2的一倍？
2\u7684\u4e00\u500d\u548c2\u7684\u4e8c\u500d\u662f\u591a\u5c11\uff1f2\u7684\u4e00\u500d\u662f2\u30022\u76842\u500d\u662f4\u3002
\u89e3\u9898\u8fc7\u7a0b\u5982\u4e0b\uff1a
\u6839\u636e\u500d\u6570\u7684\u5b9a\u4e49\uff0c\u4e00\u4e2a\u6570\u9664\u4ee5\u53e6\u4e00\u6570\u6240\u5f97\u7684\u5546\u3002\u5982a\u00f7b=c\uff0c\u5c31\u662f\u8bf4\uff0ca\u662fb\u7684\u500d\u6570\u3002\u4f8b\u5982\uff1aA\u00f7B=C\uff0c\u5c31\u53ef\u4ee5\u8bf4A\u662fB\u7684C\u500d\u3002
\u800c\uff0c2\u00f72=1\uff0c\u4e5f\u5c31\u662f\u8bf42\u662f2\u76841\u500d\u3002
\u800c\uff0c4\u00f72=2\uff0c\u56e0\u6b64\uff0c2\u76842\u500d\u662f4\u3002
\u6269\u5c55\u8d44\u6599\u500d\u6570\u89c4\u5f8b
\u4efb\u610f\u4e24\u4e2a\u5947\u6570\u7684\u5e73\u65b9\u5dee\u662f8\u7684\u500d\u6570
\u8bc1\u660e\uff1a\u8bbe\u4efb\u610f\u5947\u65702n+1,2m+1,(m,n\u2208N)
\uff082m+1)2-(2n+1)2
=(2m+1+2n+1)*(2m-2n)
=4(m+n+1)(m-n)
\u5f53m,n\u90fd\u662f\u5947\u6570\u6216\u90fd\u662f\u5076\u6570\u65f6\uff0cm-n\u662f\u5076\u6570\uff0c\u88ab2\u6574\u9664
\u5f53m,n\u4e00\u5947\u4e00\u5076\u65f6\uff0cm+n+1\u662f\u5076\u6570\uff0c\u88ab2\u6574\u9664
\u6240\u4ee5(m+n+1)(m-n)\u662f2\u7684\u500d\u6570
\u52194(m+n+1)(m-n)\u4e00\u5b9a\u662f8\u7684\u500d\u6570
2\u7684\u4e00\u500d\u662f1\u00d72=2\uff0c\u4e8c\u500d\u5219\u662f2\u00d72=4\u3002=\uffe3\u03c9\uffe3=\u795d\u5b66\u4e60\u8fdb\u6b65\uff0c\u4e0d\u61c2\u53ef\u4ee5\u7ee7\u7eed\u95ee\u6211\u3002
2的一倍是2。是2×1＝2，答案是2
4
绛旓細澧炲姞1鍊嶆槸涔樹互2锛2鐨勪竴鍊嶆槸2锛2鐨勪袱鍊嶆槸4锛屽緱鍑虹殑缁撴灉鏄笉涓鏍风殑銆傗滃鍔犱竴鍊嶁濇槸鎸囧湪鍘熸湁鐨勫熀纭涓婂鍔犱簡涓瀹氱殑鏁伴噺锛屼互棰樼洰涓粰鍑虹殑渚嬪瓙锛2鈥滃鍔犱竴鍊嶁濇槸鍦2鐨勫熀纭涓婂鍔犱簡2脳1锛屽彉鎴愪簡2+2脳1=4锛屽彉鎴愪簡鍘熸潵鐨4梅2=2鍊嶃
绛旓細2鐨勪竴鍊嶅氨鏄2!閫氬父鐢熸椿涓湁鐗╁搧娴佸姩鏃跺洖璇,鎴戞瘮浣犲涓鍊,鑰屽緢灏戣鎴戠殑鏄綘鐨勪袱鍊,鏄汉浠嚜宸辨湁鏃跺欏緢瀹规槗鎰熻涓婄殑娣锋穯鑰屽凡! 鏈洖绛旂敱鎻愰棶鑰呮帹鑽 涓炬姤| 璇勮 235 73 涓勾鎴樺＋ 閲囩撼鐜:46% 鎿呴暱: 鐢熸椿甯歌瘑 鍘嗗彶璇濋 鎯呮劅鎯呯华 鑺遍笩楸艰櫕 鍣ㄤ箰/澹颁箰 鍏朵粬鍥炵瓟 2鐨勪竴鍊嶆槸2... 涓鍊嶅氨鏄箻浠ヤ竴... 寰愬皬娴呮亽...
绛旓細2鐨1鍊嶄负2銆2鐨1鍊嶈浆鍖栦负璁＄畻鍏紡涓猴細2脳1=2銆傞氫織鍦扮悊瑙ｇ殑鍊嶆暟闂锛氫竴鍊嶅氨鏄箻1锛屼簩鍊嶅氨鏄箻2锛屼笁鍊嶅氨鏄箻3锛屾牴鎹繖鏍风殑璁＄畻瑙勫緥锛屽氨鍙互渚濇璁＄畻鍑2鐨勫鍊嶄簡銆2鐨勫嶆暟鏄ぇ浜庣瓑浜2鐨勮兘琚2鏁撮櫎鐨勬暟濡2锛4锛6锛8锛10绛夌瓑銆傚嶆暟鐨勮鍒 1銆佷竴涓暣鏁拌兘澶熻鍙︿竴涓暣鏁版暣闄わ紝杩欎釜鏁存暟灏辨槸鍙︿竴...
绛旓細浜屻備换浣曟暟鐨勪竴鍊嶉兘鏄湰韬紝涓ゅ嶅氨鏄湰韬箻浠ヤ簩锛屼笁鍊嶆槸鏈韩涔樹互涓夛紝鍥犳2鐨勪竴鍊嶆槸2銆
绛旓細2銆傚洜涓轰换浣曟暟鐨勪竴鍊嶉兘鏄畠鏈韩锛屽畠鐨勪袱鍊嶅氨鏄畠鏈韩涔樹互浜岋紝杩欏氨鎰忓懗鐫2鐨勪竴鍊嶏紝璁＄畻鏂规硶鏄2脳1=2锛屽嵆2鐨勪竴鍊嶆槸2銆備竴涓暟鐨勫嶆暟鏈夋棤鏁颁釜锛屼篃灏辨槸璇翠竴涓暟鐨勫嶆暟鐨勯泦鍚堜负鏃犻檺闆嗭紝闇娉ㄦ剰鐨勬槸涓嶈兘鎶婁竴涓暟鍗曠嫭鍙仛鍊嶆暟锛屽彧鑳借璋佹槸璋佺殑鍊嶆暟銆
绛旓細鈭2*1=2 鈭2鐨勪竴鍊涓2
绛旓細2鐨勪竴鍊嶅氨鏄2!閫氬父鐢熸椿涓湁鐗╁搧娴佸姩鏃跺洖璇达紝鎴戞瘮浣犲涓鍊嶏紝鑰屽緢灏戣鎴戠殑鏄綘鐨勪袱鍊嶏紝鏄汉浠嚜宸辨湁鏃跺欏緢瀹规槗鎰熻涓婄殑娣锋穯鑰屽凡锛
绛旓細鈶2鐨勪竴鍊嶆槸2 銆傗憽鐢ㄦ潵璁＄畻涓涓暟鐨勫嚑鍊嶅彲浠ョ敤鍏紡A脳B琛ㄧず銆傗憿鐜板湪A锛2锛孊锛1浠ｅ叆鍏紡锛岃繃绋嬪涓嬶細A脳B锛2脳1锛2锛岃绠楀畬姣曘傗懀鏈夋椂鍦ㄧ敓娲讳腑鏈変汉杩樹細璇50鏄100鐨1鍊嶏紝姣斿璇磋偂绁ㄥ競鍊间粠100涓囧厓浜忓埌50涓囧厓锛岃浠栬鎴愭垜鑲＄エ浜忎簡涓鍊嶏紝浣犺娑ㄤ簡涓鍊嶏紝鎴戠煡閬撴槸浠庝簲鍗佷竾鍒颁簡涓鐧句竾锛屼綘璇翠簭浜...
绛旓細2鐨勪竴鍊嶆槸2銆傛牴鎹嶆暟鐨勫畾涔夛紝涓涓暟闄や互鍙︿竴鏁版墍寰楃殑鍟嗐傚a梅b=c锛屽氨鏄锛宎鏄痓鐨勫嶆暟銆備緥濡傦細A梅B=C锛屽氨鍙互璇碅鏄疊鐨凜鍊嶃傝岋紝2梅2=1锛屼篃灏辨槸璇2鏄2鐨1鍊嶃傝岋紝4梅2=2锛屽洜姝わ紝2鐨2鍊嶆槸4銆傜浉鍏充俊鎭細1銆佷箻娉曞師鐞嗭細濡傛灉鍥犲彉閲廸涓庤嚜鍙橀噺x1,x2,x3,鈥.xn涔嬮棿瀛樺湪鐩存帴姝ｆ瘮鍏崇郴骞朵笖...
绛旓細涓鍊嶆槸鎸囦竴涓暟涔樹竴锛屼篃灏辨槸涓庤繖涓暟鐩稿悓鐨勬暟銆傚弻鍊嶅氨鏄袱鍊嶏紝鎸囦竴涓暟涔樹簩銆傛瘮濡傦細2鐨勪竴鍊嶆槸2锛2鐨勫弻鍊嶆槸4銆備絾鏄鏋滆澶氫竴鍊嶏紝閭ｄ箞灏变笉鏄竴鍊嶇殑姒傚康浜嗭紝姣斿4姣2澶氫竴鍊嶏紝涔熷氨鏄4=2+2=2脳2銆備竴鑸潵璇达紝璇4鏄2鐨勪竴鍊嶆槸涓绉嶉氫織銆佺渷鐣ョ殑璇存硶銆5鐨1鍊嶈繕鏄5锛5涔樹互2 ,鏁扮殑涓鍊嶆槸鍏舵湰韬...
