【1,2,3,4,四个数字,分别用加减乘除计算,得数为24,符号数字只能用一次,而且必须用】

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解决时间 2021-03-01 15:13

提问者网友：太高姿态
2021-03-01 11:50

最佳答案

五星知识达人网友：雾月
2021-03-01 13:05

1: (1 + 2 + 3) × 42: ((1 + 2) + 3) × 43: (1 + (2 + 3)) × 44: 1 × 2 × 3 × 45: (1 × 2) × 3 × 46: (1 × 2 × 3) × 47: ((1 × 2) × 3) × 48: (1 × (2 × 3)) × 49: 1 × (2 × 3) × 410: 1 × (2 × 3 × 4)11: 1 × ((2 × 3) × 4)12: 1 × (2 × (3 × 4))13: 1 × 2 ×(3 × 4)14: (1 × 2) × (3 × 4)15: 1 × 2 × 4 × 316: (1 × 2) × 4 × 317: (1 × 2 × 4) × 318: ((1 × 2) × 4) × 319: (1 × (2 × 4)) × 320: 1 × (2 × 4) × 321: 1 × (2 × 4 × 3)22: 1 × ((2 × 4) × 3)23: 1 × (2 × (4 × 3))24: 1 × 2 ×(4 × 3)25: (1 × 2) × (4 × 3)26: (1 + 3 + 2) × 427: ((1 + 3) + 2) × 428: (1 + (3 + 2)) × 429: (1 + 3) × (2 + 4)30: 1 × 3 × 2 × 431: (1 × 3) × 2 × 432: (1 × 3 × 2) × 433: ((1 × 3) × 2) × 434: (1 × (3 × 2)) × 435: 1 × (3 × 2) × 436: 1 × (3 × 2 × 4)37: 1 × ((3 × 2) × 4)38: 1 × (3 × (2 × 4))39: 1 × 3 ×(2 × 4)40: (1 × 3) × (2 × 4)41: (1 + 3) × (4 + 2)42: 1 × 3 × 4 × 243: (1 × 3) × 4 × 244: (1 × 3 × 4) × 245: ((1 × 3) × 4) × 246: (1 × (3 × 4)) × 247: 1 × (3 × 4) × 248: 1 × (3 × 4 × 2)49: 1 × ((3 × 4) × 2)50: 1 × (3 × (4 × 2))51: 1 × 3 ×(4 × 2)52: (1 × 3) × (4 × 2)53: 1 × 4 × 2 × 354: (1 × 4) × 2 × 355: (1 × 4 × 2) × 356: ((1 × 4) × 2) × 357: (1 × (4 × 2)) × 358: 1 × (4 × 2) × 359: 1 × (4 × 2 × 3)60: 1 × ((4 × 2) × 3)61: 1 × (4 × (2 × 3))62: 1 × 4 ×(2 × 3)63: (1 × 4) × (2 × 3)64: 1 × 4 × 3 × 265: (1 × 4) × 3 × 266: (1 × 4 × 3) × 2

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1楼网友：迷人又混蛋
2021-03-01 13:32

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