5M/S=?KM/HM/S25CM/S=?M/S
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5M/S=?KM/HM/S25CM/S=?M/S
如5km/min= km/h= m/h= km/s= m/s
5m/s=( )km/h
5m/s=多少Km/h
5Km/h=?m/s
km/h=?m/s?
10m/s=?km/s
108Km/s=多少m/s?
36km/s=几m/s
1km/s=( )m/s
km和hm的进率是什么?(1km=?hm ) (1hm=?km)
单位换算:54km/h= m/s 5m/s= km/h
请问2.56km=[ ]km=[ ]hm
108km/h= m/s 8m/s= 108km/h= m/s8m/s= km/s
hm是什么单位呀?3000hm=( )km
1km/min=?km/h=?m/h=?km/s= m/s
科学换算 紧急!(1.)54km/h=54乘( ) = ( )m/s (2) 5m/s=5乘( )=( )km/h (3) 10m/s=( )km/h (4) 72km/h=( )m/s(5) 54m/s=( )km/h (6) 18km/h=( )m/s(7) 12.5m/s=( )km/h
1m/s=多少km/s;1km/h=多少m/s