The EasyZh10 system use 300 the most commonlyused Chinese characters to teach you the correct pronunciationskill of the 37 phonetic symbols to improve your Chinesecapability.
The EasyZh30 system use 300 the most commonlyused Chinese characters to teach you the correct pronunciationskill of the 37 phonetic symbols to improve your Chinese readingand writing capability. This version add the Chinese PhoneticSymbols stroke order.
The EasyZh20 system use 300 the most commonlyused Chinese characters to teach you the correct pronunciationskill of the 37 phonetic symbols to improve your Chinese readingand writing capability.
The EasyZh10 system use 300 the mostcommonlyused Chinese characters to teach you the correctpronunciationskill of the 37 phonetic symbols to improve yourChinesecapability..