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250 m +... =10 hm
400 m +...=1 km
30 cm + 4 dm = ... mm
15 dm - 95 cm =...cm
1900 dm - 4780 cm =...dm

va rog dau coroana ! repedeeee!


Răspuns :

250m + 750m=10hm

400m + 600m=1km

30cm=300mm, 4dm=400mm=

300mm+400mm=700mm

15dm=150cm

150cm-95cm=55cm

4780cm=478dm

1900dm-478dm=1422dm

Cu placere!