用新方法给大女儿讲解数学题

昨天大女儿对于数学典中典上的一道直角等腰梯形计算面积一直没绕过来弯,我讲了好多遍都似懂非懂,昨晚到最后她把题目抄了下来,说是今天要问林老师,结果林老师上午没空,下午不在,晚上我问她自己又看了没,绕过来弯没,她回复还没绕过来弯。我估计是典中典上的图形太小导致的,于是晚上用CAD画了昨晚给她讲过,她有些一知半解的图形,然后对着CAD,一边讲,一边标注对应线条颜色,只讲了一遍,她就晓得咋回事了。

科技是第一生产力,果真如此。

 

2 thoughts on “用新方法给大女儿讲解数学题

  1. Hi, i read your blog from time to time and i own a similar one and i was just
    curious if you get a lot of spam feedback?

    If so how do you prevent it, any plugin or anything you can suggest?
    I get so much lately it’s driving me insane so any support is very much appreciated.

    1. Of course, there are many. Use WordPress plugins; there are many good plugins worth trying.

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