2022-2023年Bebras挑战练习题-Tortoise and Hare(乌龟和野兔)

A tortoise and a hare are going to race against each other on the track shown below.一只乌龟和一只野兔将在下面所示的赛道上进行赛跑。

They both start at the same time in the circle with a heart in it. They follow the direction of the arrows on the track. The tortoise moves one circle every minute. The hare moves two circles every minute.它们同时从带心形的圆圈起点出发。它们沿着赛道上的箭头方向行进。乌龟每分钟移动一圈。兔子每分钟移动两圈。
Task: 任务:
Click on the circle where the tortoise and the hare meet for the first time after the start.点击乌龟和兔子在起跑后第一次相遇的那个圆圈。

(Press 'Save' when you are happy with your choice.)(如果您对所选内容满意,请点击“保存”。)

2022-2023年Bebras挑战练习题-Tortoise and Hare(乌龟和野兔)

Explanation 解释

The tortoise and the hare will meet on the following spot:乌龟和兔子将在以下地点碰面:The figures below show the locations of the tortoise and the hare after every minute:以下图表展示了乌龟和兔子每过一分钟的位置:After 1 minute: 1分钟后:After 2 minutes: 2分钟后:After 3 minutes: 3分钟后:2022-2023年Bebras挑战练习题-Tortoise and Hare(乌龟和野兔)After 4 minutes: 4分钟后:After 5 minutes: 5分钟后:After 6 minutes: 6分钟后:

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