The original formulas for the abacus is now commonly used to describe the act or action Minjie Li down. Approximation "Sanxialiangxia"
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Abacus is one addition formulas
Abacus is one addition formulas. Quick and decisive action common to analogy. Lao She, "two horses" paragraph 7: "﹝ ﹞ Mr. Ma has put a can of cold water poured down the 三下五除二's, irrigation may direct blisters throat." Tech Industries, "Yan'an" and: "The old lady like to levy war, soldiers used to put there ... ... 三下五除二 chaotic situation reversed. "