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2024-04-21 14:10:56
Thời gian đi để ô tô đuổi kịp xe máy là:
11h - 8h30p = 2h30p
Đổi:2 giờ 30 phút = 2,5 giờ
Hiệu vận tốc của hai xe là:
30 : 2,5 = 12 (km/ giờ)
Hiệu số phần bằng nhau là:
4 - 1 = 3 (phần)
Vận tốc của ô tô là:
12 x 4 = 48 (km/giờ)
Vận tốc của xe máy là:
12×3=36(km/giờ)
Đ/S:☝️