正文 第四十八章 各类比较几多争(第1页/共3页)
午后的阳光是火辣辣的，官员们回程。
二十辆车装上鱼干，五十个帮工依依不舍，红烧肉太香了。
倒是拉车的牲口精神头不错，它们过来村子给喂精料。
吃豆饼、菜籽油渣、鱼粉、小麦脱层料，加上稻糠和青草。
里面的小麦脱层料，又叫灰粉，就是把小麦一层层磨下去的东西。
磨掉百分之二十，剩下的叫八零粉，磨掉百分之四十，剩下的叫六零粉。
稻糠饥饿的时候都有人吃，总比观音土和树皮草根强。
其他的人全能吃，豆饼蒸蒸，拌上盐和野菜，味道还不错呢。
拿这东西喂牲口，牲口当然高兴，下次就愿意来。
“明天我们还过来给送草。”一个赶车的帮工坐在车辕上挥手告别，啪地甩声鞭子。
“路上小心。”里长回喊。
……
“一上一、二上二、三下五除二、四下五除一、五去五进一、六上一去五进一……”
朱闻天没去送别，总见面，有啥可送的？
关键官员不在乎他一个傻子送不送，正好回来睡一觉，教小伙伴们学珠算。じ☆veЫkメs? ?
等能够熟练用算盘打出来加减乘除后，开始像下象棋盲棋那样。
先在脑海中想出来一个算盘，数字处理是，想出来的算盘珠子移动，这就叫珠心算。
总下象棋的人，一闭眼睛，脑海中便有一个棋盘。
如：红炮二平五，黑马八进七，红马二进三，黑炮八进二，红车一平二，黑车九平八，红兵七进一，黑炮二平五，红马八进七，黑马二进三。
不用看棋盘，很轻松，屏风马对巡河炮的常规开局。
珠心算亦如是，并非去计算数字，而是用想出来的算盘柱子的移动来配合数据，最后再读数。
这东西对逻辑思维能力培养没有好处，尤其是数学逻辑能力。
它就是快，快到你报完加减乘除，那边出结果的程度。
朱闻天教小伙伴们珠心算是为将来小伙伴们遇到其他从小就聪明，并努力学习、有名师教导的同龄人。
在各方面皆处于弱势，信心会被打击到。
学一个珠心算，至少在计算速度上快于其他人，这不就觉得自己还有强的地方嘛！
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