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63 dm ori 13= cm 234km- dm =22 km

Răspuns :

63 dm=630 cm
630*13=8190 cm

234 km=2340000 dm
22 km=220000 dm
234 km-2120000 dm=22 km
63dm=630 cm
630cm x13=8190
234km=2340000 dm
22km=220000 dm
dm=2340000-220000
dm=2120000