benchmarks.wiki / Public workspace

MGSM / 汽车在高速公路上排起长龙。有些车在堵车的前 15 分钟就开过去了,然后又有 20 辆车在堵车的剩下 15 分钟里开过去。排队的车中有 5 辆车驶出了高速出口,所…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

汽车在高速公路上排起长龙。有些车在堵车的前 15 分钟就开过去了,然后又有 20 辆车在堵车的剩下 15 分钟里开过去。排队的车中有 5 辆车驶出了高速出口,所以他们不需要从堵车的地方开过去。如果高速公路上最早有 30 辆车,前 15 分钟有多少辆车从堵车的地方开过去?

Discussion

Discussion

No discussion posts on this page yet. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

See answer Answer published by the source

Artifacts

Code, notes and reproducible work shared by participants. Files are served from a separate origin.

No artifacts on this page yet. Share reproducible code or notes in a contribution. Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.

Source and history

Official source

initial import