64的平方根是几?立方根呢? 负的根号64的立方根是多少?算术平方根是多少?
\u6839\u53f764\u7684\u7acb\u65b9\u6839\u7684\u5e73\u65b9\u6839\u662f\u591a\u5c11\u6839\u53f764=8
8\u7684\u7acb\u65b9\u6839=2
2\u7684\u5e73\u65b9\u6839=\u00b1\u6839\u53f72
\u56e0\u4e3a\uff1a\u8d1f\u7684\u6839\u53f764\u662f-8
\u6240\u4ee5\uff1a\u3010\u8d1f\u7684\u6839\u53f764\u7684\u7acb\u65b9\u6839\u662f-2\u3011
\u56e0\u4e3a\uff1a\u8d1f\u6570\u5728\u5b9e\u6570\u5185\u7b97\u672f\u5e73\u65b9\u6839\u65e0\u610f\u4e49
\u6240\u4ee5\uff1a\u3010\u8d1f\u7684\u6839\u53f764\u6ca1\u6709\u7b97\u672f\u5e73\u65b9\u6839\u3011
\u4e0d\u61c2\u8ffd\u95ee~
\u5982\u679c\u4f60\u5b66\u8fc7\u590d\u6570
\u90a3\u4e48\uff1a\u3010\u8d1f\u7684\u6839\u53f764\u7684\u7b97\u672f\u5e73\u65b9\u6839\u662f2\u221a2*i\u3011
\u5e0c\u671b\u6211\u7684\u56de\u7b54\u5bf9\u4f60\u6709\u5e2e\u52a9\uff0c\u91c7\u7eb3\u5427O(\u2229_\u2229)O\uff01
64的平方根记为:±√64=±8;64的算术平方根记为:√64=8.
64平方根为8,立方根为4,(8*8=64,4*4*4=64)
64分之1的平方根是±8分之1,立方根是4分之1,—15又8分之5的立方根是-2分之5,125的立方根的平方根是±根号5
根号下64的平方根~~ 等于64的开4次方根,即正负2倍根号2
4096
262114
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