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运用运算律巧算的算法80题

  • 耗时: 0分0秒
  • 题数:
  • 得分:
  • 39 × 40 × 5 = 7800
  • 16 × 10 × 2 = 320
  • 90 × 40 × 5 = 18000
  • 2 × 81 × 20 = 3240
  • 71 × 10 × 5 = 3550
  • 5 × 28 × 18 = 2520
  • 5 × 75 × 20 = 7500
  • 5 × 17 × 40 = 3400
  • 4 × 42 × 25 = 4200
  • 12 × 50 × 8 = 4800
  • 2 × 24 × 15 = 720
  • 43 × 10 × 6 = 2580
  • 3 × 18 × 20 = 1080
  • 75 × 35 × 2 = 5250
  • 6 × 83 × 10 = 4980
  • 2 × 72 × 25 = 3600
  • 69 × 15 × 4 = 4140
  • 6 × 43 × 10 = 2580
  • 42 × 10 × 3 = 1260
  • 64 × 10 × 8 = 5120
  • 2 × 75 × 20 = 3000
  • 70 × 14 × 5 = 4900
  • 93 × 10 × 9 = 8370
  • 76 × 80 × 5 = 30400
  • 8 × 75 × 75 = 45000
  • 6 × 27 × 50 = 8100
  • 79 × 10 × 7 = 5530
  • 10 × 10 × 6 = 600
  • 31 × 10 × 8 = 2480
  • 6 × 98 × 50 = 29400
  • 2 × 40 × 45 = 3600
  • 4 × 40 × 25 = 4000
  • 46 × 18 × 5 = 4140
  • 5 × 51 × 16 = 4080
  • 2 × 36 × 10 = 720
  • 6 × 79 × 15 = 7110
  • 81 × 35 × 2 = 5670
  • 2 × 83 × 40 = 6640
  • 8 × 33 × 25 = 6600
  • 69 × 20 × 4 = 5520
  • 65 × 80 × 5 = 26000
  • 32 × 16 × 5 = 2560
  • 10 × 10 × 3 = 300
  • 3 × 21 × 30 = 1890
  • 65 × 50 × 6 = 19500
  • 21 × 35 × 2 = 1470
  • 97 × 15 × 6 = 8730
  • 88 × 10 × 9 = 7920
  • 37 × 30 × 2 = 2220
  • 81 × 10 × 3 = 2430
  • 8 × 66 × 25 = 13200
  • 4 × 89 × 20 = 7120
  • 34 × 40 × 2 = 2720
  • 5 × 28 × 14 = 1960
  • 51 × 45 × 2 = 4590
  • 58 × 15 × 6 = 5220
  • 8 × 78 × 75 = 46800
  • 25 × 30 × 3 = 2250
  • 82 × 10 × 5 = 4100
  • 5 × 85 × 12 = 5100
  • 91 × 10 × 2 = 1820
  • 5 × 94 × 80 = 37600
  • 2 × 57 × 25 = 2850
  • 5 × 66 × 20 = 6600
  • 2 × 42 × 40 = 3360
  • 69 × 80 × 5 = 27600
  • 40 × 25 × 2 = 2000
  • 19 × 10 × 9 = 1710
  • 5 × 29 × 12 = 1740
  • 64 × 16 × 5 = 5120
  • 3 × 55 × 30 = 4950
  • 80 × 10 × 9 = 7200
  • 66 × 20 × 4 = 5280
  • 66 × 50 × 4 = 13200
  • 84 × 25 × 2 = 4200
  • 43 × 75 × 8 = 25800
  • 29 × 10 × 9 = 2610
  • 23 × 25 × 2 = 1150
  • 8 × 63 × 25 = 12600
  • 89 × 10 × 2 = 1780
※总分:100分, 共计:80道题, 每题:1.25 分。


运用运算律巧算的算法