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1) + 4 × 537: 4 × 1 +(4 × 5)38: (4 × 1) + (4 × 5)39: 4 ÷ 1 + 4 × 540: (4 ÷ 1) + 4 × 541: 4 ÷ 1 +(4 × 5)42: (4 ÷ 1) + (4 × 5)43: 4 + 1 × 5 × 444: 4 + (1 × 5) × 445: 4 + (1 × 5 × 4)46: 4 + ((1 × 5) × 4)47: 4 + (1 × (5 × 4))48: 4 + 1 ×(5 × 4)49: 4 × 1 + 5 × 450: (4 × 1) + 5 × 451: 4 × 1 +(5 × 4)52: (4 × 1) + (5 × 4)53: 4 × 1 × 5 + 454: (4 × 1) × 5 + 455: (4 × 1 × 5) + 456: ((4 × 1) × 5) + 457: (4 × (1 × 5)) + 458: 4 × (1 × 5) + 459: 4 ÷ 1 + 5 × 460: (4 ÷ 1) + 5 × 461: 4 ÷ 1 +(5 × 4)62: (4 ÷ 1) + (5 × 4)63: 4 ÷ 1 × 5 + 464: (4 ÷ 1) × 5 + 465: (4 ÷ 1 × 5) + 466: ((4 ÷ 1) × 5) + 467: (4 ÷ (1 ÷ 5)) + 468: 4 ÷ (1 ÷ 5) + 469: 4 + 4 × 1 × 570: 4 + (4 × 1) × 571: 4 + (4 × 1 × 5)72: 4 + ((4 × 1) × 5)73: 4 + (4 × (1 × 5))74: 4 + 4 ×(1 × 5)75: 4 + 4 ÷ 1 × 576: 4 + (4 ÷ 1) × 577: 4 + (4 ÷ 1 × 5)78: 4 + ((4 ÷ 1) × 5)79: 4 + (4 ÷ (1 ÷ 5))80: 4 + 4 ÷(1 ÷ 5)81: 4 + 4 × 5 × 182: (4 + 4 × 5) × 183: (4 + (4 × 5)) × 184: 4 + (4 × 5) × 185: 4 + (4 × 5 × 1)86: 4 + ((4 × 5) × 1)87: 4 + (4 × (5 × 1))88: 4 + 4 ×(5 × 1)89: 4 + 4 × 5 ÷ 190: (4 + 4 × 5) ÷ 191: (4 + (4 × 5)) ÷ 192: 4 + (4 × 5) ÷ 193: 4 + (4 × 5 ÷ 1)94: 4 + ((4 × 5) ÷ 1)95: 4 + (4 × (5 ÷ 1))96: 4 + 4 ×(5 ÷ 1)97: 4 + 5 × 1 × 498: 4 + (5 × 1) × 499: 4 + (5 × 1 × 4)100: 4 + ((5 × 1) × 4)101: 4 + (5 × (1 × 4))102: 4 + 5 ×(1 × 4)103: 4 + 5 ÷ 1 × 4104: 4 + (5 ÷ 1) × 4105: 4 + (5 ÷ 1 × 4)106: 4 + ((5 ÷ 1) × 4)107: 4 + (5 ÷ (1 ÷ 4))108: 4 + 5 ÷(1 ÷ 4)109: 4 × 5 + 1 × 4110: (4 × 5) + 1 × 4111: 4 × 5 +(1 × 4)112: (4 × 5) + (1 × 4)113: 4 × 5 × 1 + 4114: (4 × 5) × 1 + 4115: (4 × 5 × 1) + 4116: ((4 × 5) × 1) + 4117: (4 × (5 × 1)) + 4118: 4 × (5 × 1) + 4119: 4 × 5 ÷ 1 + 4120: (4 × 5) ÷ 1 + 4121: (4 × 5 ÷ 1) + 4122: ((4 × 5) ÷ 1) + 4123: (4 × (5 ÷ 1)) + 4124: 4 × (5 ÷ 1) + 4125: 4 + 5 × 4 × 1126: (4 + 5 × 4) × 1127: (4 + (5 × 4)) × 1128: 4 + (5 × 4) × 1129: 4 + (5 × 4 × 1)130: 4 + ((5 × 4) × 1)131: 4 + (5 × (4 × 1))132: 4 + 5 ×(4 × 1)133: 4 + 5 × 4 ÷ 1134: (4 + 5 × 4) ÷ 1135: (4 + (5 × 4)) ÷ 1136: 4 + (5 × 4) ÷ 1137: 4 + (5 × 4 ÷ 1)138: 4 + ((5 × 4) ÷ 1)139: 4 + (5 × (4 ÷ 1))140: 4 + 5 ×(4 ÷ 1)141: 4 × 5 + 4 × 1142: (4 × 5) + 4 × 1143: (4 × 5 + 4) × 1144: ((4 × 5) + 4) × 1145: 4 × 5 +(4 × 1)146: (4 × 5) + (4 × 1)147: 4 × 5 + 4 ÷ 1148: (4 × 5) + 4 ÷ 1149: (4 × 5 + 4) ÷ 1150: ((4 × 5) + 4) ÷ 1151: 4 × 5 +(4 ÷ 1)152: (4 × 5) + (4 ÷ 1)153: 5 × 1 × 4 + 4154: (5 × 1) × 4 + 4155: (5 × 1 × 4) + 4156: ((5 × 1) × 4) + 4157: (5 × (1 × 4)) + 4158: 5 × (1 × 4) + 4159: 5 ÷ 1 × 4 + 4160: (5 ÷ 1) × 4 + 4161: (5 ÷ 1 × 4) + 4162: ((5 ÷ 1) × 4) + 4163: (5 ÷ (1 ÷ 4)) + 4164: 5 ÷ (1 ÷ 4) + 4165: 5 × 4 + 1 × 4166: (5 × 4) + 1 × 4167: 5 × 4 +(1 × 4)168: (5 × 4) + (1 × 4)169: 5 × 4 × 1 + 4170: (5 × 4) × 1 + 4171: (5 × 4 × 1) + 4172: ((5 × 4) × 1) + 4173: (5 × (4 × 1)) + 4174: 5 × (4 × 1) + 4175: 5 × 4 ÷ 1 + 4176: (5 × 4) ÷ 1 + 4177: (5 × 4 ÷ 1) + 4178: ((5 × 4) ÷ 1) + 4179: (5 × (4 ÷ 1)) + 4180: 5 × (4 ÷ 1) + 4181: 5 × 4 + 4 × 1182: (5 × 4) + 4 × 1183: (5 × 4 + 4) × 1184: ((5 × 4) + 4) × 1185: 5 × 4 +(4 × 1)186: (5 × 4) + (4 × 1)187: 5 × 4 + 4 ÷ 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13)) × 218: (8 + 13 - 9) × 219: ((8 + 13) - 9) × 220: (8 + (13 - 9)) × 221: 9 ÷ (2 - 13 ÷ 8)22: 9 ÷ (2 - (13 ÷ 8))23: (9 - 13) × (2 - 8)24: (13 + 8 - 9) × 225: ((13 + 8) - 9) × 226: (13 + (8 - 9)) × 227: (13 - 9 + 8) × 228: ((13 - 9) + 8) × 229: (13 - (9 - 8)) × 230: (13 - 9) × (8 - 2)