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Calculati in cm :
20 m+15 cm+1,2 dm


Răspuns :

20 m = 20 • 100 = 2000cm
15 cm = 15 cm
1,2 dm = 1,2 • 10 = 12 cm
2000 + 15 + 12 = 2027 cm
20 m+15 cm+1,2 dm=
=2000cm+15cm+12cm
=2027 cm