A math [－－－－－－]

Jyutping ei1 met1
Pinyin a math

Definitions (粵典–words.hk)
  1. 名詞、外來語、香港
    香港​以前​中學會​考​科目​附加​數​學​嘅​簡​稱​；​隨著​三​三四​學制​改革​，​依科​已經​畀​數學科​延伸​部分​（​M1M2​）​取代
    Additional Mathematics, one of the subjects in the former Hong Kong Certificate of Education Examination