Bài 1:
a. 180km/h=50m/s
$180:$$3,6$=$50$ $(m/s)$
b. 220km/h=61,1 $(km/h)$
$220:$$3,6$=$61,1$ $(m/s)$
c. 62km/h=17,2m/s
$62:$$3,6$=$17,2$ $(m/s)$
d. 100km/h=27,7m/s
$62:$$3,6$=$27,7$ $(m/s)$
Bài 2:
a. 60m/s=216km/h
$60.$$3,6$=$216$ $(m/s)$
b. 10m/s=36km/h
$10.$$3,6$=$36$ $(m/s)$
c. 40m/s=144km/h
$40.$$3,6$=$144$ $(m/s)$
d. 54m/s=194,4km/h
$54.$$3,6$=$194,4$ $(m/s)$
#doaminhphuc2008
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