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Completeaza spatiile punctate:
4m=40.....=4000.....=400....=....m
8km=.......dam=80......=......m=......km
90hm=......dm=9000......=.....dam
5000dam=....km=500.....=.....hm=.......dm
30000dm=30....=......dam=3000.....=3..=dm
700.000cm=700...=7...=70....=7000...dam