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发明名称
一种使学生迅速计算方法及所得设备
摘要
本发明涉及一种数字计算方法及其所得设备。本发明利用巧妙的口诀制成的设备,本发明成本低,原料易取,制造工艺简单有很高的使用价值。
申请公布号
CN1222696A
申请公布日期
1999.07.14
申请号
CN98114555.8
申请日期
1998.06.13
申请人
盛和福
发明人
盛和福
分类号
G06C1/00
主分类号
G06C1/00
代理机构
代理人
主权项
1、一数字计算方法得到的设备,它包括用积木和珠算,其特征是积木上刻有本发明相应的数字。
地址
457500河南省范县实验小学盛和福收
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