0.25rev/sec는 몇 도/초(°/sec)인가?
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			0.25rev/sec는 몇 도/초(°/sec)인가?
30?/sec
45?/sec
60?/sec
90?/sec
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	0.25rev/sec는 몇 도/초(°/sec)인가?
30?/sec
45?/sec
60?/sec
90?/sec