[Script Info] Title: [Events] Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text Dialogue: 0,0:00:00.40,0:00:02.41,Default,,0000,0000,0000,,当地的杂货店9点开门 Dialogue: 0,0:00:02.41,0:00:04.14,Default,,0000,0000,0000,,它的停车场有6排 Dialogue: 0,0:00:04.14,0:00:06.55,Default,,0000,0000,0000,,每排可以停7辆车 Dialogue: 0,0:00:06.56,0:00:08.27,Default,,0000,0000,0000,,每辆车有4个轮子 Dialogue: 0,0:00:08.27,0:00:11.20,Default,,0000,0000,0000,,请问这个停车场可以停多少辆汽车? Dialogue: 0,0:00:11.20,0:00:13.81,Default,,0000,0000,0000,,我建议你暂停视频,先自己想一下这个问题 Dialogue: 0,0:00:13.81,0:00:15.33,Default,,0000,0000,0000,,试试自己弄清楚 Dialogue: 0,0:00:15.97,0:00:17.96,Default,,0000,0000,0000,,所以,我们把题目重新读一遍 Dialogue: 0,0:00:17.96,0:00:20.01,Default,,0000,0000,0000,,当地的杂货店9点开门 Dialogue: 0,0:00:20.01,0:00:23.94,Default,,0000,0000,0000,,其实,这个都不要紧。如果我们在考虑可以停多少辆车 Dialogue: 0,0:00:23.94,0:00:25.54,Default,,0000,0000,0000,,这些背景信息都不需要关注 Dialogue: 0,0:00:25.54,0:00:27.90,Default,,0000,0000,0000,,我们也不需要关注车有多少个轮子 Dialogue: 0,0:00:27.90,0:00:30.12,Default,,0000,0000,0000,,题目没有问我们这个停车场可以装多少轮子 Dialogue: 0,0:00:30.12,0:00:31.47,Default,,0000,0000,0000,,所以我们完全可以忽略 Dialogue: 0,0:00:31.47,0:00:34.49,Default,,0000,0000,0000,,我们真正关心的是有多少排(汽车) Dialogue: 0,0:00:34.49,0:00:36.23,Default,,0000,0000,0000,,以及每排可以停放多少辆汽车 Dialogue: 0,0:00:36.24,0:00:43.69,Default,,0000,0000,0000,,我们已知的是有6排,每排可以停放7辆 Dialogue: 0,0:00:43.69,0:00:46.98,Default,,0000,0000,0000,,我们就有6组7 Dialogue: 0,0:00:46.99,0:00:48.62,Default,,0000,0000,0000,,或者,换个方式思考这个问题 Dialogue: 0,0:00:48.64,0:00:52.29,Default,,0000,0000,0000,,我们将有6乘以7(这么多汽车)可以停到停车场 Dialogue: 0,0:00:53.06,0:00:55.19,Default,,0000,0000,0000,,这将是多少辆车呢? Dialogue: 0,0:00:55.50,0:00:58.72,Default,,0000,0000,0000,,很明显,就是6个7加起来 Dialogue: 0,0:00:58.72,0:01:05.02,Default,,0000,0000,0000,,这本质山就是 1,2,3,4,5,6 Dialogue: 0,0:01:05.02,0:01:06.38,Default,,0000,0000,0000,,最后的7似乎有点奇怪 Dialogue: 0,0:01:07.16,0:01:08.86,Default,,0000,0000,0000,,6, 现在我们把它们加起来 Dialogue: 0,0:01:10.11,0:01:12.34,Default,,0000,0000,0000,,我们把它们加起来 Dialogue: 0,0:01:12.54,0:01:15.34,Default,,0000,0000,0000,,7加7等于14 Dialogue: 0,0:01:15.42,0:01:20.02,Default,,0000,0000,0000,,21, 28, 35, 42 Dialogue: 0,0:01:20.08,0:01:25.81,Default,,0000,0000,0000,,6乘以7等于42 Dialogue: 0,0:01:25.82,0:01:30.93,Default,,0000,0000,0000,,所以,42辆汽车可以停到当地的停车场。你不相信我吗?我做了一个图表。 Dialogue: 0,0:01:30.96,0:01:32.56,Default,,0000,0000,0000,,我们有6排 Dialogue: 0,0:01:32.78,0:01:34.05,Default,,0000,0000,0000,,这是第一排 Dialogue: 0,0:01:34.07,0:01:35.10,Default,,0000,0000,0000,,第二排 Dialogue: 0,0:01:35.10,0:01:35.89,Default,,0000,0000,0000,,第三排 Dialogue: 0,0:01:35.89,0:01:36.61,Default,,0000,0000,0000,,第四排 Dialogue: 0,0:01:36.61,0:01:37.47,Default,,0000,0000,0000,,第五排 Dialogue: 0,0:01:37.51,0:01:38.46,Default,,0000,0000,0000,,第六排 Dialogue: 0,0:01:38.65,0:01:41.58,Default,,0000,0000,0000,,每排可以停7辆车。你看到了吧。 Dialogue: 0,0:01:41.72,0:01:43.82,Default,,0000,0000,0000,,1, 我来把它变亮一点 Dialogue: 0,0:01:44.16,0:01:44.83,Default,,0000,0000,0000,,1 Dialogue: 0,0:01:44.88,0:01:45.36,Default,,0000,0000,0000,,2 Dialogue: 0,0:01:45.42,0:01:46.33,Default,,0000,0000,0000,,3 Dialogue: 0,0:01:46.39,0:01:49.70,Default,,0000,0000,0000,,4,5,6,7 Dialogue: 0,0:01:49.74,0:01:51.39,Default,,0000,0000,0000,,有多少辆车 Dialogue: 0,0:01:51.57,0:01:52.44,Default,,0000,0000,0000,,有7辆 Dialogue: 0,0:01:52.56,0:01:53.68,Default,,0000,0000,0000,,14辆 Dialogue: 0,0:01:53.76,0:01:54.93,Default,,0000,0000,0000,,21辆 Dialogue: 0,0:01:54.97,0:01:56.34,Default,,0000,0000,0000,,28辆 Dialogue: 0,0:01:56.42,0:01:57.93,Default,,0000,0000,0000,,35辆 Dialogue: 0,0:01:58.00,0:02:00.02,Default,,0000,0000,0000,,总共 42辆 Dialogue: 0,0:02:00.19,0:02:04.12,Default,,0000,0000,0000,,7个,或者有6排7