3,5,7,8,结果等于20是怎么算

3,5,7,8,结果等于20是怎么算

（3+8-7）×5=20======以下答案可供参考======供参考答案1:1: 3 - (5 - 8) × 72: 3 - ((5 - 8) × 7)3: 3 - (7 × (5 - 8))4: 3 - 7 ×(5 - 8)5: 3 × 7 - 5 + 86: (3 × 7) - 5 + 87: (3 × 7 - 5) + 88: ((3 × 7) - 5) + 89: 3 × 7 -(5 - 8)10: (3 × 7) - (5 - 8)11: 3 + (7 × (8 - 5))12: 3 + 7 ×(8 - 5)13: 3 × 7 + 8 - 514: (3 × 7) + 8 - 515: (3 × 7 + 8) - 516: ((3 × 7) + 8) - 517: 3 × 7 +(8 - 5)18: (3 × 7) + (8 - 5)19: 3 + (8 - 5) × 720: 3 + ((8 - 5) × 7)21: 5 × 7 -(3 + 8)22: (5 × 7) - (3 + 8)23: 5 × 7 - 3 - 824: (5 × 7) - 3 - 825: (5 × 7 - 3) - 826: ((5 × 7) - 3) - 827: 5 × 7 -(8 + 3)28: (5 × 7) - (8 + 3)29: 5 × 7 - 8 - 330: (5 × 7) - 8 - 331: (5 × 7 - 8) - 332: ((5 × 7) - 8) - 333: 7 × 3 - 5 + 834: (7 × 3) - 5 + 835: (7 × 3 - 5) + 836: ((7 × 3) - 5) + 837: 7 × 3 -(5 - 8)38: (7 × 3) - (5 - 8)39: 7 × 3 + 8 - 540: (7 × 3) + 8 - 541: (7 × 3 + 8) - 542: ((7 × 3) + 8) - 543: 7 × 3 +(8 - 5)44: (7 × 3) + (8 - 5)45: 7 × 5 -(3 + 8)46: (7 × 5) - (3 + 8)47: 7 × 5 - 3 - 848: (7 × 5) - 3 - 849: (7 × 5 - 3) - 850: ((7 × 5) - 3) - 851: 7 × 5 -(8 + 3)52: (7 × 5) - (8 + 3)53: 7 × 5 - 8 - 354: (7 × 5) - 8 - 355: (7 × 5 - 8) - 356: ((7 × 5) - 8) - 357: (7 × (8 - 5)) + 358: 7 × (8 - 5) + 359: 8 + 3 × 7 - 5

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