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这是四十年前的事了。那时我在小学里学习算术,感到加法和减法倒还容易,学乘法和除法要背口诀,很难学。我因为家里很穷,直到十四岁那年才有了一个半工半读的机会,进了小学,在学校里一面上课,一面做挑水扫地等杂活,放学回家,还要帮助父亲做庄稼活,哪儿来时间记忆口诀呢?可是数学在学校里是一门挺重要的学科,每天早晨到校第一节课就是学数学。当时教我们数学的安殿三老师经常给我们讲,数学应用很广,不论工业或农业,凡是需要计算的地方都要用到数学。于是我开始有这样的想法,能不能创造出一种简便容易、不需要记忆口诀的新算法呢?这对于象我这
This is something 40 years ago. At that time, I was studying arithmetic in elementary school. I felt it was easy to add and subtract. Learning multiplication and division were difficult to learn. Because I was very poor at home, I did not have a chance to work half-time until I was 14. I went to primary school, attended classes in school, did some miscellaneous activities such as sweeping away water, going home after school, and helping my father to do Where is the crop? Where is the time to memorize formulas? However, mathematics is a very important subject in school. Every morning the first lesson in school is to learn math. At that time, An Dian-san, who taught us mathematics, often told us that mathematics is very widely used. No matter what kind of industry or agriculture, mathematics needs to be used wherever it requires calculation. So I began to have such an idea, can create a simple and easy, do not need to remember formulas new algorithm? This for me