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运用运算律巧算的算法30题

  • 耗时: 0分0秒
  • 题数:
  • 得分:
  • 54 × 25 × 8 = 10800
  • 89 × 40 × 5 = 17800
  • 63 × 20 × 5 = 6300
  • 34 × 80 × 5 = 13600
  • 28 × 10 × 8 = 2240
  • 79 × 25 × 8 = 15800
  • 79 × 35 × 2 = 5530
  • 80 × 10 × 9 = 7200
  • 16 × 75 × 4 = 4800
  • 99 × 14 × 5 = 6930
  • 3 × 23 × 10 = 690
  • 5 × 73 × 12 = 4380
  • 9 × 22 × 10 = 1980
  • 55 × 50 × 2 = 5500
  • 47 × 14 × 5 = 3290
  • 10 × 10 × 7 = 700
  • 2 × 91 × 25 = 4550
  • 2 × 35 × 25 = 1750
  • 5 × 59 × 40 = 11800
  • 88 × 20 × 5 = 8800
  • 6 × 91 × 50 = 27300
  • 58 × 10 × 4 = 2320
  • 47 × 18 × 5 = 4230
  • 49 × 10 × 7 = 3430
  • 31 × 18 × 5 = 2790
  • 16 × 50 × 2 = 1600
  • 97 × 60 × 5 = 29100
  • 82 × 45 × 2 = 7380
  • 82 × 15 × 4 = 4920
  • 33 × 10 × 9 = 2970
※总分:100分, 共计:30道题, 每题:3.33 分。


运用运算律巧算的算法