Respuesta :

3cm x 7.5cm x 12 cm = 3 x[ 7.5( 10 + 2)]

= 3 x [75 + 15]

= 3( 90) = 270 cubic cm

[tex]\text{Solution: 3cm}\times7.5\operatorname{cm}\times12\operatorname{cm}=270cm^3[/tex]

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