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？
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。
Objective To observe the influence of abacus mental calculation training on children cognition ability.
目的观察珠心算训练对儿童认知能力的影响。
Objective To observe the influence of abacus mental calculation training on children cognition ability.
目的观察珠心算训练对儿童认知能力的影响。
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