Gobi Mathematics Lao Wang's Road to Lottery

I am Lao Wang who lives in the Gobi Desert. I am taking junior high school mathematics at an educational tutoring institution. Recently, because my baby is eating milk powder and I am financially strapped, I came up with the idea of ​​buying lottery tickets. The following is my record of buying food tickets in each issue, written down and shared with everyone. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.