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huongtepy
2 năm trước
Quãng đường từ TPHCM đến Vũng Tàu dài 120km. Một xe máy đi từ TPHCM đến Vũng Tàu với vận tốc 35km/giờ. a. Sau khi đi được 2,5 giờ, xe máy còn cách Vũng Tàu bao nhiêu km? b. Sau khi đi được 2,5 giờ, vận tốc của xe máy giảm đi 10km/giờ.Tính thời gian ô tô đi từ TPHCM đến Vũng Tàu? giải dùm mik câu b thôi ạ 🤔🤔
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