64 的立方根是
64\u7684\u5e73\u65b9\u6839\u7684\u7acb\u65b9\u6839\u662f\uff3f\u300264\u7684\u5e73\u65b9\u6839\u662f\u00b18
8\u7684\u7acb\u65b9\u6839\u662f2
-8\u7684\u7acb\u65b9\u6839\u662f-2
\u6240\u4ee564\u7684\u5e73\u65b9\u6839\u7684\u7acb\u65b9\u6839\u662f\u00b12
64\u7684\u7acb\u65b9\u6839\u7684\u5e73\u65b9\u68394
∵
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