Apply the course version boundaries in notes.md; HSK tasks are transferable language practice, not a claimed HSK 3.0 mock.
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hsk6:mixed-revision:1
Repair the redundancy: 这个项目大约需要两个月左右。Explain two acceptable repairs.
Answer and reasoning · Resposta e raciocínio
这个项目大约需要两个月。Or 这个项目需要两个月左右。Retain one approximate marker, rather than both.
hsk6:mixed-revision:2
Teacher shows this original source, then removes it: A team missed its first deadline, changed its plan, consulted users and completed a simpler useful tool. Summarise in Chinese without adding blame or invented funding.
Answer and reasoning · Resposta e raciocínio
团队未能按期完成最初的计划，后来调整方案，征求用户意见，最终完成了一个较简单但实用的工具。Human review checks faithful sequence and no unsupported facts.
hsk6:mixed-revision:3
Explain the distinction between claiming an article “proved” a result and saying it “suggested” one. Give an appropriate Chinese contrast.
Answer and reasoning · Resposta e raciocínio
证明 is stronger than 表明/提示可能. A summary must preserve evidential strength: 文章提示这种方法可能有效 does not justify 文章证明这种方法一定有效.