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efectuați :
[tex]18m ...cm[/tex]
[tex]20dm {}^{3} ...m {}^{3} [/tex]
[tex]68000mm {}^{2} ...dm {}^{2} [/tex]
[tex]5dm {}^{2 } ...cm {}^{2} [/tex]




Răspuns :

1800cm
0,02m3
6,8dm2
500cm2