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ZX-739A2B631C2026年9月国际C卷练习 · 第 2 题
2026年9月国际C卷练习 · 原库模块 1 · Q2 参考答案
A car travels at a speed of at least 40 miles per hour but no more than 50 miles per hour for a certain part of a trip. Which inequality represents this situation, where x is the speed of the car, in miles per hour, on this part of the trip?
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