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a fost răspuns

4,5m+12dm+1,35hm=dm
18,4dam-4,5dm=m
23,6dm+30,9cm+1,6m=mm

Răspuns :

4,5dm+12dm+13,5dm=  30 dm
184m+0,309m=184,309m
2360mm+306mm+1600mm=4266mm 
Robebe
4,5m=45dm
1,35hm=1350dm
45dm+12dm+1350dm=1407dm

18,4dam=184m
4,5dm=0,45m
184m-0,45m=184,45m

23,6dm=2360mm
30,9cm=309mm
1,6m=1600mm
2360mm+309mm+1600mm=3269mm

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