1.Peter and Mary are the students of Ms Cheung.Ms Cheung's birthday is the n day of the m month of a year.Both students know the birthday of Ms Cheung is one of the following dates.Ms Cheung gives the value of m and n to Peter and Mary respectively.According to the conversation below,do you know when Ms Cheung's birthday is?
4/3, 5/3, 8/3, 4/6, 7/6, 1/9, 5/9, 1/12, 2/12, 8/12