Description
小朋友们的新世纪“福音”——算数印章!!
无需AMS,无需胶水,拼装简单容易。
共有四个种类的算数题:加、减、乘、反推填空;
每种算法均有100般变化,保证小朋友们做题不枯燥
安装教程如下:
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