1、2、4、7算24点!如题,答对者有赏!

1、2、4、7算24点!如题,答对者有赏!

2×（1+4+7）=24======以下答案可供参考======供参考答案1:(7-2+1)*4=24供参考答案2:无语，这也来百度；（7+1-2）*4=24供参考答案3:1, 2, 4, 7的24点答案：1: (1 - 2 + 7) × 42: ((1 - 2) + 7) × 43: (1 - (2 - 7)) × 44: (1 + 4 + 7) × 25: ((1 + 4) + 7) × 26: (1 + (4 + 7)) × 27: (1 + 7 - 2) × 48: ((1 + 7) - 2) × 49: (1 + (7 - 2)) × 410: (1 + 7 + 4) × 211: ((1 + 7) + 4) × 212: (1 + (7 + 4)) × 213: 2 × (1 + 4 + 7)14: 2 × ((1 + 4) + 7)15: 2 × (1 + (4 + 7))16: 2 × (1 + 7 + 4)17: 2 × ((1 + 7) + 4)18: 2 × (1 + (7 + 4))19: 2 × (4 + 1 + 7)20: 2 × ((4 + 1) + 7)21: 2 × (4 + (1 + 7))22: 2 × (4 + 7 + 1)23: 2 × ((4 + 7) + 1)24: 2 × (4 + (7 + 1))25: 2 × (7 + 1 + 4)26: 2 × ((7 + 1) + 4)27: 2 × (7 + (1 + 4))28: 2 × (7 + 4 + 1)29: 2 × ((7 + 4) + 1)30: 2 × (7 + (4 + 1))31: 4 × (1 - 2 + 7)32: 4 × ((1 - 2) + 7)33: 4 × (1 - (2 - 7))34: (4 + 1 + 7) × 235: ((4 + 1) + 7) × 236: (4 + (1 + 7)) × 237: 4 × (1 + 7 - 2)38: 4 × ((1 + 7) - 2)39: 4 × (1 + (7 - 2))40: (4 + 7 + 1) × 241: ((4 + 7) + 1) × 242: (4 + (7 + 1)) × 243: 4 × (7 + 1 - 2)44: 4 × ((7 + 1) - 2)45: 4 × (7 + (1 - 2))46: 4 × (7 - 2 + 1)47: 4 × ((7 - 2) + 1)48: 4 × (7 - (2 - 1))49: (7 + 1 - 2) × 450: ((7 + 1) - 2) × 451: (7 + (1 - 2)) × 452: (7 + 1 + 4) × 253: ((7 + 1) + 4) × 2

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