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title: Teacher shares GCSE question most 16-year-olds get wrong – can you answer it
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# Teacher shares GCSE question most 16-year-olds get wrong – can you answer it

## TL;DR
（要約なし・原文はリンク先を参照 / No summary available; see the source link.）

## Key Points
- world_general

## Details
(本文なし。リンク先参照)

## Source
元記事: [Teacher shares GCSE question most 16-year-olds get wrong – can you answer it](https://www.mirror.co.uk/news/weird-news/teacher-shares-gcse-maths-question-37573803) — published 2026-08-20T12:17:03Z