STEP 是什么、怎么准备

Siklos 原书导言（含难度勾号 ✓ 的说明）＋两道逐步示范的 worked problems，共 18 页。下载 PDF

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Problems and solutions are reproduced from Stephen Siklos, Advanced Problems in Mathematics: Preparing for University, Second Edition (Cambridge, UK: Open Book Publishers, 2019), https://doi.org/10.11647/OBP.0181, licensed under CC BY 4.0. STEP questions are reproduced in that book by kind permission of Cambridge Assessment Group Archives.

题目与解答出自 Stephen Siklos《Advanced Problems in Mathematics》（2019 第二版，开放许可 CC BY 4.0）。