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[" 6"cm" .Find the number of small balls...

[" 6"cm" .Find the number of small balls thus botained."],[" Ispherical ball of radius "3cm" is melted and recast into three spherical balls.The radii of the two "],[" alls are "1.5cm" and "2cm" .Find the diameter of the third ball."],[" A spherical shell of external diameter "5cm" is made of iron and weighs "400.4g" .Find the internal "],[" adius of the shell."]

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