借商法引出连位商,使除法得到大量简化,受珠算界的重视而不断探索,但也有争论。 十多年来,我国多种珠刊常载阐释借商法算理算法的文章。近来,中珠协主编的《古今珠算法的评价和优选》、《当代中国珠算》两大巨著中也有专节论述,但都侧重算法要点,而缺精辟算理的揭示。难怪有人说:“至 Derived by the commercial law even firms, so that a large number of division is simplified, by the abacus community attention and continue to explore, but there are also controversial. For more than a decade, various kinds of beads in our country often contain articles explaining the algorithms of business law. Recently, the two major monographs of “Evaluation and Optimization of Ancient and Modern Bead Algorithms” and “Contemporary Chinese Abacus” edited by the Association of China-Zhuhai Association also have special sections on expositions, but they all focus on the essentials of the algorithms but reveal the incisiveness of their theories. No wonder someone said: "To