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di wu jiang jian yi chu fa yu ding wei
Author(s): 
Pages: 41-48
Year: Issue:  6
Journal: Jiangsu Commercial Forum

Keyword:  被除数定位除法余数计算方法商业部商数凑十法传统算法简易;
Abstract: <正> 把一个数分成若干等分,或求甲数是乙数的几倍,这种算法叫做除法。换句话说,除法是同一减数多次累减的简便计算方法。商业部门在求商品单价以及求毛利率、纯益率、费用率等相对数时就要用到除算。多年来,学珠算的人能够熟练掌握除算技术的比重很小。这主要由于:1.减算是除算的基础,减算不熟练所以学不好。2.传统算法要背口诀,在不常练常用的情况下易于遗忘或返生。3.除算用得不多,一般只占整个计算工作量的百分之五以下。
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