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PPT箭头不是不会画,而是没想到

  • 2026-08-25 03:19:41
PPT箭头不是不会画,而是没想到

PPT箭头不是不会画,而是没想到

更新一下基础小教程,教程看图就行,文字聊点别的。

暑假这段时间,我们每天会给神兽布置一些学习任务,比如整一些举一反三的题给他做。

以往我是不怎么关注他学习的,毕竟我一直认为小时候不掉队就行了,开心比较重要,而且平时成绩还行,我就更不管了。

后来我想着,暑假他一直在家,干脆让他有不会做难题来问我,我教他做的同时给他开拓一下思路。

省得一直做那些会做的题,脑子不用都要锈了。

这不,前两天遇到了鸡兔同笼的题,简单到复杂的变体都有,他一下子就懵了,完全不知道怎么做。

说实话,二年级的练习册上就有鸡兔同笼,我是有点意外的,感觉会不会早了一点。

最开始是他妈妈教他,讲了大半个小时,但却是用的列方程的方法,用三角形来代替鸡或兔子。

虽然最后他听懂了,也会用这种方法做了,但我还是把他拉过来,重新讲了一遍。

并不是方法不对,而是他这个年龄不应该用列方程的思路,小学应该用更灵活、更简便的方法来解题,否则思路很有可能被限制住。

于是,我也花了半个小时,给他讲假设、抬脚以及买卖的思路。

这时候他妈妈也意识到,这些其实她也会,但教的时候并没有想到应该这样教、可以这样教。

通过这个事,我又双叒叕意识到知识的诅咒,很多我觉得极其简单、一眼就会的东西,同样可以写出来做成教程。

我觉得简单,是因为我平时做了大量练习,已经觉得这个知识点不算知识点了。

但对初学者来说,或许并不是,或许他们根本想不到应该这么做。

除了鸡兔同笼,前段时间我还教了他列除法竖式计算。

我用了快一个小时,给他举各种例子,讲的时候他会,换一道题又不会了。

挺折磨的,真的,他折磨我也折磨。

后面我意识到哪里不太对,我教的方法和思路都是对的,他当时也会做,但这背后的思路原理没有进他的脑子,这是为什么呢?

问题估计不在他那,于是我去B站搜视频教程,带着他看。

那个老师用厂+大老板+二老板发工资的方式来教,同时把几个很小的特征总结了一下,听完后练了几道题,他很快就学会了。

我注意到,首先这个老师讲的确实有趣且有记忆点,其次,那几个小特征虽然我也教了,但并没有特地强调。

我觉得说过了,后面照着做就行,但在他看来,整个流程并没有记忆点,所以自己算的时候不是错了就是漏了。

你看,术业有专攻,专业的事交给专业的人干,确实更好。

以上就是今天分享的全部内容,希望大家会喜欢~

知音不远,静候君至:

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  1. CONNECT:[ UseTime:0.001140s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001643s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.011014s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.026021s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.001461s ]
  6. SELECT * FROM `set` [ RunTime:0.000631s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.001566s ]
  8. SELECT * FROM `article` WHERE `id` = 550754 LIMIT 1 [ RunTime:0.001044s ]
  9. UPDATE `article` SET `lasttime` = 1787677260 WHERE `id` = 550754 [ RunTime:0.031629s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000621s ]
  11. SELECT * FROM `article` WHERE `id` < 550754 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.001361s ]
  12. SELECT * FROM `article` WHERE `id` > 550754 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.005441s ]
  13. SELECT * FROM `article` WHERE `id` < 550754 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001553s ]
  14. SELECT * FROM `article` WHERE `id` < 550754 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.003035s ]
  15. SELECT * FROM `article` WHERE `id` < 550754 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.019104s ]
0.295363s