【394】巧教奥数题3(1 / 1)

萧盈盈那股子气哽在喉咙硬挺着脖子,等着宁云夕给孩子怎么讲这么难的题目解法。反正这样的题目她没有见过。

宁云夕拿着笔一边在草稿纸上写公式,相当于板书,一边给两个孩子耐心地讲:“这个题,需要用到字母代替法。”

“字母,这个题目里并没有字母呀。”琪琪发出疑问。

“没有关系,等会儿最终我们会发现,所有字母会被彼此消除掉。用字母不过是方便我们列出公示,整理出我们的逻辑思路。在数学中,哪怕是高等数学,数学大师解题也是常用这种做法的。”宁云夕说。

两个孩子站在那看着她非常准确迅速地最终像她说的那样把字母在计算公式里全消除掉了。孩子们发出了惊讶的声音。紧接,巧巧激动地说:“老师,我这里还有一道题。”说完她抬头看自己妈妈一眼。

彭玉娇同样有一丝激动,仅仅一道题,已经足以让人看出宁云夕的功底所在,立马对自己孩子点点头。

巧巧跑进房间抱着做题本出来,拿给宁云夕。

宁云夕看了下题目再次给两个孩子仔细讲道:“这个题目,和刚才那个题目不一样,需要用到图形来帮助我们整理思路进行解题。做任何题目都一样,只有把思路整理整齐了,答案才能呼之欲出。最终,我们会发现数学是那样的奇妙无比。”

两个孩子此时搬起了小板凳坐在宁老师面前,目不转睛地看着宁老师和宁老师手里的笔,小耳朵竖起来安安静静地听着,仿佛被宁老师的声音引入了那个美妙的数学世界。数学,真的是非常有意思的一门课,在宁老师的引导下,变成了万花筒一般,可吸引人了。

让他们可以时不时发出惊叹的声音:哇,哇,哇!

宁云夕讲完第二道题目时,两个孩子不自主地鼓掌:“老师,老师,我还有题目不会,你给我讲讲。”

彭玉娇按住自己两孩子的脑袋,对宁云夕说:“他们之前学数学总觉得枯燥无味,没想到,会第一次这么喜欢跟老师学习数学。”

“其实数学根本不枯燥,它是打开这个自然万界这个宇宙的第一道门。”宁云夕道。

“这个经常教育学家都和我们家长说,说是数学是最重要的基础学科,而且是不用语言可以沟通的学科。但是,我们家长对数学是一筹莫展,不太理解的,总觉得太过深奥。孩子来问,我们家长时常犯难。所以说,需要像宁老师您这样的老师。”彭玉娇感慨万千地说到家长们的心里话。

辅导下语文英语,教孩子写写字拼写单词,可以的,有的抄。但是做数学题,如果本身不是教育学家或是科学家,给标准答案家长看家长都看不懂的,得焦头烂额的。

宁云夕温柔地笑一笑,可以理解,毕竟有些数学题对于没有这方面天赋的人来说,是难,这和是不是成年人无关。

萧盈盈不知道何时被晾到一边去了。抬头时候看见一个人杵在那里,萧盈盈一惊:“表哥!”

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