桐梓社区：您好。设成人票x张，则儿童票为（3500-x）张，列方程式如下：8x+5（3500-x）＝235008x+17500-5x＝235008x-5x＝23500-1......
2024-10-30
2024-10-30
2024-10-30
2024-10-30
2024-10-30
2024-10-30
2024-10-30
2024-10-30
2025-11-14
2024-10-30
2025-11-21
2024-10-30