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transformati si calculati :

300.000  mm + 14 dam = ? dam
850 mm -- 3 dm = ? mm
1000 dm  + 79 dam = ? dam
18 hm -- 999 m = ? m
6 km -- 2999 m = ? m 
70.000 cm + 2 hm = ? hm

Răspuns :

Mozaicask
30dam+14 dam =44dam
850mm-300mm=550mm
10dam+79dam=89dam
1800m-999m=801m
6000m-2999=3001m
7+2=9hm

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