml version="1.0" encoding="utf-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"><channel><title>MagicLen</title><link>https://magiclen.org/tag/balls-balance-scale/feed</link><description>多元化原創文章，內容包羅萬象，有程式語言、網站應用、軟體介紹、硬體介紹、作業系統、旅行遊記、專題採訪、益智問題、文學創作，以及作者們的知識分享和作品分享。</description><language>zh-TW</language><lastBuildDate>Sat, 11 Apr 2026 03:38:56 +0000</lastBuildDate><sy:updatePeriod>hourly</sy:updatePeriod><sy:updateFrequency>8</sy:updateFrequency><sy:updateBase>1970-01-01T00:00+00:00</sy:updateBase><item><title>5顆球，找出其中不一樣的2顆球</title><link>https://magiclen.org/5balls-2balls</link><description><![CDATA[    <img src="https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-220x162.png" srcset="https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-220x162.png 1x, https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-440x324.png 2x, https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-660x486.png 3x" alt="">
有5顆外觀、大小相同的紅色小球，其中3顆的重量相同；另2顆的重量與其他3顆的不一樣，而且不知道重量是比較輕還是比較重。已知那2顆球不是等重就是等輕，現在給你一個天秤，再給你3次使用天秤的機會，請找出那2顆不同的球。]]></description><category>益智問題</category><category>球與天秤</category><guid>https://magiclen.org/5balls-2balls</guid><pubDate>Wed, 23 Oct 2013 12:14:11 +0800</pubDate><dc:creator>Magic Len</dc:creator></item><item><title>成雙成對</title><link>https://magiclen.org/pair-balls</link><description><![CDATA[    <img src="https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-220x162.png" srcset="https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-220x162.png 1x, https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-440x324.png 2x, https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-660x486.png 3x" alt="">
有紅、綠、藍三種不同顏色、不知材質的小球各一對。每一對外觀相同，都有一顆較重的小球和一個較輕的小球，而且該重量差距極小，無法光靠人體感官判斷出來。已知三種顏色中較重的小球都一樣重，較輕的也都一樣輕。現在給你一個天秤，再給你2次使用天秤的機會，請你把這些球中較輕的球分類出來。]]></description><category>益智問題</category><category>球與天秤</category><guid>https://magiclen.org/pair-balls</guid><pubDate>Wed, 23 Oct 2013 12:09:55 +0800</pubDate><dc:creator>Magic Len</dc:creator></item><item><title>13顆球，找出其中不一樣的球</title><link>https://magiclen.org/13-balls</link><description><![CDATA[    <img src="https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-220x162.png" srcset="https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-220x162.png 1x, https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-440x324.png 2x, https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-660x486.png 3x" alt="">
有13顆外觀、大小相同的紅色小球，其中12顆的重量相同；另1顆的重量與其他12顆的不一樣，而且不知道重量是比較輕還是比較重。現在給你一個天秤，再給你3次使用天秤的機會，請找出那顆不同的球。]]></description><category>益智問題</category><category>球與天秤</category><guid>https://magiclen.org/13-balls</guid><pubDate>Wed, 23 Oct 2013 11:46:40 +0800</pubDate><dc:creator>Magic Len</dc:creator></item><item><title>12顆球，找出其中不一樣的球</title><link>https://magiclen.org/12-balls</link><description><![CDATA[    <img src="https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-220x162.png" srcset="https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-220x162.png 1x, https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-440x324.png 2x, https://magiclen.org/wp-content/uploads/2013/11/1456841599_icon-93-660x486.png 3x" alt="">
有12顆外觀、大小相同的紅色小球，其中11顆的重量相同；另1顆的重量與其他11顆的不一樣，而且不知道重量是比較輕還是比較重。現在給你一個天秤，再給你3次使用天秤的機會，請找出那顆不同的球。]]></description><category>益智問題</category><category>球與天秤</category><guid>https://magiclen.org/12-balls</guid><pubDate>Wed, 23 Oct 2013 11:39:36 +0800</pubDate><dc:creator>Magic Len</dc:creator></item></channel></rss>