Chinese Zhusuan, knowledge and practices of mathematical calculation through abacus
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学习珠算使我的儿子对数学更感兴趣。
Learning abacus made my son more interested in math.
youdao
我通过了珠算和速记的商业技能考试。
I've passed the tests of business skills for abacus and shorthand.
在仔细地研究并讨论后，珠算最终脱颖而出。
After carefully examining and debating each one, the abacus really stood out.
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