从一加二加三加四加五加六加七加八加九，一直加到，2012
\u4e00\u52a0\u4e8c\u51cf\u4e09\u51cf\u56db\u52a0\u4e94\u52a0\u516d\u51cf\u4e03\u51cf\u516b\u52a0...2011-2012\u600e\u4e48\u89e3(1+2-3-4)=4 (5+6-7-8)=4 (9+10-11-12)=4
()()()()()()()()()()()()()()()()()()()()()()()\u90fd=4
\uff08\uff09\uff08\uff09\uff08\uff09\u6709\uff082012\u96644=503\uff09
503\u4e584=2012
\u9996\u5148\uff0c\u5982\u679c\u7b54\u6848\u662f\u7b80\u5355\u768455\uff0c\u90a3\u662f\u5c0f\u5b66\u751f\u90fd\u4f1a\u7684\uff0c\u4e0d\u4f1a\u5728\u8fd9\u95ee\u8fd9\u79cd\u65e0\u804a\u7684\u9898\u76ee\uff1b
\u5176\u6b21\uff0c\u8fd9\u4e2a\u9898\u76ee\u662f\u8fd9\u6837\u5199\u7684\uff0c\u6ce8\u610f\uff1a\u201c\u4e00\u52a0\u4e8c\u52a0\u4e09...\u201c\uff0c\u6b63\u5e38\u7684\u6570\u5b66\u9898\u662f\u4e0d\u4f1a\u5168\u90e8\u90fd\u7528\u6c49\u5b57\u6765\u8868\u793a\u7684\uff0c\u6570\u5b66\u7684\u8bdd1+2+3\u2026\u2026+10\u7684\u6548\u679c\u6bd4\u8f83\u597d\u5427\uff1b
\u6700\u540e\uff0c\u8fd9\u4e2a\u9898\u76ee\u662f\u95ee\u4e3a\u4ec0\u4e48\u4e00\u52a0\u4e8c\u52a0\u4e09.....\u7b49\u4e8e49\uff0c\u800c\u6ca1\u95ee\u906e\u4f53\u662f\u5426\u662f\u7b49\u4e8e55\u8fd8\u662f\u51fa\u9519\u4e86\u4ec0\u4e48\u7684\u3002
\u90a3\u4e48\uff0c\u6211\u60f3\u8fd9\u4e2a\u9898\u53ef\u4ee5\u4ece\u6bd4\u5212\u4e0a\u8003\u8651\uff0c\u4f46\u662f\u5931\u8d25\u4e86\uff0c\u52a0\u5b57\u5c31\u67095\u7b14\uff0c\u8d85\u8fc749\u4e86\uff0c\u53cd\u6b63\u4f30\u8ba1\u4e0d\u4ece\u7b80\u5355\u7684\u89d2\u5ea6\u53bb\u60f3\u7684\uff0c\u53ef\u80fd\u662f\u5076\u5199\u522b\u7684\u8d44\u6599\u6216\u8005\u4ec0\u4e48\u7684\uff0c\u4e5f\u53ef\u80fd\u662f\u4e2a\u5bc6\u7801\u7ec4\u5408\u4e5f\u8bf4\u4e0d\u5b9a\u3002
2025078，就是用第一个加最后一个再乘最后一个的1/2
(1＋2012)×(2012÷2)
(2012+1)+(2012-1)
2025078
2012
绛旓細1+2+3+4+5+6+7+8+7+6+5+4+3+2+ 1梅888888x888888 =1+2+3+4+5+6+7+8+7+6+5+4+3+2+1 =(1+2+3+4+5+6+7)x2+8 =(1鍗7)x7x2/2鍗8 =56+8 =64
绛旓細绛旀鏄5050 楂樻柉鐢ㄥ緢绠鍗曠殑鏂规硶绠楀嚭鏉ョ殑 灏辨槸鎶婃渶鍚庝竴浣嶅拰绗竴浣嶅姞璧锋潵 涓娆＄被鎺 鏈鍚庢槸50+51 閮界瓑浜101 姝ｅソ鏄50涓101 鎵浠50*101=5050
绛旓細鍏舵锛岃繖涓鐩槸杩欐牱鍐欑殑锛屾敞鎰忥細鈥涓鍔犱簩鍔犱笁...鈥滐紝姝ｅ父鐨勬暟瀛﹂鏄笉浼氬叏閮ㄩ兘鐢ㄦ眽瀛楁潵琛ㄧず鐨勶紝鏁板鐨勮瘽1+2+3鈥︹+10鐨勬晥鏋滄瘮杈冨ソ鍚э紱鏈鍚庯紝杩欎釜棰樼洰鏄棶涓轰粈涔堜竴鍔犱簩鍔犱笁...绛変簬49锛岃屾病闂伄浣撴槸鍚︽槸绛変簬55杩樻槸鍑洪敊浜嗕粈涔堢殑銆傞偅涔堬紝鎴戞兂杩欎釜棰樺彲浠ヤ粠姣斿垝涓婅冭檻锛屼絾鏄け璐ヤ簡锛屽姞瀛楀氨鏈5绗旓紝...
绛旓細寰堢畝鍗曞氨鏄紙棣栭」+鏈」锛壝楅」鏁懊2涔熷氨鏄涓涓暟瀛楀姞涓婃渶鍚庝竴涓暟瀛楃殑鍜屼箻浠ヤ竴鍏辨湁澶氬皯涓暟瀛 鍐嶉櫎浠ヤ簩 甯﹀埌浣犵殑棰樼洰閲屽氨鏄紙1+20锛壝20梅2=210鎵浠ヤ綘鐨勯鐩瓟妗堢瓑浜210 璇烽噰绾筹紒
绛旓細1+2+3+4+...+29 =1+29+2+28+3+27+...+14+16+15 =30+30+30+...+15 =30X28/2+15 =420+15 =435 姹傞噰绾筹紒锛侊紒
绛旓細涓嶆槸
绛旓細绛変簬浜斿崄浜
绛旓細鏈1銆3銆5銆7銆1993浜斾釜濂囨暟 鎵浠ュ拰鏄鏁
绛旓細5051锛岀敤1+100,2+99...鍔犱笅鍘伙紝灏辨槸50涓101锛岀劧鍚庡姞涓1锛屽氨鏄5050+1=5051
绛旓細涓鍔犱竴绛浜屽姞浜绛鍥涘姞涓绛涓冨姞鍥绛夊崄涓鍔犱簲绛夊崄鍏鍔犲叚绛変簩鍗佷簩鍔犱竷绛変簩鍗佷節銆
