[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:00.56,0:00:05.83,Default,,0000,0000,0000,,有份香蕉燕麥鬆餅的食譜中,需要3/4杯的 Dialogue: 0,0:00:05.83,0:00:07.82,Default,,0000,0000,0000,,老式燕麥 Dialogue: 0,0:00:07.82,0:00:10.74,Default,,0000,0000,0000,,你只要做食譜的1/2 Dialogue: 0,0:00:10.74,0:00:13.23,Default,,0000,0000,0000,,會用到多少鬆餅? Dialogue: 0,0:00:13.23,0:00:16.55,Default,,0000,0000,0000,,如果整份食譜需要用到3/4杯 Dialogue: 0,0:00:16.55,0:00:18.63,Default,,0000,0000,0000,,你只做食譜的一半,你需要的 Dialogue: 0,0:00:18.63,0:00:20.52,Default,,0000,0000,0000,,是3/4的一半,對吧? Dialogue: 0,0:00:20.52,0:00:23.10,Default,,0000,0000,0000,,你需要的是老式燕麥數量的一半 Dialogue: 0,0:00:23.10,0:00:24.33,Default,,0000,0000,0000,,在整份食譜中 Dialogue: 0,0:00:24.33,0:00:28.44,Default,,0000,0000,0000,,所以你要的是3/4的1/2 Dialogue: 0,0:00:31.01,0:00:35.86,Default,,0000,0000,0000,,所以你把1/2乘以3/4,就等於 Dialogue: 0,0:00:35.86,0:00:37.55,Default,,0000,0000,0000,,分子乘以分子 Dialogue: 0,0:00:37.55,0:00:40.59,Default,,0000,0000,0000,,1乘以3是3 Dialogue: 0,0:00:40.59,0:00:42.96,Default,,0000,0000,0000,,2乘以4是8 Dialogue: 0,0:00:42.96,0:00:43.82,Default,,0000,0000,0000,,這樣就完成了! Dialogue: 0,0:00:43.82,0:00:51.88,Default,,0000,0000,0000,,你需要3/8杯老式燕麥 Dialogue: 0,0:00:51.88,0:00:54.22,Default,,0000,0000,0000,,讓我們用圖示法表示,讓它看起來 Dialogue: 0,0:00:54.22,0:00:55.04,Default,,0000,0000,0000,,較為合理些 Dialogue: 0,0:00:55.04,0:00:59.56,Default,,0000,0000,0000,,我把3/4畫成這樣,或本質上 Dialogue: 0,0:00:59.56,0:01:02.40,Default,,0000,0000,0000,,在正常狀況中你所需要多少的燕麥,或是 Dialogue: 0,0:01:02.40,0:01:04.06,Default,,0000,0000,0000,,你要做出所有食譜的量 Dialogue: 0,0:01:04.06,0:01:06.95,Default,,0000,0000,0000,,讓我畫畫 Dialogue: 0,0:01:06.95,0:01:11.27,Default,,0000,0000,0000,,這代表整個杯子,我們將它 Dialogue: 0,0:01:11.27,0:01:15.04,Default,,0000,0000,0000,,分成四等分--讓我將它分好一點 Dialogue: 0,0:01:15.04,0:01:23.69,Default,,0000,0000,0000,,因此分成四等分,3/4代表3個 Dialogue: 0,0:01:23.69,0:01:28.29,Default,,0000,0000,0000,,所以這是1,2,3 Dialogue: 0,0:01:28.29,0:01:30.74,Default,,0000,0000,0000,,代表這麼多的麥片 Dialogue: 0,0:01:30.74,0:01:33.24,Default,,0000,0000,0000,,線再你只要一半,對吧? Dialogue: 0,0:01:33.24,0:01:35.11,Default,,0000,0000,0000,,因為你做食譜的一半 Dialogue: 0,0:01:35.11,0:01:39.32,Default,,0000,0000,0000,,所以我們可以將它分為兩半 Dialogue: 0,0:01:39.32,0:01:41.70,Default,,0000,0000,0000,,讓我換一個新顏色 Dialogue: 0,0:01:41.70,0:01:44.60,Default,,0000,0000,0000,,所以你要使用的就是和橘色一樣多的燕麥 Dialogue: 0,0:01:44.60,0:01:46.27,Default,,0000,0000,0000,,我們只做食譜的一半,所以你需要 Dialogue: 0,0:01:46.27,0:01:47.64,Default,,0000,0000,0000,,一半的燕麥 Dialogue: 0,0:01:50.44,0:01:54.93,Default,,0000,0000,0000,,所以你需要這麼多的燕麥。 Dialogue: 0,0:01:54.93,0:01:56.79,Default,,0000,0000,0000,,讓我們想想 Dialogue: 0,0:01:56.79,0:01:59.19,Default,,0000,0000,0000,,相對於整個杯子 Dialogue: 0,0:01:59.19,0:02:02.52,Default,,0000,0000,0000,,一種方式是我們將每個分成4份 Dialogue: 0,0:02:02.52,0:02:05.36,Default,,0000,0000,0000,,或是4小塊,將杯子的4個區塊 Dialogue: 0,0:02:05.36,0:02:07.63,Default,,0000,0000,0000,,分成8等分 Dialogue: 0,0:02:07.63,0:02:09.00,Default,,0000,0000,0000,,看看這樣做會發生什麼事 Dialogue: 0,0:02:09.00,0:02:13.26,Default,,0000,0000,0000,,所以我們將每個1/4小塊分成 Dialogue: 0,0:02:13.26,0:02:14.53,Default,,0000,0000,0000,,兩部份 Dialogue: 0,0:02:14.53,0:02:16.51,Default,,0000,0000,0000,,讓我們將它們分成兩半 Dialogue: 0,0:02:16.51,0:02:19.34,Default,,0000,0000,0000,,這是第一塊 Dialogue: 0,0:02:19.34,0:02:22.81,Default,,0000,0000,0000,,分成兩半 Dialogue: 0,0:02:22.81,0:02:24.25,Default,,0000,0000,0000,,這是兩小塊 Dialogue: 0,0:02:24.25,0:02:26.30,Default,,0000,0000,0000,,這是第2塊 Dialogue: 0,0:02:26.30,0:02:30.39,Default,,0000,0000,0000,,分成1小塊,2小塊 Dialogue: 0,0:02:30.39,0:02:32.98,Default,,0000,0000,0000,,這是第3塊,分成1,2小塊 Dialogue: 0,0:02:32.98,0:02:35.80,Default,,0000,0000,0000,,這是第4塊,或第4的區塊 Dialogue: 0,0:02:35.80,0:02:37.95,Default,,0000,0000,0000,,分成兩部份。 Dialogue: 0,0:02:37.95,0:02:45.49,Default,,0000,0000,0000,,現在,對整體來說,代表的分數是多少? Dialogue: 0,0:02:45.49,0:02:47.84,Default,,0000,0000,0000,,現在,我們有8小塊,對吧? Dialogue: 0,0:02:47.84,0:02:50.81,Default,,0000,0000,0000,,1,2,3,4,5,6,7,8因為 Dialogue: 0,0:02:50.81,0:02:53.38,Default,,0000,0000,0000,,我們將這4塊分成8小塊 Dialogue: 0,0:02:53.38,0:02:56.65,Default,,0000,0000,0000,,所以8是分母,我們要的是 Dialogue: 0,0:02:56.65,0:02:57.98,Default,,0000,0000,0000,,3/4的一半,對吧? Dialogue: 0,0:02:57.98,0:03:00.43,Default,,0000,0000,0000,,記住,3/4是橘色部份, Dialogue: 0,0:03:00.43,0:03:02.17,Default,,0000,0000,0000,,讓我把它弄清楚些,因為 Dialogue: 0,0:03:02.17,0:03:04.11,Default,,0000,0000,0000,,這樣的畫法會混淆 Dialogue: 0,0:03:04.11,0:03:06.28,Default,,0000,0000,0000,,這裡是3/4 Dialogue: 0,0:03:06.28,0:03:09.09,Default,,0000,0000,0000,,所以這是3/4 Dialogue: 0,0:03:09.09,0:03:19.62,Default,,0000,0000,0000,,紫色顏色部分是3/4的1/2 Dialogue: 0,0:03:19.62,0:03:22.02,Default,,0000,0000,0000,,但讓我們用8小塊來想想 Dialogue: 0,0:03:22.02,0:03:24.18,Default,,0000,0000,0000,,8塊中有幾塊是紫色的? Dialogue: 0,0:03:24.18,0:03:26.91,Default,,0000,0000,0000,,這裡有1個,2個 Dialogue: 0,0:03:26.91,0:03:30.82,Default,,0000,0000,0000,,3個,所以是3/8 Dialogue: 0,0:03:30.82,0:03:33.46,Default,,0000,0000,0000,,希望這樣有讓你理解或讓你 Dialogue: 0,0:03:33.46,0:03:35.26,Default,,0000,0000,0000,,了解圖形的意義 Dialogue: 0,0:03:35.26,0:03:36.80,Default,,0000,0000,0000,,當你在計算3/4的1/2的時候