测得篮球的体积V=7100l立方厘米，用计算器求篮球的半径r。

\u4e00\u4e2a\u7bee\u7403\u7684\u4f53\u79ef\u662f3930\u03c0\u7acb\u65b9\u5398\u7c73\uff0c\u6c42\u8be5\u7bee\u7403\u7684\u534a\u5f84r\u3002\uff08\u7403\u7684\u4f53\u79efV=4\uff0f3\u03c0r\u7684\u7acb\u65b9<3>\uff09

\u4f60\u5012\u8fc7\u6765\u7b97\u4e0d\u5c31\u51fa\u6765\u4e86``?

3930\u03c0\u7acb\u65b9\u5398\u7c73=4\uff0f3\u03c0r\u7684\u7acb\u65b9

\u6d88\u53bb\u6d3e, \u75283930\u9664\u4ee54/3\u5f972947.5, \u7136\u540e\u5f00\u7acb\u65b9,\u4e0d\u8fc7\u521d\u4e00\u8c8c\u4f3c\u6ca1\u6709\u6559\u5f00\u7acb\u65b9\u5427? \u53cd\u6b63\u4e00\u6837,\u62ff\u8ba1\u7b97\u5668\u7b97\u7684,

\u8fd9\u91cc\u7b97\u51fa\u6765\u7684\u5c31\u662f\u5398\u7c73\u4e86
\u5927\u698214.33\u5398\u7c73



```````````````


\u4f60\u5217\u5f0f\u554a,

\u5c31\u5199

\u7b54:\u7531\u516c\u5f0f
\u5f973930\u03c0\u7acb\u65b9\u5398\u7c73=4\uff0f3\u03c0r\u7684\u7acb\u65b9

(\u5982\u679c\u8001\u5e08\u8981\u8be6\u7ec6\u7684\u8bdd,\u4f60\u5c31\u4e00\u6b65\u6b65\u5316\u7b80)

\u6d88\u53bb\u6d3e
\u5f973930\u03c0\u7acb\u65b9\u5398\u7c73=4\uff0f3r\u7684\u7acb\u65b9
\u75283930\u03c0\u7acb\u65b9\u5398\u7c73\u9664\u4ee54/3

\u5f97\u534a\u5f84\u7684\u7acb\u65b9\u7b49\u4e8e2947.5\u7acb\u65b9\u5398\u7c73
\u5f00\u65b9\u5f97\u7ea614.33\u5398\u7c73

\u7b54:xxxxxxx

(4/3)\u00d7\u03c0\u00d7r³=9850;
r=13.3\u5398\u7c73

\u60a8\u597d\uff0c\u5f88\u9ad8\u5174\u4e3a\u60a8\u89e3\u7b54\uff0cskyhunter002\u4e3a\u60a8\u7b54\u7591\u89e3\u60d1
\u5982\u679c\u672c\u9898\u6709\u4ec0\u4e48\u4e0d\u660e\u767d\u53ef\u4ee5\u8ffd\u95ee\uff0c\u5982\u679c\u6ee1\u610f\u8bb0\u5f97\u91c7\u7eb3
\u5982\u679c\u6709\u5176\u4ed6\u95ee\u9898\u8bf7\u91c7\u7eb3\u672c\u9898\u540e\u53e6\u53d1\u70b9\u51fb\u5411\u6211\u6c42\u52a9\uff0c\u7b54\u9898\u4e0d\u6613\uff0c\u8bf7\u8c05\u89e3\uff0c\u8c22\u8c22\u3002
\u795d\u5b66\u4e60\u8fdb\u6b65

球的体积公式为：v=4πR³/3 7100=4πR³/3 R³=7100*3/4π

dvfd

娴嬪緱绡悆鐨勪綋绉疺=7100l绔嬫柟鍘樼背,鐢ㄨ绠楀櫒姹傜鐞冪殑鍗婂緞r銆
绛旓細鐞冪殑浣撶Н鍏紡涓猴細v=4蟺R³/3 7100=4蟺R³/3 R³=7100*3/4蟺

璋佹湁灏忓鍗囧垵涓殑涓浜涙暟瀛︾粌涔犻鍟!蹇揩銆傘傘
绛旓細hfhdhsgthsghj

浜烘暀鐗堝垵浜屼笅瀛︽湡鏈熶腑鑰冭瘯鐗╃悊璇曞嵎
绛旓細30.寮圭哀绉や笅鎸傜潃涓涓墿浣,褰撶墿浣撻愭笎娴稿叆姘翠腑鏃,寮圭哀绉ょ殑绀烘暟灏嗛愭笎 ,鐗╀綋鍙楀埌鐨勬诞鍔涘皢閫愭笎 ;鑻ュ皢涓涓┖蹇冪殑閲戝睘鐞冩蹈娌″湪姘翠腑鍚,闅忕潃閲戝睘鐞冧笂娴,闇插嚭姘撮潰鐨勪綋绉閫愭笎澧炲ぇ,姝ゆ椂杩樺簲鎵鍙楃殑娴姏灏嗛愭笎 ,鐞冩墍鍙楃殑閲嶅姏 ,褰撶悆娴湪姘撮潰涓婇潤姝㈡椂,鎵鍙楁诞鍔 瀹冪殑閲嶅姏銆(濉滃澶р濄佲滀笉鍙樷濄佲滃噺灏忊)31.閲90鐗涚殑...

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