用6.4.4.3怎样运算才能得到30,你能想出几种方法?
175\u00b016\u201930\u201d - 47\u00b030\u2019\u00f76+4\u00b012\u201950\u201d\u00d73 \u8ba1\u7b97\u65b9\u6cd51\u00b0=60'=3600" \u77e5\u9053\u8fd9\u4e2a\u5c31\u7b80\u5355\u4e86
175\u00b016\u201930\u201d - 47\u00b030\u2019\u00f76+4\u00b012\u201950\u201d\u00d73
=175\u00b016\u201930\u201d-7\u00b055'+12\u00b036'150"
=167\u00b021'30"+12\u00b038'30"
=179\u00b059'60"
=180\u00b0
\u6216\u8005\u4f60\u53ef\u4ee5\u628a\u5f0f\u5b50\u6309\u7167\u7b2c\u4e00\u884c\u7684\u5173\u7cfb\u5168\u90e8\u5316\u6210"\u4e4b\u540e\u518d\u8fd0\u7b97\uff0c\u6700\u540e\u518d\u5168\u90e8\u5316\u6210\u00b0
4*3*(9-6)
4*6+9+3
(9/3+6)*4
(4+4-3)*6 如果可以重复用这几个数字的话,方法就更多了
绛旓細24鐐规父鎴忚鍒欙細姣忎釜鏁板瓧鍙敤涓娆★紝浣嗗彲浠ヨ皟鎹㈤『搴忥紝鍙厑璁稿姞銆佸噺銆佷箻銆侀櫎绛夊洓鍒杩愮畻锛屽彲浠ヤ娇鐢ㄦ嫭鍙锋敼鍙樿繍绠楅『搴忋 鐢3,4,5,7绠24鐐癸紝鍏辨湁78绉嶇畻娉曘 1. 锕5锛7锕氾紜锕3脳4锕 2. [7锛嬶箼3脳4锕歖锛5 3. [锕4脳3锕氾紜7]锛5 4. 3脳[锕5锛4锕氾紜7] 5. [锕5锛4...
绛旓細13.6脳4.3+6.4脳4.3 锛濓紙13.6+6.4锛壝4.3 锛20脳4.3 锛86 浣犲ソ锛屾湰棰樺凡瑙g瓟,濡傛灉婊℃剰 璇风偣鍙充笅瑙掆滈噰绾崇瓟妗堚濄
绛旓細=6.4梅銆6.4梅0.8銆=6.4 梅8 =0.8
绛旓細4銆1/2梅2/3+5/6脳4/3-1/6= 5, 3.2梅0.2+0.3脳7.6-4.3= 6銆4.3+6.5脳2.7-6.4梅0.8= 7銆7/8+4/8脳3/4-5/8梅8/3= 8銆1/2梅2/3+5/6脳4/3-1/6= 绠渚璁$畻鏂规硶锛1銆佸湪鍚岀骇杩愮畻涓紝鍙互浠绘剰浜ゆ崲鏁板瓧鐨勪綅缃紝浣嗚杩炵潃鍓嶉潰鐨勭鍙蜂竴璧蜂氦鎹傦紙鍔犳硶鎴栦箻娉曚氦鎹㈠緥...
绛旓細3锛1.2锛4.2 0.12锛5锛5.12 1.2锛1.8锛1.4锛4.4 6.2锛16锛3.8锛26 14锛0.6锛13.4 20.3锛8锛12.3 50锛1.5锛4锛 53.5 175锛0.56锛174.44 2.08锛11锛13.089 0.4锛20锛 20.4 2.5锛67锛7.5锛77 4.5锛3锛1.5 25锛0.38锛1.62 5.4锛9.6锛15 5.6锛4...
绛旓細3.6脳4.3+3.6脳2.6+6.4脳6.9 =3.6脳锛4.3+2.6锛+6.4脳6.9 =3.6脳6.9+6.4脳6.9 =锛3.6+6.4锛壝6.9 =10脳6.9 =69
绛旓細1.4-0.8= 6.7+2.5= 3.6-1.8= 9-4.8= 8.7+3.4= 0.6+1.5= 8.4-7.5= 42.3锛15.9锛 4.1锛3.8锛 3.7-2.2= 0.78-0.39= 7.8+1.3 = 7.8-0.27= 0.27+0.01= 8.3+3.6= 0.75-0.4= 0.25+0.4= 42.9-...
绛旓細缁欐垜180閬撶畝渚杩愮畻 1.) 0.25+0.75/25*4 2. ) 4.6*3.7+4.6+4.6*5.3 3. )1.25*6.4*25 4. )35.2/銆(20.5-9.5)*0.4銆-0.6 5.) 5.08*3.5+2.52/2.4 6)(9.9+9.9*3)*2.5 7)4.66-7.7/2.5)*(1-0.45) 7)46*0.187-1.87+6.4*1.87 8)[0.02+(7.28-0.48)*1.5]/102 9)0.8*(3.2-2.99/2.3) 10...
绛旓細绠渚胯绠楁槸涓绉嶇壒娈鐨勮绠,瀹冭繍鐢ㄤ簡杩愮畻瀹氬緥涓庢暟瀛楃殑鍩烘湰鎬ц川,浠庤屼娇璁$畻绠渚,浣夸竴涓緢澶嶆潅鐨勫紡瀛愬彉寰楀緢瀹规槗璁$畻鍑哄緱鏁般傘愯劚寮忚绠椼戝嵆閫掔瓑寮忚绠,闇灏嗕竴绯诲垪鐨勬暟瀛楅愭璁$畻銆傚湪鑴卞紡璁$畻涓鍏堢畻涔樸侀櫎娉,鍚庣畻鍔犮佸噺娉曘傚湪涔橀櫎娉曡繛缁ц绠楁椂涓,瑕佹寜浠庡乏寰鍙崇殑椤哄簭渚濇璁$畻,鍦ㄥ洓鍒欒繍绠椾腑,鍔犳硶鍜屽噺娉曞彨鍋氱涓绾...
绛旓細49+51锛+50 =锛100梅2-1锛*100+50 =4900+50 =4950鈶磋繍鐢ㄥ姞娉曚氦鎹㈠緥杩涜绠渚璁$畻銆0.88锛5.6锛0.12 1.78锛3.5锛0.22 5.6锛2.08锛14.4 锛0.88锛0.12锛5.6 锛1.78锛0.22锛3.5 锛5.6锛14.4锛2.08