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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:
  • 22 × 25 × 4 = 2200
  • 85 × 20 × 2 = 3400
  • 5 × 52 × 10 = 2600
  • 8 × 42 × 50 = 16800
  • 3 × 46 × 10 = 1380
  • 5 × 56 × 80 = 22400
  • 55 × 25 × 2 = 2750
  • 5 × 96 × 60 = 28800
  • 5 × 64 × 20 = 6400
  • 17 × 50 × 8 = 6800
  • 5 × 37 × 14 = 2590
  • 7 × 76 × 10 = 5320
  • 3 × 25 × 20 = 1500
  • 6 × 61 × 15 = 5490
  • 5 × 24 × 14 = 1680
  • 50 × 10 × 6 = 3000
  • 7 × 78 × 10 = 5460
  • 83 × 15 × 4 = 4980
  • 3 × 57 × 30 = 5130
  • 3 × 11 × 10 = 330
※总分:100分, 共计:20道题, 每题:5.00 分。


运用运算律巧算的算法