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第54章 这么爱洗碗,给我洗一辈子的碗好了(1 / 2)

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“先设直线联立,利用圆锥曲线与直线联立,得到一个一元二次方程,列出韦达定理。”

“把第一个解进行转化,将韦达定理代入,找到五个参量之间的关系。”

“第二步,设交点坐标,把点的坐标所满足的等量关系都列出来,等量关系向目标转化。”

“第三步,将九个解代入验证,最后只有一个解满足条件。”

顾言边说边写,说完的时候,题也顺利的解答完成。

不得不说,这道题对于普通学生来说确实是很难很难,

先要直线联立,进行第一步转化,列出韦达定理;接还要设点坐标,等量关系第二步转化,

如果只是这样,优秀一点的学霸也能拿到不少分,

但是,这道题最后有9个解,每一个解都要进行验证。

一个个验证完,学霸也至少要花半个小时,而且非常容易出错。

难度堪称变态级,

然而,就这么难的题,顾言扫了一眼,边说边解,就这么解完了?

楚薇薇目瞪口呆,小嘴张成了O型。

长得漂亮的女孩子,连惊讶的样子也特别好看,

看着那一抹鲜红檀口的小嘴,顾言心头一跳,这样的小嘴,吃什么都会鼓鼓的吧?

咳咳,不刑想,不刑想。

薇薇抬起头看向顾言,小嘴瘪瘪的,闷闷出声,

“顾言,你,你是不是在欺负我。”

“此话怎讲?我顾言从来以德服人不欺负人。”

“你明明这么厉害,为什么要装做什么都不懂的样子呀。”楚薇薇眨眨眼睛,小脸委屈。

“我哪有装……”

“昨天我给你补课的时候,你就什么都不懂,怎么突然一下连压轴大题都能做出来,还做的这么快。”

“这……”顾言摸了摸鼻子,这让我怎么解释,告诉你,我是挂逼?

显然不合适。

“其实我也不知道为什么,但是我有一个大胆的猜测。”

“什么猜测?”

顾言伸出一根手指,神色认真,语气笃定,一字一顿的说道:

“肯定是因我亲了你。”

“啊!?”

刷的一下,楚薇薇小脸爆红,脑袋急忙低下去,装起鸵鸟,小手揪着衣角,看都不敢看顾言,因我多看一眼就会……

“哪,哪有这种说法。”

“当然有,科学研究表明,亲亲可以使人体分泌多种极速,比如多巴胺、内啡肽,当这些激素在人体完成良性循环的时候,可以提升一个人的潜力。也是会变聪明。”

顾言耸耸肩,有些无奈的说道:“除了这个,我也找不出其他理由。这两天除了亲了你一下,也没发生特别的事情。”

楚薇薇小脸红扑扑的,小手紧张的揪在一起,虽然不信,但也找不到反驳的理由,

这两天,好像确实没发生什么特别的事情。

顾言继续说道:“你要是不信,明天要给我补习物理,你看看我是不是一窍不通。”

“嗷嗷。”楚薇薇红着小脸应了一声。

“那,那顾言同学,我们今天就学到这里吧。”

顾言咧嘴一笑,眉眼飞扬,豪气干云,朝老师抱拳作揖,声音朗朗:

“感谢薇薇同学一日之师,我们下次再日……”

“夜兼程的学习。”

楚薇薇脸颊染上一抹红霞,听起来怪怪的,像在开车,但我没证据。

……

两人学习完已经是晚上的七点钟。

家里有老妈包好的饺子,

还有一部分饺子皮和馅儿,还没来得及包。

顾言吆喝一声,

“薇薇,一起睡觉啊。”

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