可以让小孩子学习。
非常好非常好,继续加油。
Yes, 一年级口算心算练习 is free to download, however it contains in-app purchases or subscription offerings.
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一年级口算心算练习 has several in-app purchases/subscriptions, the average in-app price is €1.99.
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非常好非常好,继续加油。
一年级心算口算练习我本来练习到了十六级但是他总写着十四级所以我才给个差评
很好
让学生逐渐掌握计算题口算、题目多多各种技巧,培养学生快速计算和快速反应能力...一年级教学必备