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Bocanila111
a fost răspuns

17 hm + 10 hm = ? dam
80 dm- 500 cm = ?m
25m× 3= ?cm

Răspuns :

Puiuflorindraga
17hm+10hm=27 hm......transformati in dam=270 dam!Explic de ce:1km=10 hm.........1 hm=10 dam..........1dam= 10 m...iar 1m=10 dm=100cm......!Acum..putem lucra problema!80 -dm=800cm.-500cm=300cm....sau daca vrei....3 m.....ultima problema:25x3=75m=7500cm.!Sper ca am putut sa te ajut!Sa ai o seara placuta!
Mikelina
17 hm+10 hm=27 hm=270 dam
80 dm-500 cm=8 m-5 m=3 m
25 m×3=75 m=7500 cm