[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:00.00,0:00:00.50,Default,,0000,0000,0000,,计算-15+(-46)+(-29)的总和 Dialogue: 0,0:00:00.50,0:00:01.00,Default,,0000,0000,0000,,现在我们来把她们形象化 Dialogue: 0,0:00:01.00,0:00:03.31,Default,,0000,0000,0000,,每一个数字代表什么意思呢? Dialogue: 0,0:00:03.31,0:00:06.62,Default,,0000,0000,0000,,那就让我来为她们各自画一条带数字的线吧。 Dialogue: 0,0:00:06.62,0:00:08.47,Default,,0000,0000,0000,,-15看起来就像这个样子。 Dialogue: 0,0:00:08.47,0:00:10.12,Default,,0000,0000,0000,,如果这儿是0,那我们可以说这儿是-15。 Dialogue: 0,0:00:10.12,0:00:12.50,Default,,0000,0000,0000,,我可以把-15用一个从0到-15的箭头来表示。 Dialogue: 0,0:00:12.50,0:00:15.65,Default,,0000,0000,0000,,箭头的长度就是这个数的绝对值。 Dialogue: 0,0:00:15.65,0:00:21.03,Default,,0000,0000,0000,,她代表的是从0到-15的距离。 Dialogue: 0,0:00:21.03,0:00:28.09,Default,,0000,0000,0000,,所以长度就是15 Dialogue: 0,0:00:28.09,0:00:31.70,Default,,0000,0000,0000,,负号的意思就是我们的箭头指向左边。 Dialogue: 0,0:00:31.70,0:00:33.34,Default,,0000,0000,0000,,所以绝对值是15。 Dialogue: 0,0:00:33.34,0:00:36.13,Default,,0000,0000,0000,,这也是箭头的长度。 Dialogue: 0,0:00:36.13,0:00:39.25,Default,,0000,0000,0000,,让我们用同样的方法来表示-46。 Dialogue: 0,0:00:39.25,0:00:42.07,Default,,0000,0000,0000,,我再画了一条带数字的线。 Dialogue: 0,0:00:42.07,0:00:43.65,Default,,0000,0000,0000,,我们把0定在这里。 Dialogue: 0,0:00:43.65,0:00:45.64,Default,,0000,0000,0000,,-46就将是在这里哦。 Dialogue: 0,0:00:45.64,0:00:53.04,Default,,0000,0000,0000,,注意相同的概念。 Dialogue: 0,0:00:53.04,0:00:55.58,Default,,0000,0000,0000,,-46与0之间的距离。 Dialogue: 0,0:00:55.58,0:00:59.92,Default,,0000,0000,0000,,另一种思路就是-46的绝对值。 Dialogue: 0,0:00:59.92,0:01:02.15,Default,,0000,0000,0000,,这一段的距离是46。 Dialogue: 0,0:01:02.15,0:01:04.56,Default,,0000,0000,0000,, Dialogue: 0,0:01:04.56,0:01:08.48,Default,,0000,0000,0000,, Dialogue: 0,0:01:08.48,0:01:14.87,Default,,0000,0000,0000,, Dialogue: 0,0:01:14.87,0:01:16.57,Default,,0000,0000,0000,, Dialogue: 0,0:01:16.57,0:01:21.55,Default,,0000,0000,0000,, Dialogue: 0,0:01:21.55,0:01:22.45,Default,,0000,0000,0000,, Dialogue: 0,0:01:22.45,0:01:25.49,Default,,0000,0000,0000,, Dialogue: 0,0:01:25.49,0:01:26.74,Default,,0000,0000,0000,, Dialogue: 0,0:01:26.74,0:01:30.19,Default,,0000,0000,0000,, Dialogue: 0,0:01:30.19,0:01:35.66,Default,,0000,0000,0000,, Dialogue: 0,0:01:35.66,0:01:40.60,Default,,0000,0000,0000,, Dialogue: 0,0:01:40.60,0:01:42.58,Default,,0000,0000,0000,, Dialogue: 0,0:01:42.58,0:01:45.03,Default,,0000,0000,0000,, Dialogue: 0,0:01:45.03,0:01:50.36,Default,,0000,0000,0000,, Dialogue: 0,0:01:50.36,0:01:54.95,Default,,0000,0000,0000,, Dialogue: 0,0:01:54.95,0:02:00.27,Default,,0000,0000,0000,, Dialogue: 0,0:02:00.27,0:02:02.10,Default,,0000,0000,0000,, Dialogue: 0,0:02:02.10,0:02:05.04,Default,,0000,0000,0000,, Dialogue: 0,0:02:05.04,0:02:07.36,Default,,0000,0000,0000,, Dialogue: 0,0:02:07.36,0:02:09.50,Default,,0000,0000,0000,, Dialogue: 0,0:02:09.50,0:02:12.11,Default,,0000,0000,0000,, Dialogue: 0,0:02:12.11,0:02:14.19,Default,,0000,0000,0000,, Dialogue: 0,0:02:14.19,0:02:16.16,Default,,0000,0000,0000,, Dialogue: 0,0:02:16.16,0:02:19.43,Default,,0000,0000,0000,, Dialogue: 0,0:02:19.43,0:02:20.89,Default,,0000,0000,0000,, Dialogue: 0,0:02:20.89,0:02:23.55,Default,,0000,0000,0000,, Dialogue: 0,0:02:23.55,0:02:25.27,Default,,0000,0000,0000,, Dialogue: 0,0:02:25.27,0:02:26.52,Default,,0000,0000,0000,, Dialogue: 0,0:02:26.52,0:02:32.57,Default,,0000,0000,0000,, Dialogue: 0,0:02:32.57,0:02:34.44,Default,,0000,0000,0000,, Dialogue: 0,0:02:34.44,0:02:36.14,Default,,0000,0000,0000,, Dialogue: 0,0:02:36.14,0:02:38.12,Default,,0000,0000,0000,, Dialogue: 0,0:02:38.12,0:02:42.05,Default,,0000,0000,0000,, Dialogue: 0,0:02:42.05,0:02:46.73,Default,,0000,0000,0000,, Dialogue: 0,0:02:46.73,0:02:48.98,Default,,0000,0000,0000,, Dialogue: 0,0:02:48.98,0:02:53.60,Default,,0000,0000,0000,, Dialogue: 0,0:02:53.60,0:02:58.72,Default,,0000,0000,0000,, Dialogue: 0,0:02:58.72,0:03:01.32,Default,,0000,0000,0000,, Dialogue: 0,0:03:01.32,0:03:04.60,Default,,0000,0000,0000,, Dialogue: 0,0:03:04.60,0:03:08.66,Default,,0000,0000,0000,, Dialogue: 0,0:03:08.66,0:03:11.33,Default,,0000,0000,0000,, Dialogue: 0,0:03:11.33,0:03:13.61,Default,,0000,0000,0000,, Dialogue: 0,0:03:13.61,0:03:15.72,Default,,0000,0000,0000,, Dialogue: 0,0:03:15.72,0:03:18.48,Default,,0000,0000,0000,, Dialogue: 0,0:03:18.48,0:03:19.71,Default,,0000,0000,0000,, Dialogue: 0,0:03:19.71,0:03:21.30,Default,,0000,0000,0000,, Dialogue: 0,0:03:21.30,0:03:25.20,Default,,0000,0000,0000,, Dialogue: 0,0:03:25.20,0:03:27.27,Default,,0000,0000,0000,, Dialogue: 0,0:03:27.27,0:03:30.66,Default,,0000,0000,0000,, Dialogue: 0,0:03:30.66,0:03:34.26,Default,,0000,0000,0000,, Dialogue: 0,0:03:34.26,0:03:36.10,Default,,0000,0000,0000,, Dialogue: 0,0:03:36.10,0:03:37.96,Default,,0000,0000,0000,, Dialogue: 0,0:03:37.96,0:03:39.04,Default,,0000,0000,0000,, Dialogue: 0,0:03:39.04,0:03:41.05,Default,,0000,0000,0000,, Dialogue: 0,0:03:41.05,0:03:44.31,Default,,0000,0000,0000,, Dialogue: 0,0:03:44.31,0:03:46.83,Default,,0000,0000,0000,, Dialogue: 0,0:03:46.83,0:03:49.73,Default,,0000,0000,0000,, Dialogue: 0,0:03:49.73,0:03:52.32,Default,,0000,0000,0000,, Dialogue: 0,0:03:52.32,0:03:54.07,Default,,0000,0000,0000,, Dialogue: 0,0:03:54.07,0:03:55.45,Default,,0000,0000,0000,, Dialogue: 0,0:03:55.45,0:03:57.21,Default,,0000,0000,0000,, Dialogue: 0,0:03:57.21,0:03:58.84,Default,,0000,0000,0000,, Dialogue: 0,0:03:58.84,0:04:00.78,Default,,0000,0000,0000,, Dialogue: 0,0:04:00.78,0:04:09.47,Default,,0000,0000,0000,, Dialogue: 0,0:04:09.47,0:04:11.73,Default,,0000,0000,0000,, Dialogue: 0,0:04:11.73,0:04:12.56,Default,,0000,0000,0000,, Dialogue: 0,0:04:12.56,0:04:23.85,Default,,0000,0000,0000,, Dialogue: 0,0:04:23.85,0:04:27.22,Default,,0000,0000,0000,, Dialogue: 0,0:04:27.22,0:04:33.64,Default,,0000,0000,0000,, Dialogue: 0,0:04:33.64,0:04:37.46,Default,,0000,0000,0000,, Dialogue: 0,0:04:37.46,0:04:40.03,Default,,0000,0000,0000,, Dialogue: 0,0:04:40.03,0:04:42.60,Default,,0000,0000,0000,, Dialogue: 0,0:04:42.60,0:04:44.86,Default,,0000,0000,0000,, Dialogue: 0,0:04:44.86,0:04:46.58,Default,,0000,0000,0000,, Dialogue: 0,0:04:46.58,0:04:48.07,Default,,0000,0000,0000,, Dialogue: 0,0:04:48.07,0:04:49.100,Default,,0000,0000,0000,, Dialogue: 0,0:04:49.100,0:04:51.98,Default,,0000,0000,0000,, Dialogue: 0,0:04:51.98,0:04:54.10,Default,,0000,0000,0000,, Dialogue: 0,0:04:54.10,0:04:57.13,Default,,0000,0000,0000,, Dialogue: 0,0:04:57.13,0:04:58.72,Default,,0000,0000,0000,, Dialogue: 0,0:04:58.72,0:05:12.65,Default,,0000,0000,0000,, Dialogue: 0,0:05:12.65,0:05:14.40,Default,,0000,0000,0000,, Dialogue: 0,0:05:14.40,0:05:15.98,Default,,0000,0000,0000,, Dialogue: 0,0:05:15.98,0:05:21.57,Default,,0000,0000,0000,, Dialogue: 0,0:05:21.57,0:05:23.62,Default,,0000,0000,0000,,-15+(-46)+(-29)的总和是多少呢? Dialogue: 0,0:05:23.62,0:05:27.40,Default,,0000,0000,0000,,想要算出结果,就让我们把这三个数形象化。 Dialogue: 0,0:05:27.40,0:05:32.09,Default,,0000,0000,0000,,每一个数字代表什么意思呢? Dialogue: 0,0:05:32.09,0:05:35.60,Default,,0000,0000,0000,,那就让我来为她们各自画一条带数字的线吧。 Dialogue: 0,0:05:35.60,0:05:40.92,Default,,0000,0000,0000,,-15看起来就像这个样子。 Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,, Dialogue: 0,9:59:59.99,9:59:59.99,Default,,0000,0000,0000,,\N