5、请分别用3477和3377四个数算24点（加减乘除）

3, 4, 7, 7的24点答案：1: 3 + 4 × 7 - 72: (3 + 4 × 7) - 73: (3 + (4 × 7)) - 74: 3 + (4 × 7) - 75: 3 + (4 × 7 - 7)6: 3 + ((4 × 7) - 7)7: 3 - (4 - 7) × 78: 3 - ((4 - 7) × 7)9: 3 + (7 - 4) × 710: 3 + ((7 - 4) × 7)11: 3 + 7 × 4 - 712: (3 + 7 × 4) - 713: (3 + (7 × 4)) - 714: 3 + (7 × 4) - 715: 3 + (7 × 4 - 7)16: 3 + ((7 × 4) - 7)17: 3 - 7 + 4 × 718: (3 - 7) + 4 × 719: 3 - 7 +(4 × 7)20: (3 - 7) + (4 × 7)21: 3 - (7 - 4 × 7)22: 3 - (7 - (4 × 7))23: 3 - (7 × (4 - 7))24: 3 - 7 ×(4 - 7)25: 3 × 7 - 4 + 726: (3 × 7) - 4 + 727: (3 × 7 - 4) + 728: ((3 × 7) - 4) + 729: 3 × 7 -(4 - 7)30: (3 × 7) - (4 - 7)31: 3 + (7 × (7 - 4))32: 3 + 7 ×(7 - 4)33: 3 - 7 + 7 × 434: (3 - 7) + 7 × 435: 3 - 7 +(7 × 4)36: (3 - 7) + (7 × 4)37: 3 - (7 - 7 × 4)38: 3 - (7 - (7 × 4))39: 3 × 7 + 7 - 440: (3 × 7) + 7 - 441: (3 × 7 + 7) - 442: ((3 × 7) + 7) - 443: 3 × 7 +(7 - 4)44: (3 × 7) + (7 - 4)45: 4 × 7 + 3 - 746: (4 × 7) + 3 - 747: (4 × 7 + 3) - 748: ((4 × 7) + 3) - 749: 4 × 7 +(3 - 7)50: (4 × 7) + (3 - 7)51: 4 × 7 - 7 + 352: (4 × 7) - 7 + 353: (4 × 7 - 7) + 354: ((4 × 7) - 7) + 355: 4 × 7 -(7 - 3)56: (4 × 7) - (7 - 3)57: 7 × 3 - 4 + 758: (7 × 3) - 4 + 759: (7 × 3 - 4) + 760: ((7 × 3) - 4) + 761: 7 × 3 -(4 - 7)62: (7 × 3) - (4 - 7)63: 7 + 3 × 7 - 464: (7 + 3 × 7) - 465: (7 + (3 × 7)) - 466: 7 + (3 × 7) - 467: 7 + (3 × 7 - 4)68: 7 + ((3 × 7) - 4)69: (7 - 3) × 7 - 470: ((7 - 3) × 7) - 471: 7 × 3 + 7 - 472: (7 × 3) + 7 - 473: (7 × 3 + 7) - 474: ((7 × 3) + 7) - 475: 7 × 3 +(7 - 4)76: (7 × 3) + (7 - 4)77: 7 - 4 + 3 × 778: (7 - 4) + 3 × 779: 7 - 4 +(3 × 7)80: (7 - 4) + (3 × 7)81: 7 - (4 - 3 × 7)82: 7 - (4 - (3 × 7))83: 7 × 4 + 3 - 784: (7 × 4) + 3 - 785: (7 × 4 + 3) - 786: ((7 × 4) + 3) - 787: 7 × 4 +(3 - 7)88: (7 × 4) + (3 - 7)89: 7 - 4 + 7 × 390: (7 - 4) + 7 × 391: 7 - 4 +(7 × 3)92: (7 - 4) + (7 × 3)93: 7 - (4 - 7 × 3)94: 7 - (4 - (7 × 3))95: (7 - 4) × 7 + 396: ((7 - 4) × 7) + 397: 7 × 4 - 7 + 398: (7 × 4) - 7 + 399: (7 × 4 - 7) + 3100: ((7 × 4) - 7) + 3101: 7 × 4 -(7 - 3)102: (7 × 4) - (7 - 3)103: 7 + 7 × 3 - 4104: (7 + 7 × 3) - 4105: (7 + (7 × 3)) - 4106: 7 + (7 × 3) - 4107: 7 + (7 × 3 - 4)108: 7 + ((7 × 3) - 4)109: (7 × (7 - 3)) - 4110: 7 × (7 - 3) - 4111: (7 × (7 - 4)) + 3112: 7 × (7 - 4) + 33, 3, 7, 7的24点答案：1: (3 + 3 ÷ 7) × 72: (3 + (3 ÷ 7)) × 73: (3 ÷ 7 + 3) × 74: ((3 ÷ 7) + 3) × 75: 7 × (3 + 3 ÷ 7)6: 7 × (3 + (3 ÷ 7))7: 7 × (3 ÷ 7 + 3)8: 7 × ((3 ÷ 7) + 3)