Z-kai Advanced Training Problem Edition For Junior High School 3rd Grade, 2020 Edition Mathematics, Japanese, and English Set This is a problem collection for Z-kai's proficiency tests. Please use it to prepare for your proficiency tests. I solved the problems in a notebook, so there are no names or writings. I apologize if I missed anything. Please understand that this is a used item and has been stored at home before purchasing. Please note that the audio data for English listening has expired and cannot be used, but the text is included, so you can still refer to it.