Physics, 02.10.2021 14:00, BigSis456

Bài 1. Đoàn tàu khởi hành chạy từ ga Hà Nội lúc 19h00ph. Tàu đến Vinh lúc Oh53ph, đến Tháp Chàm lúc 22h05ph, đến Sài Gòn lúc 4h00ph. Biết con đường tàu đi dài 1720 km và coi như thắng, tìm V?

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Bài 1. Đoàn tàu khởi hành chạy từ ga Hà Nội lúc 19h00ph. Tàu đến Vinh lúc Oh53ph, đến Tháp Chàm lúc...