2,3,4,6在它们之间添上加减乘除让它们的结果等于24{4个数字的位置可以调换}能有几种算法
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太多了哦!给你地址你看看全部的! http://zhidao.baidu.com/question/47413403.html1: 2 + 3 × 6 + 4 2: (2 + 3 × 6) + 4 3: (2 + (3 × 6)) + 4 4: 2 + (3 × 6) + 4 5: 2 + (3 × 6 + 4) 6: 2 + ((3 × 6) + 4) 7: 2 + 4 + 3 × 6 8: (2 + 4) + 3 × 6 9: 2 + (4 + 3 × 6) 10: 2 + (4 + (3 × 6)) 11: 2 + 4 +(3 × 6) 12: (2 + 4) + (3 × 6) 13: (2 + 4) × 3 + 6 14: ((2 + 4) × 3) + 6 15: 2 + 4 + 6 × 3 16: (2 + 4) + 6 × 3 17: 2 + (4 + 6 × 3) 18: 2 + (4 + (6 × 3)) 19: 2 + 4 +(6 × 3) 20: (2 + 4) + (6 × 3) 21: 2 × (4 × (6 - 3)) 22: 2 × 4 ×(6 - 3) 23: (2 × 4) × (6 - 3) 24: 2 + 6 × 3 + 4 25: (2 + 6 × 3) + 4 26: (2 + (6 × 3)) + 4 27: 2 + (6 × 3) + 4 28: 2 + (6 × 3 + 4) 29: 2 + ((6 × 3) + 4) 30: 2 × 6 + 3 × 4 31: (2 × 6) + 3 × 4 32: 2 × 6 +(3 × 4) 33: (2 × 6) + (3 × 4) 34: (2 × (6 - 3)) × 4 35: 2 × (6 - 3) × 4 36: 2 × ((6 - 3) × 4) 37: 2 × 6 + 4 × 3 38: (2 × 6) + 4 × 3 39: 2 × 6 +(4 × 3) 40: (2 × 6) + (4 × 3) 41: (2 × 6 - 4) × 3 42: ((2 × 6) - 4) × 3 43: (3 - 2) × 4 × 6 44: ((3 - 2) × 4) × 6 45: (3 - 2) × (4 × 6) 46: (3 × (2 + 4)) + 6 47: 3 × (2 + 4) + 6 48: (3 - 2) × 6 × 4 49: ((3 - 2) × 6) × 4 50: (3 - 2) × (6 × 4) 51: 3 × (2 × 6 - 4) 52: 3 × ((2 × 6) - 4) 53: (3 × (4 + 2)) + 6 54: 3 × (4 + 2) + 6 55: 3 × 4 + 2 × 6 56: (3 × 4) + 2 × 6 57: 3 × 4 +(2 × 6) 58: (3 × 4) + (2 × 6) 59: 3 × (4 - 2 + 6) 60: 3 × ((4 - 2) + 6) 61: 3 × (4 - (2 - 6)) 62: 3 × (4 ÷ 2 + 6) 63: 3 × ((4 ÷ 2) + 6) 64: 3 × (4 + 6 - 2) 65: 3 × ((4 + 6) - 2) 66: 3 × (4 + (6 - 2)) 67: 3 × 4 + 6 × 2 68: (3 × 4) + 6 × 2 69: 3 × 4 +(6 × 2) 70: (3 × 4) + (6 × 2) 71: (3 + 6 ÷ 2) × 4 72: (3 + (6 ÷ 2)) × 4 73: 3 × 6 + 2 + 4 74: (3 × 6) + 2 + 4 75: (3 × 6 + 2) + 4 76: ((3 × 6) + 2) + 4 77: 3 × 6 +(2 + 4) 78: (3 × 6) + (2 + 4) 79: 3 × (6 - 2 + 4) 80: 3 × ((6 - 2) + 4) 81: 3 × (6 - (2 - 4)) 82: 3 × (6 × 2 - 4) 83: 3 × ((6 × 2) - 4) 84: 3 × 6 + 4 + 2 85: (3 × 6) + 4 + 2 86: (3 × 6 + 4) + 2

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