[例1.6]火车问题
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甲列火车长 260 米,每秒行 12 米; 乙列火车长 220 米,每秒行 20 米。 两车相向而行,从两车车头相遇时开始计时,多长时间后两车车尾相离?已知答案是整数。
龙凤苑中学A班3.29
- Status
- Done
- Rule
- IOI
- Problem
- 3
- Start at
- 2024-3-29 16:00
- End at
- 2024-4-2 16:00
- Duration
- 96 hour(s)
- Host
- Partic.
- 33