64的平方根是
64\u7684\u5e73\u65b9\u6839\u662f(),\u7acb\u65b9\u6839\u662f();3\u221a-125\u7684\u76f8\u53cd\u6570\u662f();(\u221a15)-4\u7684\u7edd\u5bf9\u503c\u662f()
\u89e3\uff1a64\u7684\u5e73\u65b9\u6839\u662f(\u00b18),\u7acb\u65b9\u6839\u662f(4);3\u221a-125\u7684\u76f8\u53cd\u6570\u662f(5);(\u221a15)-4\u7684\u7edd\u5bf9\u503c\u662f(4-\u221a15)
\u60a8\u597d\uff1a
(-1)\u7684\u5e73\u65b9\u7684\u7acb\u65b9\u6839+-8\u7684\u7acb\u65b9\u6839- l1-\u221a3 l
=1-2-\u221a3+1
=-\u221a3
\u4e0d\u660e\u767d\uff0c\u53ef\u4ee5\u8ffd\u95ee\u5982\u6709\u5e2e\u52a9\uff0c\u8bb0\u5f97\u91c7\u7eb3
\u5982\u8ffd\u52a0\u5176\u5b83\u95ee\u9898\uff0c\u91c7\u7eb3\u672c\u9898\u540e\u53e6\u53d1\u5e76\u70b9\u51fb\u5411\u6211\u6c42\u52a9\uff0c\u8c22\u8c22
\u795d\u5b66\u4e60\u8fdb\u6b65\uff01
64的平方根是±8； -
64鐨勫钩鏂规牴鏄澶氬皯
绛旓細64鐨勫钩鏂规牴鏄 姝ｈ礋8 64鐨勭畻鏁板钩鏂规牴鏄 8
64鐨勫钩鏂规牴鏄浠涔
绛旓細卤8銆傛牴鎹煡璇㈢櫨搴﹂搴撹瘯棰樻樉绀猴紝64鐨勫钩鏂规牴鏄粈涔堛傜瓟妗堟槸卤8锛屽洜涓轰竴涓鏁版湁涓や釜骞虫柟鏍癸紝涓斿畠浠簰涓虹浉鍙嶆暟锛屾墍浠64鐨勫钩鏂规牴鏄8銆傚钩鏂规牴鍙堝彨浜屾鏂规牴锛岃〃绀轰负锛毬辨牴鍙凤紝鍏朵腑灞炰簬闈炶礋鏁扮殑骞虫柟鏍圭О涔嬩负绠楁湳骞虫柟鏍广傚钩鏂规牴鍙互鏄鏁般佽礋鏁般侀浂锛岃岀畻鏈钩鏂规牴鍙兘鍙栭浂鍙婃鏁帮紝鍗抽潪璐熸暟銆
64鐨勫钩鏂规牴鏄澶氬皯
绛旓細64鐨勫钩鏂规牴鏄8銆傗埖锛卤8锛2=64锛屸埓64鐨勫钩鏂规牴卤8锛屽嵆卤64=卤8锛屽埄鐢ㄥ钩鏂规牴鐨勫畾涔夋眰瑙ｏ紝涓涓鏁版湁涓や釜骞虫柟鏍癸紝瀹冧滑浜掍负鐩稿弽鏁帮紱0鐨勫钩鏂规牴鏄0锛涜礋鏁版病鏈夊钩鏂规牴銆備竴涓鏁版湁涓や釜骞虫柟鏍癸紝涓斿畠浠簰涓虹浉鍙嶆暟.64鐨勫钩鏂规牴鏄8銆
64鐨勫钩鏂规牴鏄澶氬皯
绛旓細64鐨勫钩鏂规牴璁颁负锛毬扁垰64=卤8锛64鐨勭畻鏈钩鏂规牴璁颁负锛氣垰64=8.銆愬垏璁帮細鈭64鈮犅8銆
64鐨绠楁暟骞虫柟鏍?
绛旓細64鐨勭畻鏈钩鏂规牴鏄8銆戔垰64=鈭8²=8
64鐨勫钩鏂规牴鏄澶氬皯
绛旓細骞虫柟鏍规槸8鎴栬-8銆傛牴鎹櫨搴﹂搴撴煡璇㈠緱鐭ワ紝鎴戜滑鐭ラ亾82=64锛屽洜涓8涔樹互8绛変簬64銆傛墍浠ワ紝8鏄64鐨勪竴涓钩鏂规牴锛屾垜浠繕鍙互鍙戠幇-82=64锛屽洜涓-8涔樹互-8涔熺瓑浜64銆傛墍浠ワ紝-8涔熸槸64鐨勪竴涓钩鏂规牴銆傚洜姝わ紝64鐨勫钩鏂规牴鏄卤8銆傛敞鎰忥紝涓涓鏁版湁涓や釜骞虫柟鏍癸紝瀹冧滑浜掍负鐩稿弽鏁般傛墍浠ワ紝64鐨勫钩鏂规牴鏄8鎴栬-8銆傚钩鏂规牴...
64鐨勫钩鏂规牴鏄
绛旓細卤8 璇曢鍒嗘瀽锛氫竴涓鏁版湁涓や釜骞虫柟鏍癸紝瀹冧滑浜掍负鐩稿弽鏁.64鐨勫钩鏂规牴鏄8锛庣偣璇勶細鏈灞炰簬鍩虹搴旂敤棰橈紝鍙渶瀛︾敓鐔熺粌鎺屾彙骞虫柟鏍圭殑瀹氫箟锛屽嵆鍙畬鎴愶紟
64鐨勫钩鏂规牴鏄浠涔(瑕佹湁杩囩▼)
绛旓細鍥炵瓟锛64 = 8*8 = 8^2 鎵浠 鏍瑰彿64 = 8
64鐨勫钩鏂规牴鏄?
绛旓細64鐨勫钩鏂规牴锛8锛-8 64鐨勭畻鏈钩鏂规牴锛8
64鐨勫钩鏂规牴鏄澶氬皯
绛旓細64鐨勫钩鏂规牴鏄+8鎴-8 璇勮| 2013-08-21 14:13dtwx2010qiao|鍏骇 鏍瑰彿涓64 = 卤8 璇勮| 2013-08-21 14:14changyang2004|浜岀骇 64鐨勫钩鏂规牴鏈変袱涓,涓烘璐8,绠楁湳骞虫柟鏍逛负8 璇勮| 2013-08-21 14:13鏍兼牸鏈9|涓绾 姝ｈ礋8 璇勮| 2013-08-21 14:15涓鍙瓙鐞︽暟缁电緤| 鏉ヨ嚜鎵嬫満鐭ラ亾|涓绾 姝ｈ礋8 璇勮...
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