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运用运算律巧算的算法20题

  • 耗时: 0分0秒
  • 题数:
  • 得分:
  • 5 × 87 × 18 = 7830
  • 86 × 16 × 5 = 6880
  • 9 × 98 × 10 = 8820
  • 5 × 86 × 16 = 6880
  • 14 × 80 × 5 = 5600
  • 18 × 40 × 5 = 3600
  • 66 × 50 × 4 = 13200
  • 4 × 69 × 15 = 4140
  • 3 × 64 × 30 = 5760
  • 53 × 10 × 9 = 4770
  • 5 × 17 × 10 = 850
  • 3 × 91 × 10 = 2730
  • 89 × 10 × 6 = 5340
  • 2 × 86 × 40 = 6880
  • 32 × 45 × 2 = 2880
  • 3 × 11 × 30 = 990
  • 4 × 80 × 20 = 6400
  • 65 × 15 × 2 = 1950
  • 8 × 41 × 25 = 8200
  • 2 × 32 × 30 = 1920
※总分:100分, 共计:20道题, 每题:5.00 分。


运用运算律巧算的算法