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a fost răspuns

30m = ? Cm
20km = ? m
4hm+ 3km = ? m

Răspuns :

PutereDinu

[tex]30\ m=3\ 000 \ cm; \\ 20\ km=20\ 000\ m; \\ 4 \ hm+3\ km=400 \ m+3\ 000\ m=3\ 400 \ m;[/tex]

Răspuns:

30m=3000cm

20km=20000m

4hm+3km=400m+3000m=3400m

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