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leminhkhoi567
2 năm trước
Cứ trong một phút, tàu hỏa chuyển động đều đi được đoạn đường 180m, tính: a) vận tốc của tàu ra m/s và km/h. b) thời gian để tàu đi được 2,7km. c) đoạn đường mà tàu đi được trong 10s. Mong mọi người giúp em với ạ ( em xin cảm ơn ạ )
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