zài / jǐ hé tí / zhōng / wǒ men / cháng cháng / xū yào / duì / tǐ jī / kāi sān cì fāng / lái / qiú / biān cháng在几何题中,我们常常需要对体积开三次方来求边长。In geometry problems, we often need to extract the cube root of a volume to find the side length.