1樓：太陽鳥偵探
1: 4 + 12 - 5 + 13
2: (4 + 12) - 5 + 133: (4 + 12 - 5) + 134:
((4 + 12) - 5) + 135: (4 + (12 - 5)) + 136: 4 + (12 - 5) + 137:
4 + (12 - 5 + 13)8: 4 + ((12 - 5) + 13)9: 4 + (12 - (5 - 13))10:
4 + 12 -(5 - 13)11: (4 + 12) - (5 - 13)12: 4 + 12 + 13 - 5
13: (4 + 12) + 13 - 514: (4 + 12 + 13) - 515:
((4 + 12) + 13) - 516: (4 + (12 + 13)) - 517: 4 + (12 + 13) - 518:
4 + (12 + 13 - 5)19: 4 + ((12 + 13) - 5)20: 4 + (12 + (13 - 5))21:
4 + 12 +(13 - 5)22: (4 + 12) + (13 - 5)23: 4 - 5 + 12 + 13
24: (4 - 5) + 12 + 1325: (4 - 5 + 12) + 1326:
((4 - 5) + 12) + 1327: 4 - 5 +(12 + 13)28: (4 - 5) + (12 + 13)29:
(4 - (5 - 12)) + 1330: 4 - (5 - 12) + 1331: 4 - (5 - (12 + 13))32:
4 - (5 - 12 - 13)33: 4 - ((5 - 12) - 13)34: 4 × (5 - 12 + 13)35:
4 × ((5 - 12) + 13)36: 4 × (5 - (12 - 13))37: 4 - 5 + 13 + 12
38: (4 - 5) + 13 + 1239: (4 - 5 + 13) + 1240:
((4 - 5) + 13) + 1241: 4 - 5 +(13 + 12)42: (4 - 5) + (13 + 12)43:
(4 - (5 - 13)) + 1244: 4 - (5 - 13) + 1245: 4 - (5 - (13 + 12))46:
4 - (5 - 13 - 12)47: 4 - ((5 - 13) - 12)48: 4 × (5 + 13 - 12)49:
4 × ((5 + 13) - 12)50: 4 × (5 + (13 - 12))51: 4 + 13 + 12 - 5
52: (4 + 13) + 12 - 553: (4 + 13 + 12) - 554:
((4 + 13) + 12) - 555: (4 + (13 + 12)) - 556: 4 + (13 + 12) - 557:
4 + (13 + 12 - 5)58: 4 + ((13 + 12) - 5)59: 4 + (13 + (12 - 5))60:
4 + 13 +(12 - 5)61: (4 + 13) + (12 - 5)62: 4 × (13 - 12 + 5)63:
4 × ((13 - 12) + 5)64: 4 × (13 - (12 - 5))65: 4 + 13 - 5 + 12
66: (4 + 13) - 5 + 1267: (4 + 13 - 5) + 1268:
((4 + 13) - 5) + 1269: (4 + (13 - 5)) + 1270: 4 + (13 - 5) + 1271:
4 + (13 - 5 + 12)72: 4 + ((13 - 5) + 12)73: 4 + (13 - (5 - 12))74:
4 + 13 -(5 - 12)75: (4 + 13) - (5 - 12)76: 4 × (13 + 5 - 12)77:
4 × ((13 + 5) - 12)78: 4 × (13 + (5 - 12))79: 12 + 4 - 5 + 13
80: (12 + 4) - 5 + 1381: (12 + 4 - 5) + 1382:
((12 + 4) - 5) + 1383: (12 + (4 - 5)) + 1384: 12 + (4 - 5) + 1385:
12 + (4 - 5 + 13)86: 12 + ((4 - 5) + 13)87: 12 + (4 - (5 - 13))88:
12 + 4 -(5 - 13)89: (12 + 4) - (5 - 13)90: 12 + 4 + 13 - 5
91: (12 + 4) + 13 - 592: (12 + 4 + 13) - 593:
((12 + 4) + 13) - 594: (12 + (4 + 13)) - 595: 12 + (4 + 13) - 596:
12 + (4 + 13 - 5)97: 12 + ((4 + 13) - 5)98: 12 + (4 + (13 - 5))99:
12 + 4 +(13 - 5)100: (12 + 4) + (13 - 5)101: 12 ÷ 4 ×(13 - 5)102:
(12 ÷ 4) × (13 - 5)103: 12 ÷ (4 ÷ (13 - 5))104: 12 - 5 + 4 + 13105:
(12 - 5) + 4 + 13106: (12 - 5 + 4) + 13107: ((12 - 5) + 4) + 13108:
12 - 5 +(4 + 13)109: (12 - 5) + (4 + 13)110: (12 - (5 - 4)) + 13111:
12 - (5 - 4) + 13112: 12 - (5 - (4 + 13))113: 12 - (5 - 4 - 13)114:
12 - ((5 - 4) - 13)115: 12 - 5 + 13 + 4116: (12 - 5) + 13 + 4117:
(12 - 5 + 13) + 4118: ((12 - 5) + 13) + 4119: 12 - 5 +(13 + 4)120:
(12 - 5) + (13 + 4)121: (12 - (5 - 13)) + 4122: 12 - (5 - 13) + 4123:
12 - (5 - (13 + 4))124: 12 - (5 - 13 - 4)125: 12 - ((5 - 13) - 4)126:
12 + 13 + 4 - 5127: (12 + 13) + 4 - 5128: (12 + 13 + 4) - 5129:
((12 + 13) + 4) - 5130: (12 + (13 + 4)) - 5131: 12 + (13 + 4) - 5132:
12 + (13 + 4 - 5)133: 12 + ((13 + 4) - 5)134: 12 + (13 + (4 - 5))135:
12 + 13 +(4 - 5)136: (12 + 13) + (4 - 5)137: 12 + 13 - 5 + 4138:
(12 + 13) - 5 + 4139: (12 + 13 - 5) + 4140: ((12 + 13) - 5) + 4141:
(12 + (13 - 5)) + 4142: 12 + (13 - 5) + 4143: 12 + (13 - 5 + 4)144:
12 + ((13 - 5) + 4)145: 12 + (13 - (5 - 4))146: 12 + 13 -(5 - 4)147:
(12 + 13) - (5 - 4)148: (12 × (13 - 5)) ÷ 4149: 12 × (13 - 5) ÷ 4150:
12 × ((13 - 5) ÷ 4)151: (5 - 12 + 13) × 4152: ((5 - 12) + 13) × 4153:
(5 - (12 - 13)) × 4154: (5 + 13 - 12) × 4155: ((5 + 13) - 12) × 4156:
(5 + (13 - 12)) × 4157: 13 + 4 + 12 - 5158: (13 + 4) + 12 - 5159:
(13 + 4 + 12) - 5160: ((13 + 4) + 12) - 5161: (13 + (4 + 12)) - 5162:
13 + (4 + 12) - 5163: 13 + (4 + 12 - 5)164: 13 + ((4 + 12) - 5)165:
13 + (4 + (12 - 5))166: 13 + 4 +(12 - 5)167: (13 + 4) + (12 - 5)168:
13 + 4 - 5 + 12169: (13 + 4) - 5 + 12170: (13 + 4 - 5) + 12171:
((13 + 4) - 5) + 12172: (13 + (4 - 5)) + 12173: 13 + (4 - 5) + 12174:
13 + (4 - 5 + 12)175: 13 + ((4 - 5) + 12)176: 13 + (4 - (5 - 12))177:
13 + 4 -(5 - 12)178: (13 + 4) - (5 - 12)179: 13 + 12 + 4 - 5180:
(13 + 12) + 4 - 5181: (13 + 12 + 4) - 5182: ((13 + 12) + 4) - 5183:
(13 + (12 + 4)) - 5184: 13 + (12 + 4) - 5185: 13 + (12 + 4 - 5)186:
13 + ((12 + 4) - 5)187: 13 + (12 + (4 - 5))188: 13 + 12 +(4 - 5)189:
(13 + 12) + (4 - 5)190: 13 + 12 - 5 + 4191: (13 + 12) - 5 + 4192:
(13 + 12 - 5) + 4193: ((13 + 12) - 5) + 4194: (13 + (12 - 5)) + 4195:
13 + (12 - 5) + 4196: 13 + (12 - 5 + 4)197: 13 + ((12 - 5) + 4)198:
13 + (12 - (5 - 4))199: 13 + 12 -(5 - 4)200: (13 + 12) - (5 - 4)201:
(13 - 12 + 5) × 4202: ((13 - 12) + 5) × 4203: (13 - (12 - 5)) × 4204:
13 - 5 + 4 + 12205: (13 - 5) + 4 + 12206: (13 - 5 + 4) + 12207:
((13 - 5) + 4) + 12208: 13 - 5 +(4 + 12)209: (13 - 5) + (4 + 12)210:
(13 - (5 - 4)) + 12211: 13 - (5 - 4) + 12212: 13 - (5 - (4 + 12))213:
13 - (5 - 4 - 12)214: 13 - ((5 - 4) - 12)215: (13 - 5) ÷ 4 × 12216:
((13 - 5) ÷ 4) × 12217: (13 - 5) ÷ (4 ÷ 12)218: (13 + 5 - 12) × 4219:
((13 + 5) - 12) × 4220: (13 + (5 - 12)) × 4221: 13 - 5 + 12 + 4222:
(13 - 5) + 12 + 4223: (13 - 5 + 12) + 4224: ((13 - 5) + 12) + 4225:
13 - 5 +(12 + 4)226: (13 - 5) + (12 + 4)227: (13 - (5 - 12)) + 4228:
13 - (5 - 12) + 4229: 13 - (5 - (12 + 4))230: 13 - (5 - 12 - 4)231:
13 - ((5 - 12) - 4)232: (13 - 5) × 12 ÷ 4233: ((13 - 5) × 12) ÷ 4234:
(13 - 5) × (12 ÷ 4)
5之間填上什麼符號等於，5個5之間填上什麼符號等於
填上加號等bai於10。5 5 10 加法 通du常用加號 表示 是算zhi術的四個dao基本操作之一，其餘的是專減法，乘法和除法。例如，在 屬下面的 中，共有三個蘋果和兩個蘋果的組合，共計五個蘋果。該觀察結果等同於數學表示式 3 2 5 即 3加2等於5 擴充套件資料 加法有幾個重要的屬性。它是可...
在下列數字之間填上適當的運算子號和括號使式子成立1 2 3 4 5 1,1 2 3
1 2 3 4 5 1 1 2 3 4 5 6 1 在下列數中加上運算子號和括號，使等式成立 1 2 3 4 5 1 1 2 3 4 5 6 1 1 2 3 4 5 6 7 1 1 2 3 4 1 1 2 3 4 5 1 1 2 3 4 5 6 1 1 2 3 4 5 6 7 1 1 2 3 4 5...
888之間加什麼符號等於，888之間加什麼符號等於
一共3個8，3個2等於6，所以每個8都要變成2即可。方法用開根號法，反推就是一個數的立方要等於8，所以這個數是2。所以，3 8 3 8 3 8 6。中間用加號連線就可以了。8 8 8 2 2 2 6 答 8 8 8 2 2 2 6 888加什麼符號等於6 8 8 8 2 2 2 6。需要加立複方根和...