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Physics, 03.11.2021 03:00 robert7248

Một chiếc xe chạy qua cầu với vận tốc 4 m/s theo hướng Nam - Bắc. Một chiếc thuyền chuyển động với vận tốc 3 m/s theo hướng Tây - Đông . vận tốc của xe đối với thuyền là

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Một chiếc xe chạy qua cầu với vận tốc 4 m/s theo hướng Nam - Bắc. Một chiếc thuyền chuyển động với v...
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