﻿[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,49只能被7整除（1和本身除外） 但50不能被7整除 Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,98和100都能被2整除 Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,98除以2是49 100除以2是50 Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,也就是12加-- Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,分子分母同除以2 Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,同除以2 Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,因为有公因数2 Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,所以12.98的带分数形式就是12又49/50 Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,所以已经不能再化简了 Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,这样就化到最简了 Dialogue: 0,0:00:00.52,0:00:06.43,Default,,0000,0000,0000,,把12.98化成带分数 Dialogue: 0,0:00:06.43,0:00:10.10,Default,,0000,0000,0000,,首先要知道 Dialogue: 0,0:00:10.10,0:00:14.20,Default,,0000,0000,0000,,12.98就是12+0.98 Dialogue: 0,0:00:14.20,0:00:18.59,Default,,0000,0000,0000,,这样问题就简单了 Dialogue: 0,0:00:18.59,0:00:23.72,Default,,0000,0000,0000,,只要写成12和 Dialogue: 0,0:00:23.72,0:00:26.30,Default,,0000,0000,0000,,0.98的分数的和就可以了 Dialogue: 0,0:00:26.30,0:00:27.95,Default,,0000,0000,0000,,所以只要能把0.98写成一个分数 Dialogue: 0,0:00:27.95,0:00:30.76,Default,,0000,0000,0000,,问题就解决了 Dialogue: 0,0:00:30.76,0:00:36.38,Default,,0000,0000,0000,,下面来看 Dialogue: 0,0:00:36.38,0:00:40.73,Default,,0000,0000,0000,,9是在十分位 Dialogue: 0,0:00:40.73,0:00:43.81,Default,,0000,0000,0000,,标记一下 十分位 Dialogue: 0,0:00:43.81,0:00:53.05,Default,,0000,0000,0000,,这是百分位 Dialogue: 0,0:00:53.05,0:00:59.60,Default,,0000,0000,0000,,有两种方法 Dialogue: 0,0:00:59.60,0:01:07.44,Default,,0000,0000,0000,,可以把9看成9/10 然后加8/100 Dialogue: 0,0:01:07.44,0:01:15.46,Default,,0000,0000,0000,,然后找到最小公分母 化成相应形式 Dialogue: 0,0:01:15.46,0:01:22.24,Default,,0000,0000,0000,,即90/100+8/100 Dialogue: 0,0:01:22.24,0:01:25.47,Default,,0000,0000,0000,,得到98/100 Dialogue: 0,0:01:25.47,0:01:32.96,Default,,0000,0000,0000,,0.98即98/100 Dialogue: 0,0:01:32.96,0:01:37.39,Default,,0000,0000,0000,,或者还可以这么看 Dialogue: 0,0:01:37.39,0:01:42.70,Default,,0000,0000,0000,,看最小的数位 这里最小的是百分位 Dialogue: 0,0:01:42.70,0:01:47.06,Default,,0000,0000,0000,,前边看成一个整体 就是百分之九十八 98/100 Dialogue: 0,0:01:47.06,0:01:52.02,Default,,0000,0000,0000,,这样就方便很多 Dialogue: 0,0:01:52.02,0:01:57.74,Default,,0000,0000,0000,,那么 要写成带分数的话 Dialogue: 0,0:01:57.79,0:02:01.13,Default,,0000,0000,0000,,把0.98写成分数换下来 就是12又98/100 Dialogue: 0,0:02:01.13,0:02:06.61,Default,,0000,0000,0000,,还需要再化简一下 Dialogue: 0,0:02:06.61,0:02:11.00,Default,,0000,0000,0000,,看看能不能再化简