第二百二十九章 输了我拜你为师
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“张兄,这件事情你要不要考虑一下。你我年纪差不多,这拜师一事,实在有些让人难以接受。即便我同意了,你家中会同意这般做法?”罗彦考虑再三,还是慎重地询问张通。虽然对于眼前这个年轻人的张狂有些看不过眼,而且对方还就是奔着自己来的。可是罗彦自己心里有十成的把握能赢,这才说出方才的赌注,而这张通却是全凭意气。
其实张通方才说出口就后悔了。可是大庭广众众目睽睽之下,便是改口都来不及。何况,对方给出的赌注也足够大,要是不做出对应的赌注,就有些说不过去了。
待罗彦问起的时候,张通想了想,却曳说道:“这个不用,你要是能赢,我就能拜你为师。一点麻烦都没有。”
这倒不是张通托大,以为自己输不了。敲相反,此刻他是心里也开始有些惴惴不安了。可是能让他这么豁达的原因,却在张家非池殊的祖训。
数算之学虽然在俗世用处颇多,但是经历过的朝代,都被归纳到百工一类,地位也不过就是比其他工匠稍微高一些。
张家的祖上经历过的种种,让他深知这数算之学不能闭门造车。因此虽然是世家,但也鼓励优秀的子弟向当世数算大家学习。新鲜的血液,开放的思想,这才是他们张家经历了这数百年最终成为世家的根本原因。
而张通也想过。罗彦要是能够赢了自己,以他自学成才的本事,就值得自己学习。虽然拜同龄人确实有些丢人,可是反过来一想,罗彦的身份,注定了能给自己带了不少的好处◇右不违背祖训,对自己也算是有好处,丢点面子,无所谓了。
罗彦当然不知张通心里想的是什么,此刻听张通这么一说,倒是对这个年轻人有些刮目相看。不仅热血,还输得起。
既然张通已经这么说了,罗彦也不再反对,点点头,便说道:“既然如此,那么你先出题吧。”
反正考验是双方的,张通也知道这不算是什么便宜,也不多说,便试探起罗彦:“今有圆材径二尺五寸,欲为方板,令厚七寸,问广几何?”
罗彦一听乐了,这杏明显是试探自己,这类题目,不正是前几年新出的数算新书缉古算经中的问题么。想想罗彦便张口将答案说出:“二尺四寸。术曰:令径二尺五寸自乘,以七寸自乘减之,其余开方除之,即广。”
这张通说完到罗彦答完,也不过是半刻时间不到,这等答题的度已经出乎了很多人的意料。见惯了那种一思考就是好几盏茶功夫的比试,此刻见罗彦和张通这般快,旁观的众人居然有些不敢置信。
“他们说的真的是算学问题?怎么感觉在说孝子摆算筹啊,难道都不用想的么?”
虽然不能一窥全貌,但是见识到罗彦答题的度,张通不禁点点头,说道:“不错,这道题目你答对了。接下来该你出题了。”
知道方才对方是试探自己的水平,这题目不会很难,因此罗彦也不好意思就这样一上来便把难题给拉出来,因此便回敬道:“一百馒头一百僧,大僧三个更无争。小僧三人分一个,大小僧人各几丁?”
那些围观的人中,听罗彦把题目出的这么有诗意,也是笑了。不少人在张通还没有开始思索的时候便叫嚷着:“我说罗博士,这是比试算学,不是赛诗,你还是收拾收拾,回归正题吧。”这话倒是让好些人再一次笑出声来。不过看着张通此时正在皱着眉头,因此也刻意收拾起笑声。
抬头,张通有些愤慨,质问道:“阁下这是看不起人么?这等简单的问题,你要我说个什么。”
却是这一道题目,虽然形式新颖了一些,可是内中的形式,其实还是自家祖上那百鸡问题。而且更加可恶的是,罗彦还把这道题目给化简了,少了一个条件,这道题目便非常简单了。
如果说百鸡问题是一个三元不定方程组,那么百僧分馍的问题只不过是二元一次方程。这里头的差别不用多说。缉古算经里头已经有了非常详细的二元方程的解法,此刻将方法套用过来,简直不要更简单。
“礼尚往来罢了。方才你试探于我,我要是在这第一轮就出难题,岂不是太过下流了。”
没办法啊,罗彦说得冠冕堂皇,张通也只能无奈地将答案说出来,同时也将算法一并说出来让围观的诸人评判≡然,这么简单的问题张通也不会出错,因此很快便迎来了罗彦的点头认可。
待答案得到了确定,张通吸口气,说道:“既然方才你我各自谦让一轮,接下来就开始正式考校吧。我的题目便是先祖的百鸡问题,要求,不仅要有答案,还需要有一种能够让大家都听明白的解法。”
话音一落,人群中有些见识的人便惊叫起来:“怎的,张家这么些年,终于有了一种解出百鸡问题的方法了么?”
原来,当初张邱建自己提出了问题,也给出了答案,但是这都是通过多少年不停的摆算筹摆出来的。真正的解法到现在还没有出现呢。此刻既然张通问起,那么依据比试的规则,显然他心中是有一种可以说得过去的解法的。
一时间,人群中陷入新一轮的喧闹。
[记住网址龙腾小说ltxsba.com]
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