数学思维训练(第05期)

网友投稿 2018-07-15 12:53

强调一下:重在思维的训练,尽量不要有太多的功利心。

一年级

第12讲  图形的拼搭

https://cdn.china-scratch.com/timg/180717/12532S635-0.jpg

可以考虑各种情况,甚至折纸都可以:

https://cdn.china-scratch.com/timg/180717/12532T150-1.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpg

七巧板是个有用的工具:

https://cdn.china-scratch.com/timg/180717/1253293919-3.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpg赵爽弦图?
https://cdn.china-scratch.com/timg/180717/1253295011-5.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpg

第13讲 玩火柴棒

https://cdn.china-scratch.com/timg/180717/125329C35-7.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpg

三角形三边关系:

https://cdn.china-scratch.com/timg/180717/1253295532-9.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpg肯定少不了这样的题目:
https://cdn.china-scratch.com/timg/180717/1253292555-11.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpghttps://cdn.china-scratch.com/timg/180717/12532a394-13.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpg

第14讲 单数与双数

https://cdn.china-scratch.com/timg/180717/1253291056-15.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpghttps://cdn.china-scratch.com/timg/180717/1253291S9-17.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpg这个数列又出来了
https://cdn.china-scratch.com/timg/180717/125329D37-19.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpghttps://cdn.china-scratch.com/timg/180717/1253294b8-21.jpg打破常规思路,这道题你怎么处理?
https://cdn.china-scratch.com/timg/180717/12532963A-22.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpg是的,真有这样排号的影院:
https://cdn.china-scratch.com/timg/180717/12532a128-24.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpghttps://cdn.china-scratch.com/timg/180717/1253294537-26.jpghttps://cdn.china-scratch.com/timg/180717/1253291920-2.jpg

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