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aflati volumul unui cub cu muchia de: a)10cm b)2intreg si 2 treimi c)4,(6)

Răspuns :

a) V= l^3=1000
b) V=[2(2/3)]^3= (8/3)^3=512/27
c)4,(6)=46/9.....V=(46/9)^3= 97336/729