在代数中，展开括号的意思是去掉括号。在这个视频中，我们将解释如何展开单括号2(3x - 4)，在另一个视频中，我们将讲解如何展开双括号(x - 5)(x + 3)。 点击这里查看更多视频：https://alugha.com/FuseSchool 请访问我们的网站：www.fuseschool.org，我们所有的视频都是按主题和特定顺序仔细分类，并查看我们还能提供什么。评论、点赞并与同学分享。你可以提问和回答问题，老师会回答你。 这些视频可以用于翻转课堂模式，也可以作为复习辅助工具。 Twitter：https://twitter.com/fuseSchool 在FuseSchool平台和应用中获得更深层次的学习体验：www.fuseschool.org。 本开放教育资源是免费的，采用知识共享许可证。署名-非商业性 CC BY-NC ( 查看许可证契约: http://creativecommons.org/licenses/by-nc/4.0/ )。 你可以下载该视频用于非营利性的教育用途。如果你想修改视频，请联系我们：info@fuseschool.org。
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Click here to see more videos: https://alugha.com/FuseSchool In this video you'll learn the basics about Ionic Bonds. The Fuse School is currently running the Chemistry Journey project - a Chemistry Education project by The Fuse School sponsored by Fuse. These videos can be used in a flipped class
In this video, we are going to look at parallel lines. To find the equation of parallel lines, we still use the y=mx + c equation, and because they have the same gradient, we know straight away that the gradient ‘m’ will be the same. We then just need to find the missing y-intercept ‘c’ value. VISI
Plants have developed responses called tropisms. A tropism is a growth in response to a stimulus; so light and water in the plant’s case. There are different types of tropisms: Positive tropisms are when growth is towards the stimulus - so the plant growing towards the light to maximise the stimul
