描述
此為啟思樂在普通話一上、一下、二上、二下、三上、三下、四上、四下、五上、五下、六上、六下之電子課本學生版（零售版）
格式: 實體卡連啟動號碼
國際書號:9780190987404, 9780190987411, 9780190987428, 9780190987435, 9780190987442, 9780190987459, 9780190987466, 9780190987473, 9780190987480, 9780190987497, 9780190987503, 9780190987510
淨重:0.02kg
