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运用运算律巧算的算法40题

  • 耗时: 0分0秒
  • 题数:
  • 得分:
  • 44 × 75 × 4 = 13200
  • 50 × 50 × 2 = 5000
  • 6 × 68 × 50 = 20400
  • 7 × 27 × 10 = 1890
  • 2 × 29 × 10 = 580
  • 2 × 16 × 45 = 1440
  • 18 × 25 × 4 = 1800
  • 44 × 20 × 2 = 1760
  • 60 × 10 × 4 = 2400
  • 6 × 25 × 50 = 7500
  • 6 × 36 × 50 = 10800
  • 93 × 10 × 7 = 6510
  • 19 × 30 × 3 = 1710
  • 49 × 25 × 4 = 4900
  • 14 × 10 × 2 = 280
  • 61 × 12 × 5 = 3660
  • 4 × 75 × 10 = 3000
  • 4 × 47 × 50 = 9400
  • 7 × 86 × 10 = 6020
  • 5 × 47 × 80 = 18800
  • 50 × 75 × 4 = 15000
  • 43 × 20 × 2 = 1720
  • 96 × 50 × 4 = 19200
  • 7 × 13 × 10 = 910
  • 27 × 10 × 9 = 2430
  • 4 × 62 × 75 = 18600
  • 2 × 61 × 20 = 2440
  • 5 × 20 × 18 = 1800
  • 61 × 30 × 2 = 3660
  • 79 × 40 × 5 = 15800
  • 40 × 10 × 7 = 2800
  • 60 × 15 × 4 = 3600
  • 92 × 75 × 8 = 55200
  • 38 × 20 × 3 = 2280
  • 2 × 58 × 45 = 5220
  • 4 × 64 × 75 = 19200
  • 5 × 63 × 60 = 18900
  • 85 × 40 × 2 = 6800
  • 2 × 99 × 50 = 9900
  • 8 × 67 × 75 = 40200
※总分:100分, 共计:40道题, 每题:2.50 分。


运用运算律巧算的算法