December:This month's profit: +6912.15 yuan2020:+34,277.8 yuan
February: -5741.46 yuanAnother solutionOctober: -27372 yuan
Another solution2023:-10,561.49 yuanToday's work:
Strategy guide 12-14
Strategy guide
12-14
Strategy guide
12-14
Strategy guide 12-14
Strategy guide
12-14
Strategy guide 12-14
Strategy guide
12-14