【4567】4567用加减乘除后等于24有几种算法

发布时间:2021-03-27 03:16:04

4567用加减乘除后等于24有几种算法 数学

网友回答

【答案】 1:4 × (5 - 6 + 7)
  2:4 × ((5 - 6) + 7)
  3:4 × (5 - (6 - 7))
  4:4 × (5 + 7 - 6)
  5:4 × ((5 + 7) - 6)
  6:4 × (5 + (7 - 6))
  7:4 × (7 + 5 - 6)
  8:4 × ((7 + 5) - 6)
  9:4 × (7 + (5 - 6))
  10:4 × (7 - 6 + 5)
  11:4 × ((7 - 6) + 5)
  12:4 × (7 - (6 - 5))
  13:(5 - 6 + 7) × 4
  14:((5 - 6) + 7) × 4
  15:(5 - (6 - 7)) × 4
  16:(5 + 7 - 6) × 4
  17:((5 + 7) - 6) × 4
  18:(5 + (7 - 6)) × 4
  19:(5 + 7) × (6 - 4)
  20:(6 - 4) × (5 + 7)
  21:(6 - 4) × (7 + 5)
  22:(7 + 5 - 6) × 4
  23:((7 + 5) - 6) × 4
  24:(7 + (5 - 6)) × 4
  25:(7 + 5) × (6 - 4)
  26:(7 - 6 + 5) × 4
  27:((7 - 6) + 5) × 4
  28:(7 - (6 - 5)) × 4
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