第32章 算学一道(2 / 2)

分别写上加减乘除四个汉字,随后干脆又用汉字将乘法口诀表写了出来。

乘法口诀,在中国古代自古就有之,周楚也不知是何时何人整理出来的,但他知道在唐代绝对没有后世那般完善,且朗朗上口。

“一一得一,一二得二…”

这不,李秀宁只是盯着默念了一会儿,眼睛就再也移不开了,嘴也停不下来了。

“李姑娘,正所谓师傅带入门,成就靠个人,算学一道,小弟已倾囊相授,至于能学多少,就完全凭姑娘自己,已快到正午,小弟还要去准备午膳,就不多陪!”

周楚可不会像教幼儿园小朋友那般,耐心仔细的给她一一讲解,写完乘法口诀表后,又分别用乘法和除法运算了两道题,将那日的第三题又解了一遍,就丢下笔,准备离去。

李秀宁已经没心思再理他,只是摆了摆手,头都没抬,显然早已沉浸其中,也不需要他在讲解。

当周楚在简易的厨房中亲自炒完几个菜,书房中的李秀宁已经开始提笔,在纸上进行着简单的乘除法运算,小燕则负责在旁磨墨。

“李姑娘,难道你已经可以区分这些符号,并熟练掌握了这些口诀?”

周楚悄无声息的来到近前试着问道。

面上虽平静无波,心里却是惊为天人。

因为才短短不过半个时辰,这妞就用阿拉伯数字和后世的数学符号,运算了几道乘除法,其中更是包括一道万位。

李秀宁刚要尝试列方程式,就被突然打断思路,顿时恼怒不已,见是周楚,这才转怒为笑,放下笔感慨道:“若天下算学共有一石,贤弟怕不是要独占九斗九升!”

“呵呵,如今却是要将那九升分予姑娘了!”周楚呵呵一笑,见她将自己的纸用了大半,也是心疼不已。

不过也不得不承认,士族就是士族,即便是阿拉伯数字,比他写的都好看多了。

李秀宁闻言也是一笑,然后恭恭敬敬的朝周楚施了一礼:“今日蒙贤弟不吝赐教,在下受益不浅,还请贤弟受我一拜!”

“姑娘客气了,互相探讨而已。”

周楚嘴上这样说,却也心安理得的受了她这一拜。

就连一向对周楚厌恶之极的小燕,都觉得公主这一拜,理所应当。

“贤弟,这姑娘一词,我听得甚是别扭,我在家中排行老三,贤弟今后唤我三娘,或三姐都可!”

“好吧!不过三娘我叫的也别扭,不如干脆叫娘子如何?”周楚嘴角带着一丝笑意道。

“这是为何?”李秀宁眉头一皱。

“呵呵,在下未婚妻也是排行老三,这三娘三娘的叫着,难免不会…”

“那你直接叫李兄吧!”李秀宁闻言,顿时摆手打断道,显然对娘子这一称谓,还是很在乎的。

“好吧,李兄,午膳已经备好,还是用完膳后,再继续钻研吧!”

“不用了,贤弟自便即可,不用管我…”李秀宁说着,就要再次提笔。

“李兄当真不用?”

李秀宁连回答都懒得回答了,直接摆了摆手,开始列方程式。

“呵呵,李兄等一下可莫要跑出来…”

周楚笑了笑,也没管她,丢下一句,就命春兰夏荷将菜端到堂屋里来。

顿时香味就传入了书房,李秀宁持笔的手一顿,但随即又继续书写起来。

可当周楚将一小坛酒又拍开后,那浓烈的酒香味,让李秀宁再也无法安心做题,终究是没忍住冲出了书房。

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