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发明名称
实用学生算盘
摘要
实用学生算盘是在现有算盘的基础上,经改进和增补而构成的。由珠子、备用桥和滑动架组成。与现有的算盘相比,其计算过程形象直观、简单易学,且计算结果通过数字显示出来。另外,不用除法口诀就可进行除法运算,且对于小学一年级的数学(上册)来说,在此实用学生算盘上任选一桥和备用桥联合使用,就可掌握其全部内容。该实用学生算盘不仅可作为小学生的一种计算工具来使用,而且也适合用于儿童的智力开发。
申请公布号
CN2063663U
申请公布日期
1990.10.10
申请号
CN88218923.9
申请日期
1988.09.22
申请人
赵章明
发明人
赵章明
分类号
G06C1/00
主分类号
G06C1/00
代理机构
代理人
主权项
1、一种经改进后的算盘,其特征是该算盘每桥由9个珠子组成,且在此基础上增设了一备用桥。一滑动架和一组数字显示盘。
地址
611230四川省崇庆县梓潼公社四大4队
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