Đổi đơn vị:
a/65.3km/h = m/s b/50km/h= cm/phút
c/0.52m/s= km/h d/5.5dm/s= m/s
e/205m/phút= km/s f/6.05m/s= cm/phút
g/0.3km/phút= dm/h h/305km/phút= m/h
Đáp án:
\(\begin{array}{l}
a.65,3km/h = \dfrac{{653}}{{36}}km/h\\
b.50km/h = 50.\dfrac{{100000}}{{60}}cm/p = \dfrac{{250000}}{3}cm/p\\
c.0,52m/s = 1,873km/h\\
d.5,5dm/s = 0,55m/s\\
e.205m/p = 205.\dfrac{1}{{1000.60}}km/s = \dfrac{{41}}{{12000}}km/s\\
f.6,05m/s = 6,05.100.60cm/p = 36300cm/p\\
g.0,3km/p = 0,3.10000.60dm/h = 180000dm/h\\
h.305km/p = 305.\dfrac{{1000}}{{60}}m/h = \dfrac{{15250}}{3}m/h
\end{array}\)