24点计算！ 24点计算的技巧是什么?
\u5728\u7ebf24\u70b9\u8ba1\u7b97\u5668\u6709\u4ee5\u4e0b\u51e0\u79cd\u7b97\u6cd5\uff1a
1\u3001[10\uff0d\ufe591\uff0b5\ufe5a]\u00d76=24
2\u3001[\ufe5910\uff0d1\ufe5a\uff0d5]\u00d76=24
3\u30016\u00d7[\ufe5910\uff0d5\ufe5a\uff0d1]=24
4\u30016\u00d7[10\uff0d\ufe591\uff0b5\ufe5a]=24
5\u3001[\ufe5910\uff0d5\ufe5a\uff0d1]\u00d76=24
6\u30016\u00d7[\ufe5910\uff0d1\ufe5a\uff0d5]=24
7\u3001\ufe591\uff0b5\ufe5a\u00d7\ufe5910\uff0d6\ufe5a=24
8\u3001[10\uff0d\ufe595\uff0b1\ufe5a]\u00d76=24
9\u30016\u00d7[10\uff0d\ufe595\uff0b1\ufe5a]=24
10\u3001\ufe5910\uff0d6\ufe5a\u00d7\ufe595\uff0b1\ufe5a=24
\u7ec4\u5408\u8fd0\u7b97\u662f\u6570\u5b66\u672f\u8bed\u3002
\u5f80\u5f80\u5199\u6210Cxy C\u662f\u6307combination,Cxy\u662f\u6307\u4ecex\u4e2a\u5143\u7d20\u4e2d,\u9009\u51fay\u4e2a\u8fdb\u884c\u7ec4\u5408,\u6709\u591a\u5c11\u79cd\u65b9\u6848,\u4f8b\u5982:
C53=10
123 124 125 134 135 145 234 235 245 345 \u8fd9\u5c31\u662f\u90a310\u79cd\u65b9\u6848
\u7ec4\u5408\u6570\u7684\u516c\u5f0f\u662f:Cxy=x!/[(x-y)!*y!]
Pnm=Cnm*Pmm
\u56e0\u4e3a\u5728N\u4e2a\u91cc\u5934\u627e\u51faM\u4e2a\u8fdb\u884c\u6392\u5217\uff08\u6709\u987a\u5e8f\u7684\uff09\uff0c\u53ef\u4ee5\u5206\u4e3a\u4e24\u6b65\u8fdb\u884c\uff0c\u9996\u5148\u5728N\u4e2a\u91cc\u5934\u6311\u51faM\u4e2a\u7ec4\u5408\uff08\u65e0\u987a\u5e8f\uff09\uff0c\u7136\u540e\u518d\u5bf9\u8fd9M\u4e2a\u8fdb\u884c\u6392\u5217\uff08\u6709\u987a\u5e8f\uff09\u3002\u6240\u4ee5Pnm=Cnm*Pmm \u3002
\u4ece\u7406\u89e3\u4e0a\u6765\u8bf4\uff0c\u4ecen\u5404\u91cc\u9762\u53d6\u51fam\u4e2a\u8fdb\u884c\u6392\u5217\u7684\u53d6\u6cd5\u603b\u6570\uff0c\u5c31\u7b49\u4e8e\u5148\u4ecen\u5404\u91cc\u9762\u53d6\u51fam\u4e2a\uff0c\u5728\u5bf9\u8fd9m\u4e2a\u8fdb\u884c\u5168\u6392\u5217\u7684\u53d6\u6cd5\u603b\u6570\u3002
\u201c\u7b9724\u70b9\u201d\u4f5c\u4e3a\u4e00\u79cd\u6251\u514b\u724c\u667a\u529b\u6e38\u620f\uff0c\u8fd8\u5e94\u6ce8\u610f\u8ba1\u7b97\u4e2d\u7684\u6280\u5de7\u95ee\u9898\u3002\u8ba1\u7b97\u65f6\uff0c\u6211\u4eec\u4e0d\u53ef\u80fd\u628a\u724c\u9762\u4e0a\u76844\u4e2a\u6570\u7684\u4e0d\u540c\u7ec4\u5408\u5f62\u5f0f\u2014\u2014\u53bb\u8bd5\uff0c\u66f4\u4e0d\u80fd\u778e\u78b0\u4e71\u51d1\u3002\u8fd9\u91cc\u5411\u5927\u5bb6\u4ecb\u7ecd\u51e0\u79cd\u5e38\u7528\u7684\u3001\u4fbf\u4e8e\u5b66\u4e60\u638c\u63e1\u7684\u65b9\u6cd5\uff1a
1\uff0e\u5229\u75283\u00d78\uff1d24\u30014\u00d76\uff1d24\u6c42\u89e3\u3002
\u628a\u724c\u9762\u4e0a\u7684\u56db\u4e2a\u6570\u60f3\u529e\u6cd5\u51d1\u62103\u548c8\u30014\u548c6\uff0c\u518d\u76f8\u4e58\u6c42\u89e3\u3002\u59823\u30013\u30016\u300110\u53ef\u7ec4\u6210\uff0810\u20146\u00f73\uff09\u00d73\uff1d24\u7b49\u3002\u53c8\u59822\u30013\u30013\u30017\u53ef\u7ec4\u6210\uff087\uff0b3\u20142\uff09\u00d73\uff1d24\u7b49\u3002\u5b9e\u8df5\u8bc1\u660e\uff0c\u8fd9\u79cd\u65b9\u6cd5\u662f\u5229\u7528\u7387\u6700\u5927\u3001\u547d\u4e2d\u7387\u6700\u9ad8\u7684\u4e00\u79cd\u65b9\u6cd5\u3002
2\uff0e\u5229\u75280\u300111\u7684\u8fd0\u7b97\u7279\u6027\u6c42\u89e3\u3002
\u59823\u30014\u30014\u30018\u53ef\u7ec4\u62103\u00d78\uff0b4\u20144\uff1d24\u7b49\u3002\u53c8\u59824\u30015\u3001J\u3001K\u53ef\u7ec4\u621011\u00d7\uff085\u20144\uff09\uff0b13\uff1d24\u7b49\u3002
3\uff0e\u5728\u6709\u89e3\u7684\u724c\u7ec4\u4e2d\uff0c\u7528\u5f97\u6700\u4e3a\u5e7f\u6cdb\u7684\u662f\u4ee5\u4e0b\u516d\u79cd\u89e3\u6cd5\uff1a\uff08\u6211\u4eec\u7528a\u3001b\u3001c\u3001d\u8868\u793a\u724c\u9762\u4e0a\u7684\u56db\u4e2a\u6570\uff09
\u2460(a\u2014b\uff09\u00d7\uff08c\uff0bd\uff09
\u5982\uff0810\u20144\uff09\u00d7\uff082\uff0b2\uff09\uff1d24\u7b49\u3002
\u2461\uff08a\uff0bb\uff09\u00f7c\u00d7d
\u5982\uff0810\uff0b2\uff09\u00f72\u00d74\uff1d24\u7b49\u3002
\u2462\uff08a\uff0db\u00f7c\uff09\u00d7d
\u5982\uff083\u20142\u00f72\uff09\u00d712\uff1d24\u7b49\u3002
\u2463\uff08a\uff0bb\uff0dc\uff09\u00d7d
\u5982\uff089\uff0b5\u20142\uff09\u00d72\uff1d24\u7b49\u3002
\u2464a\u00d7b\uff0bc\u2014d
\u598211\u00d73\uff0bl\u201410\uff1d24\u7b49\u3002
\u2465\uff08a\uff0db\uff09\u00d7c\uff0bd
\u5982\uff084\u2014l\uff09\u00d76\uff0b6\uff1d24\u7b49\u3002
\u6e38\u620f\u65f6\uff0c\u540c\u5b66\u4eec\u4e0d\u59a8\u6309\u7167\u4e0a\u8ff0\u65b9\u6cd5\u8bd5\u4e00\u8bd5\u3002
\u9700\u8981\u8bf4\u660e\u7684\u662f\uff1a\u7ecf\u8ba1\u7b97\u673a\u51c6\u786e\u8ba1\u7b97\uff0c\u4e00\u526f\u724c\uff0852\u5f20\uff09\u4e2d\uff0c\u4efb\u610f\u62bd\u53d64\u5f20\u53ef\u67091820\u79cd\u4e0d\u540c\u7ec4\u5408\uff0c\u5176\u4e2d\u6709458\u4e2a\u724c\u7ec4\u7b97\u4e0d\u51fa24\u70b9\uff0c\u5982A\u3001A\u3001A\u30015\u3002
1: (11 × 11 - 1) ÷ 5
2: ((11 × 11) - 1) ÷ 5
1，4，5，6；
1: 4 ÷ (1 - 5 ÷ 6)
2: 4 ÷ (1 - (5 ÷ 6))
3: 6 ÷ (5 ÷ 4 - 1)
4: 6 ÷ ((5 ÷ 4) - 1)
8，5，2，7。
1: 8 × (2 × 5 - 7)
2: 8 × ((2 × 5) - 7)
3: 8 × (5 × 2 - 7)
4: 8 × ((5 × 2) - 7)
5: (2 × 5 - 7) × 8
6: ((2 × 5) - 7) × 8
7: (5 × 2 - 7) × 8
8: ((5 × 2) - 7) × 8
11乘以11减1除以5
4除以（1减6分之5）
6除以（4分之5减1）
2乘5减7 得3，3乘8
别抄袭！
（11*11-1)/5
(2*5-7)*8=24
4/(1-5/6)或者6/(5/4-1)
(11*11-1)/5=24
绛旓細24鐐硅绠鍏紡5脳(4+2)-6 瑙ｉ鎬濊矾:鍥涘垯杩愮畻瑙勫垯(鎸夐『搴忚绠,鍏堢畻涔橀櫎鍚庣畻鍔犲噺,鏈夋嫭鍙峰厛绠楁嫭鍙,鏈変箻鏂瑰厛绠椾箻鏂)鍗宠劚寮忚繍绠(閫掔瓑寮忚绠)闇鍦ㄨ鍘熷垯鍓嶆彁涓嬭繘琛 瑙ｉ杩囩▼:5脳(4+2)-6 =5脳6-6 =30-6 =24
绛旓細24鐐硅绠鍏紡4-4脳(1-6)瑙ｉ鎬濊矾:鍥涘垯杩愮畻瑙勫垯(鎸夐『搴忚绠,鍏堢畻涔橀櫎鍚庣畻鍔犲噺,鏈夋嫭鍙峰厛绠楁嫭鍙,鏈変箻鏂瑰厛绠椾箻鏂)鍗宠劚寮忚繍绠(閫掔瓑寮忚绠)闇鍦ㄨ鍘熷垯鍓嶆彁涓嬭繘琛 瑙ｉ杩囩▼:4-4脳(1-6)=4+4脳5 =4+20 =24
绛旓細24鐐硅绠鍏紡0梅5+6脳4 瑙ｉ鎬濊矾:鍥涘垯杩愮畻瑙勫垯(鎸夐『搴忚绠,鍏堢畻涔橀櫎鍚庣畻鍔犲噺,鏈夋嫭鍙峰厛绠楁嫭鍙,鏈変箻鏂瑰厛绠椾箻鏂)鍗宠劚寮忚繍绠(閫掔瓑寮忚绠)闇鍦ㄨ鍘熷垯鍓嶆彁涓嬭繘琛 瑙ｉ杩囩▼:0梅5+6脳4 =0+6脳4 =0+24 =24
绛旓細绠楁硶璇﹁В锛氣憼2x6=12 鈶3x4=12 鈶12+12=24 鈶2x6+3x4=24
绛旓細锛1锛4梅[锕3锛2锕毭6]锛2锛夛箼6脳3锕氾紜锕4锛2锕氾紙3锛塠锕4梅2锕氾紜6]脳3 锛4锛2锛媅锕3脳6锕氾紜4]锛5锛4脳[锕6梅2锕氾紜3]锛6锛塠6脳锕3锛2锕歖脳4 锛7锛夛箼2锛4锕氾紜锕6脳3锕氾紙8锛2锛媅4锛嬶箼6脳3锕歖锛9锛塠锕6脳3锕氾紜2]锛4 锛10锛夛箼6脳3锕氾紜锕2锛4锕氾紙11锛塠4脳...
绛旓細24鐐硅绠 锛4+1-2锛墄8 =3x8 =24 鍥涘垯杩愮畻鐨勮繍绠楅『搴忥細1銆佷竴鑸儏鍐典笅锛屽洓鍒欒繍绠楃殑璁＄畻椤哄簭鏄細鏈夋嫭鍙锋椂锛屽厛绠楁嫭鍙烽噷闈㈢殑锛涘彧鏈夊悓涓绾ц繍绠楁椂锛屼粠宸﹀線鍙筹紱鍚湁涓ょ骇杩愮畻锛屽厛绠椾箻闄ゅ悗绠楀姞鍑忋2銆佺敱浜庢湁鐨勮绠楅鍏锋湁瀹冭嚜韬殑鐗瑰緛锛岃繖鏃惰繍鐢ㄨ繍绠楀畾寰嬶紝鍙互浣胯绠楄繃绋嬬畝鍗曪紝鍚屾椂鍙堜笉瀹规槗鍑洪敊銆傚姞娉曚氦鎹㈠緥...
绛旓細鈥滅畻24鐐鈥濅綔涓轰竴绉嶆墤鍏嬬墝鏅哄姏娓告垙锛岃繕搴旀敞鎰璁＄畻涓殑鎶宸ч棶棰橈紟璁＄畻鏃讹紝鎴戜滑涓嶅彲鑳芥妸鐗岄潰涓婄殑4涓暟鐨勪笉鍚岀粍鍚堝舰寮忊斺斿幓璇曪紝鏇翠笉鑳界瀻纰颁贡鍑戯紟杩欓噷鍚戝ぇ瀹朵粙缁嶅嚑绉嶅父鐢ㄧ殑銆佷究浜庡涔犳帉鎻＄殑鏂规硶锛1銆佸埄鐢3脳8锛24銆4脳6锛24姹傝В銆傛妸鐗岄潰涓婄殑鍥涗釜鏁版兂鍔炴硶鍑戞垚3鍜8銆4鍜6锛屽啀鐩镐箻姹傝В锛庡3銆3銆6...
绛旓細24鐐硅绠杩囩▼6梅(5梅4-1)瑙ｉ鎬濊矾:鍥涘垯杩愮畻瑙勫垯(鎸夐『搴忚绠,鍏堢畻涔橀櫎鍚庣畻鍔犲噺,鏈夋嫭鍙峰厛绠楁嫭鍙,鏈変箻鏂瑰厛绠椾箻鏂)鍗宠劚寮忚繍绠(閫掔瓑寮忚绠)闇鍦ㄨ鍘熷垯鍓嶆彁涓嬭繘琛 瑙ｉ杩囩▼:6梅(5梅4-1)=6梅0.25 =24
绛旓細"24鐐"娓告垙鏄竴涓暟瀛︽櫤鍔涙父鎴忥紝瑕佹眰鍦4寮犵墝涓夊嚭浠绘剰涓夊紶锛岄氳繃鍔犮佸噺銆佷箻銆侀櫎浠ュ強鎷彿绛杩愮畻绗璁＄畻寰楀埌缁撴灉涓24銆傝璁╁皬瀛︾敓杩涜缁冧範锛屽彲浠ユ牴鎹粬浠殑鐞嗚В鍜岃兘鍔涙按骞宠繘琛岀畝鍖:瀵逛簬鏁板瓧 2,7,7 鍜 9 锛屽彲浠ヨ繘琛屼互涓嬫楠ゆ潵鑾峰緱 24锛1. 棣栧厛锛屽皢鏁板瓧 9 鏀惧埌涓杈癸紱2. 鎺ヤ笅鏉ワ紝閫夋嫨鍏朵腑涓や釜鐩稿悓鐨...
绛旓細涓囪兘24鐐鍏紡绠楁硶涓句緥锛1銆佸埄鐢3脳8锛24銆4脳6锛24姹傝В銆傛妸鐗岄潰涓婄殑鍥涗釜鏁版兂鍔炴硶鍑戞垚3鍜8銆4鍜6锛屽啀鐩镐箻姹傝В銆傚3銆3銆6銆10鍙粍鎴愶紙10鈥6梅3锛壝3锛24绛夈傚張濡2銆3銆3銆7鍙粍鎴愶紙7锛3鈥2锛壝3锛24绛夈傚疄璺佃瘉鏄庯紝杩欑鏂规硶鏄埄鐢ㄧ巼鏈澶с佸懡涓巼鏈楂樼殑涓绉嶆柟娉曘2銆佸埄鐢0銆11鐨杩愮畻...
