mental abacus calculation 心算 ; 珠心算
The Vitality of Abacus Calculation 谈谈珠算的生命力
Abacus Calculation Teaching Practice Discussion 珠算教学实践探讨
abacus-based mental calculation 所谓珠算式心算
calculation with an abacus 珠算 ; 以算盘计数运算
Keywords Abacus mental calculation 正确率
But the Ming Dynasty intermediate stage will later emerge each kind of abacus calculation work will be applies directly in aspect and so on agriculture, labor, trade computation technologies.
而明代中期以后兴起的各种珠算著作则更是直接应用于农、工、商业等方面的计算技术。
How long has the mental calculation with abacus been promoted in this kindergarten?
珠心算在我们这个幼儿园已经开展多久了？
With the application of the abacus, people summarized many calculation tips to help improve the speed of calculation.
随着算盘的应用，人们总结出很多计算技巧，提高了计算速度。
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