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Physics, 06.10.2021 14:00 Isabelcastillox9096
Câu 1. Một người đi xe đạp trong 1,5h đầu người đó đi với tốc độ không đổi 15km/h, trong 30 phút tiếp theo người đó đi với tốc độ 16km/h và trong lh cuối người đó đi với tốc độ 10km/h. Tỉnh tốc độ trung bình của người
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Answers: 2
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Câu 1. Một người đi xe đạp trong 1,5h đầu người đó đi với tốc độ không đổi 15km/h, trong 30 phút tiế...
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