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第三百五十八章 蔡邕的学术打击

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蔡邕自然也看到了大女儿眉角眼里欢喜无限的神情,尤其是那羞涩的神情,是恬然大方的她很少流露的,他心中更是一沉,女儿竟对这张辽用情如此之深,却怎么办?

这张辽给自己的初步印象还算不错,却也未必配得上自己的女儿,何况是让女儿去给他做妾!这绝无可能!

可是蔡邕又深知女儿的性子,认定了就不会改,自己不同意的话,女儿定然会很伤心,这却是他又不愿意看到的。龙腾小说网ltxsba.com天籁小说|2

一念及此,蔡邕心中便不由大是烦闷,更怒眼前这张辽。

再看到女儿欢喜的神情,而张辽这厮却颇是平静,登时更增怒意,在他看来,自己女儿是最好的,能青睐这厮,已是这厮的几辈子福分,他竟然还无动于衷!着实可恨!

这就是做父亲的心思,一边忧虑女儿喜欢上这家伙,一边又怒这家伙竟然反应平平,当然,如果张辽反应过了,蔡邕同样也会怒,都娶了妻了还来招惹我女儿!

看似矛盾,却又那么合情合理,总之,蔡邕对眼前这张辽是怎么看怎么不顺眼。

时隔一年多,张辽再次见到风华绝代的红颜,初时还有些失神和无措,但明白了她的心意,自己心思一定,反而平静了下来,继而热切了起来,凭着他的厚脸皮,一时间妙语连珠,听得蔡琰抿嘴轻笑,容颜焕出前所未有的光彩,看的一旁的蔡琬和蔡璎都不由时时看向阿姊,不知她为何今日竟如此惊人的美丽,而蔡邕的脸却越来越黑了。

不过蔡邕毕竟阅历丰富,他不知道当初弘农道上的一幕幕情形,只以为女儿一时被张辽才气所迷,因此决意凭借自己的博学打压张辽。

因此,他转了副笑眯眯的神情,道:“文远,听琰儿说汝精通数术,恰好老夫也略知一二,正要向汝请教一番。”

张辽看到蔡邕突然而来的笑容,先是一愣,但他最擅长察言观色洞彻人心,随即便明白了蔡邕的打算,不由心中一乐。

如果蔡邕凭借的是经学或是音律来打压他,估计一上来就能将他打击得体无完肤,但是他却偏偏选了比较偏门的数术!

至于数术麽……张辽咧了咧嘴,恭敬的抱拳道:“万不敢言请教。”

蔡邕一看张辽的姿态,登时定了心神:“那便切磋一二,老夫听闻琰儿说汝有大才,可不能让老夫失望,也希望琰儿没看错人。”

话说到这里,蔡邕看了一眼女儿,这老头的意图已经是赤果果了。

张辽只能作出一副无奈的样子,抱拳道:“如此,恭敬不如从命,还请伯父赐教。”

蔡邕点了点头,当即命蔡琬去取算筹。

一旁蔡邕却嗔怪的白了装模作样的心上人,她可是知道心上人的数术,妙思无双,绝不比父亲差,此时却装出一副惶恐和无奈的样子,分明是在父亲面前扮猪吃虎。

而且她虽然敬佩心上人的妙思和远见,但对于他的经学实在是不敢恭维的,如果父亲选择了考验经学,恐怕这个心上人连一回合都坚持不住,直接被扫地出门了。

偏偏父亲却选择了数术,让她心中也不由好笑,又感到这莫非就是缘分?

很快,蔡琬取来了两个布囊,倒出算筹,是数百根一指多长的小竹棍,用来计算数字的。

华夏自古以来就注重数术,春秋之时就有了“九九乘法歌诀”,到前汉之时已经有了《算术书》与《九章算术》,包括相乘、约分、方田、粟米、衰分、少广、商功、均输、盈不足、方程及勾股等,内容涉及加减乘除、平方、开方、面积、体积、正负数、勾股、比例等多个领域,而且已经采取了十进制进行术算,而算筹就是用来进行术算的。

算筹可以摆成一到十个数字,又有纵横两种摆法,计算之时,个位用纵式,十位用横式,百位用纵式,千位用横式,以此类推,遇零则置空。

这种术算方法很早很高明,但问题就在于每次计算所用算筹太多,往往会用到上百根甚至更多,一个摆错了,就会出现错误。

而此时出现的《九章算术》,只是文字叙述,没有提出系统的术算理念,更没有任何推导和证明,所以术算对于寻常人而言是极为深奥的,难以推广,而擅长者也往往因为方法繁复,要消耗数十上百倍的精力,还容易出差错。

正因为如此,蔡邕才用数术来考验张辽,在他想来,张辽不过二十多岁,出去练武、读书和练习书法,哪有时间研究数术。

张辽看到蔡邕拿起一囊算筹,摆开架势,又给了他一囊,他呵呵一笑,将手中算筹装入布囊,在蔡邕愕然的神情中,有几分腼腆的道:“伯父,在下不才,自创了一种数字和一种规则作为术算,胜过这算筹百倍。”

“自创?胜过百倍?”

蔡邕愕然看着张辽,随即皱起眉头,眼里多了几分不悦,这个不过二十多岁的小子竟然敢说自创数字和规则?

他大袖一拂,沉着脸道:“年轻人莫要好高骛远,这算筹与算法是无数先辈推演出来的,岂能轻易鄙弃!”

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