帮我生成解题过程---**General Request/Context:** Help me explain this problem. **Question Stem:** 题目: 一台压路机的前轮直径是 1.5 米,每分钟转动 8 周。它每分钟前进多少米? **Solution/Explanation:** 解答: 1.5 ÷ 2 = 0.75 (米) 0.75²π × 8 = 4.5π ≈ 14.13 (米)

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