2026年9月国际B卷 · 第 4 题

2026年9月国际B卷 · 原库模块 3 · Q4 参考答案

During a 6-day period, a weather station recorded a total of 3.3 inches of rain and snow. During this period, the weather station recorded r inches of rain and s inches of snow. Which equation represents this situation?

2026年9月国际B卷 · 第 4 题

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