1、解设胜了x场,平了38x场3x+138x=90 3x+38x =90 3xx =9038 2x =52 x =26 38x=3826=12 答胜了26场,平了12场 设赢x场,平y场x+y+4=...
xiaomi 18 0 2026-04-08
xiaomi 16 0 2026-04-08