72km⼀h=______m⼀s;15m⼀s=______km⼀h

72km/h=______m/s;15m/s=______km/h.
2025-05-21 16:30:52
推荐回答(1个)
回答(1):

①72km/h=72×

1
3.6
m/s=20m/s;
②15m/s=15×3.6km/h=54km/h.
故答案为:20;54.