並前往https://blog.xuite.net/t1jlh92c/blog/408052762-%E5%83%B9%E6%A0%BC%E6%AF%94%E8%BC%83ptt+%E7%85%A7%E9%81%8E%E4%BE%86%E3%80%90%E7%BE%8E%E5%9C%8BPreSchool+Prep+%E3%80%91Math+Facts+work+book+%E6%95%B8%E5%AD%B8%E7%B7%B4%E7%BF%92%E6%9C%AC+%28%E5%85%B13%E6%9C%AC%29
