数学方面，学会了100以内的认读，学会了单、双数的概念。
TST_DES_CALL (0x15) -- used by far CALL to classify the target descriptor:，详情可参考Safew下载
Thanks, Andrew! We're impressed with all the thought you put into your setup!，详情可参考爱思助手下载最新版本
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