实数36的算术平方根是______.
∵62=36,
∴36的算术平方根是6.
Which condition represents the appropriate time for setting off distress flares and rockets? ()
A.Only when there is a chance of their being seen by rescue vessels
B.At half hour intervals
C.At one hour intervals
D.Immediately upon abandoning the vessel
十、五、三车距离信号其速度要求分别为()。(B、3、X)[05-00-03-01][020103]
A.10km/h、7km/h、5km/h
B.15km/h、10km/h、5km/h
C.15km/h、10km/h、3km/h
D.10km/h、5km/h、3km/h