1. 30.000 dm/detik .... hm/menit 30.00 dm : .... 1 Detik : .... 2. 2km/menit ... m/jam 2km: ....... m 1menit: ..... jam

1) 30.000 dm/detik = .... hm/menit
30.000:1000 = 30 hm/detik
30 x 60 = 1800

2) 2 km/menit = .... m/jam
2 x 1000 = 2000 m/jam
2000 x 60 = 120.000.

semoga bermanfaat :-)