mental abacus calculation

基本解释

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？
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Conclusion The abacus mental calculation training could progress the children's basis cognitive ability.
结论珠心算训练对儿童的认知能力有一定影响。
Results (1)The influence of abacus mental calculation training was significant to improve the children's mental calculation effect, number memory span and the memory grade of meaningless picture;
结果1珠心算训练对于提高儿童的心算效率、数字记忆广度和无意义图形记忆有显著影响。