64的立方根是 . 64的立方根怎么算
\u221a64\u7684\u7acb\u65b9\u6839\u662f\u591a\u5c11\uff1f 64\u7684\u7acb\u65b9\u6839\u662f\u591a\u5c11\uff1f\u221a64\u7684\u7acb\u65b9\u6839\uff1a2\u300164\u7684\u7acb\u65b9\u6839\uff1a4
\u8ba1\u7b97\u8fc7\u7a0b\uff1a
\u221a64=\u221a(2^6)=2^(6/2)=2^3\uff0c\u6240\u4ee5\u221a64\u7684\u7acb\u65b9\u6839\u4e3a2
64\u7684\u7acb\u65b9\u6839=2^6\u7684\u7acb\u65b9\u6839=2^(6/3)=2^2=4
\u7acb\u65b9\u6839\u4ecb\u7ecd\uff1a
\u5982\u679c\u4e00\u4e2a\u6570\u7684\u7acb\u65b9\u7b49\u4e8ea\uff0c\u90a3\u4e48\u8fd9\u4e2a\u6570\u53eba\u7684\u7acb\u65b9\u6839\uff0c\u4e5f\u79f0\u4e3a\u4e09\u6b21\u65b9\u6839\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5982\u679cx³=a\uff0c\u90a3\u4e48x\u53eb\u505aa\u7684\u7acb\u65b9\u6839\u3002
\u6ce8\u610f\uff1a\u5728\u5e73\u65b9\u6839\u4e2d\u7684\u6839\u6307\u65702\u53ef\u7701\u7565\u4e0d\u5199\uff0c\u4f46\u7acb\u65b9\u6839\u4e2d\u7684\u6839\u6307\u65703\u4e0d\u80fd\u7701\u7565\u4e0d\u5199\u3002
\u6269\u5c55\u8d44\u6599\uff1a\u7acb\u65b9\u6839\u7684\u6027\u8d28\uff1a
\uff081\uff09\u5728\u5b9e\u6570\u8303\u56f4\u5185\uff0c\u4efb\u4f55\u5b9e\u6570\u7684\u7acb\u65b9\u6839\u53ea\u6709\u4e00\u4e2a\uff1b
\uff082\uff09\u5728\u5b9e\u6570\u8303\u56f4\u5185\uff0c\u8d1f\u6570\u4e0d\u80fd\u5f00\u5e73\u65b9\uff0c\u4f46\u53ef\u4ee5\u5f00\u7acb\u65b9\uff1b
\uff083\uff090\u7684\u7acb\u65b9\u6839\u662f0\uff1b
\uff084\uff09\u7acb\u65b9\u548c\u5f00\u7acb\u65b9\u8fd0\u7b97\uff0c\u4e92\u4e3a\u9006\u8fd0\u7b97\uff1b
\uff085\uff09\u5728\u590d\u6570\u8303\u56f4\u5185\uff0c\u4efb\u4f55\u975e0\u7684\u6570\u90fd\u6709\u4e14\u4ec5\u67093\u4e2a\u7acb\u65b9\u6839\uff08\u4e00\u5b9e\u6839\uff0c\u4e8c\u5171\u8f6d\u865a\u6839\uff09\uff0c\u5b83\u4eec\u5747\u5300\u5206\u5e03\u5728\u4ee5\u539f\u70b9\u4e3a\u5706\u5fc3\uff0c\u7b97\u672f\u6839\u4e3a\u534a\u5f84\u7684\u5706\u5468\u4e0a\uff0c\u4e09\u4e2a\u7acb\u65b9\u6839\u5bf9\u5e94\u7684\u70b9\u6784\u6210\u6b63\u4e09\u89d2\u5f62\uff1b
\uff086\uff09\u5728\u590d\u6570\u8303\u56f4\u5185\uff0c\u8d1f\u6570\u65e2\u53ef\u4ee5\u5f00\u5e73\u65b9\uff0c\u53c8\u53ef\u4ee5\u5f00\u7acb\u65b9\u3002
\u22354^3=64\uff0c
\u223464\u7684\u7acb\u65b9\u6839\u662f4\uff0c
\u5373\u4e09\u6b21\u221a64=4\u3002
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