24点计算题

3-(-4+1)x7=24

把负数变成绝对值

1: 3 + (4 - 1) × 7 2: 3 + ((4 - 1) × 7) 3: 3 - (1 - 4) × 7 4: 3 - ((1 - 4) × 7) 5: (3 + 1) × 7 - 4 6: ((3 + 1) × 7) - 4 7: 3 + (7 × (4 - 1)) 8: 3 + 7 ×(4 - 1) 9: 3 × 7 + 4 - 1 10: (3 × 7) + 4 - 1 11: (3 × 7 + 4) - 1 12: ((3 × 7) + 4) - 1 13: 3 × 7 +(4 - 1) 14: (3 × 7) + (4 - 1) 15: 3 - (7 × (1 - 4)) 16: 3 - 7 ×(1 - 4) 17: 3 × 7 - 1 + 4 18: (3 × 7) - 1 + 4 19: (3 × 7 - 1) + 4 20: ((3 × 7) - 1) + 4 21: 3 × 7 -(1 - 4) 22: (3 × 7) - (1 - 4) 23: 4 + 3 × 7 - 1 24: (4 + 3 × 7) - 1 25: (4 + (3 × 7)) - 1 26: 4 + (3 × 7) - 1 27: 4 + (3 × 7 - 1) 28: 4 + ((3 × 7) - 1) 29: 4 - 1 + 3 × 7 30: (4 - 1) + 3 × 7 31: 4 - 1 +(3 × 7) 32: (4 - 1) + (3 × 7) 33: 4 - (1 - 3 × 7) 34: 4 - (1 - (3 × 7)) 35: 4 - 1 + 7 × 3 36: (4 - 1) + 7 × 3 37: 4 - 1 +(7 × 3) 38: (4 - 1) + (7 × 3) 39: 4 - (1 - 7 × 3) 40: 4 - (1 - (7 × 3)) 41: (4 - 1) × 7 + 3 42: ((4 - 1) × 7) + 3 43: 4 + 7 × 3 - 1 44: (4 + 7 × 3) - 1 45: (4 + (7 × 3)) - 1 46: 4 + (7 × 3) - 1 47: 4 + (7 × 3 - 1) 48: 4 + ((7 × 3) - 1) 49: 4 × 7 -(3 + 1) 50: (4 × 7) - (3 + 1) 51: 4 × 7 - 3 - 1 52: (4 × 7) - 3 - 1 53: (4 × 7 - 3) - 1 54: ((4 × 7) - 3) - 1 55: 4 × 7 -(1 + 3) 56: (4 × 7) - (1 + 3) 57: 4 × 7 - 1 - 3 58: (4 × 7) - 1 - 3 59: (4 × 7 - 1) - 3 60: ((4 × 7) - 1) - 3 61: (1 + 3) × 7 - 4 62: ((1 + 3) × 7) - 4 63: 7 × 3 + 4 - 1 64: (7 × 3) + 4 - 1 65: (7 × 3 + 4) - 1 66: ((7 × 3) + 4) - 1 67: 7 × 3 +(4 - 1) 68: (7 × 3) + (4 - 1) 69: (7 × (3 + 1)) - 4 70: 7 × (3 + 1) - 4 71: 7 × 3 - 1 + 4 72: (7 × 3) - 1 + 4 73: (7 × 3 - 1) + 4 74: ((7 × 3) - 1) + 4 75: 7 × 3 -(1 - 4) 76: (7 × 3) - (1 - 4) 77: 7 × 4 -(3 + 1) 78: (7 × 4) - (3 + 1) 79: 7 × 4 - 3 - 1 80: (7 × 4) - 3 - 1 81: (7 × 4 - 3) - 1 82: ((7 × 4) - 3) - 1 83: (7 × (4 - 1)) + 3 84: 7 × (4 - 1) + 3 85: 7 × 4 -(1 + 3) 86: (7 × 4) - (1 + 3) 87: 7 × 4 - 1 - 3 88: (7 × 4) - 1 - 3 89: (7 × 4 - 1) - 3 90: ((7 × 4) - 1) - 3 91: (7 × (1 + 3)) - 4 92: 7 × (1 + 3) - 4

用3X7-（-4+1）=24

3X7-（-4+1）=24

谢谢采纳！~~~~~~~~~~