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vor incapea 2 litri de apa intr-UN recipient de forma unui cub cu muchia de 12 cm

Răspuns :

[tex] V_{cub} [/tex]= 12x12x12 = 1728 [tex] cm^{3} [/tex]
1728 [tex] cm^{3} [/tex]  = 1,728 [tex]dm^{3} [/tex] = 1,728 litri => vor incapea doi litri de apa
( 1 litru = 1  [tex]dm^{3} [/tex] )