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运用运算律巧算的算法490题

  • 耗时: 0分0秒
  • 题数:
  • 得分:
  • 5 × 42 × 40 = 8400
  • 89 × 16 × 5 = 7120
  • 89 × 15 × 6 = 8010
  • 5 × 28 × 12 = 1680
  • 8 × 88 × 25 = 17600
  • 2 × 87 × 50 = 8700
  • 5 × 95 × 10 = 4750
  • 37 × 50 × 8 = 14800
  • 82 × 80 × 5 = 32800
  • 18 × 10 × 4 = 720
  • 3 × 43 × 20 = 2580
  • 5 × 20 × 40 = 4000
  • 32 × 10 × 3 = 960
  • 54 × 15 × 4 = 3240
  • 5 × 88 × 14 = 6160
  • 4 × 48 × 25 = 4800
  • 8 × 53 × 10 = 4240
  • 73 × 25 × 4 = 7300
  • 37 × 20 × 5 = 3700
  • 6 × 15 × 50 = 4500
  • 46 × 12 × 5 = 2760
  • 2 × 65 × 20 = 2600
  • 8 × 41 × 10 = 3280
  • 8 × 15 × 25 = 3000
  • 4 × 45 × 10 = 1800
  • 5 × 42 × 18 = 3780
  • 54 × 15 × 6 = 4860
  • 34 × 10 × 6 = 2040
  • 3 × 39 × 30 = 3510
  • 2 × 96 × 20 = 3840
  • 2 × 78 × 15 = 2340
  • 5 × 82 × 20 = 8200
  • 5 × 51 × 80 = 20400
  • 3 × 16 × 30 = 1440
  • 2 × 44 × 50 = 4400
  • 6 × 27 × 15 = 2430
  • 5 × 13 × 14 = 910
  • 5 × 32 × 12 = 1920
  • 84 × 30 × 2 = 5040
  • 49 × 15 × 2 = 1470
  • 42 × 10 × 7 = 2940
  • 2 × 39 × 15 = 1170
  • 2 × 63 × 40 = 5040
  • 32 × 20 × 2 = 1280
  • 94 × 14 × 5 = 6580
  • 31 × 15 × 6 = 2790
  • 4 × 26 × 75 = 7800
  • 4 × 74 × 15 = 4440
  • 24 × 40 × 5 = 4800
  • 55 × 20 × 5 = 5500
  • 28 × 25 × 2 = 1400
  • 7 × 27 × 10 = 1890
  • 55 × 20 × 5 = 5500
  • 4 × 48 × 15 = 2880
  • 5 × 60 × 16 = 4800
  • 5 × 33 × 60 = 9900
  • 57 × 30 × 3 = 5130
  • 38 × 50 × 2 = 3800
  • 64 × 45 × 2 = 5760
  • 16 × 80 × 5 = 6400
  • 12 × 20 × 2 = 480
  • 4 × 25 × 20 = 2000
  • 89 × 50 × 6 = 26700
  • 98 × 25 × 8 = 19600
  • 55 × 25 × 8 = 11000
  • 70 × 60 × 5 = 21000
  • 96 × 25 × 2 = 4800
  • 42 × 50 × 2 = 4200
  • 41 × 20 × 4 = 3280
  • 77 × 20 × 4 = 6160
  • 2 × 34 × 25 = 1700
  • 3 × 10 × 10 = 300
  • 91 × 75 × 8 = 54600
  • 8 × 41 × 50 = 16400
  • 36 × 20 × 3 = 2160
  • 5 × 66 × 80 = 26400
  • 71 × 60 × 5 = 21300
  • 42 × 10 × 4 = 1680
  • 64 × 10 × 4 = 2560
  • 6 × 86 × 10 = 5160
  • 2 × 12 × 15 = 360
  • 5 × 31 × 40 = 6200
  • 15 × 40 × 5 = 3000
  • 5 × 20 × 40 = 4000
  • 2 × 22 × 15 = 660
  • 14 × 75 × 4 = 4200
  • 79 × 75 × 8 = 47400
  • 27 × 40 × 5 = 5400
  • 5 × 48 × 40 = 9600
  • 2 × 47 × 15 = 1410
  • 12 × 10 × 8 = 960
  • 6 × 40 × 50 = 12000
  • 55 × 45 × 2 = 4950
  • 6 × 42 × 15 = 3780
  • 30 × 75 × 8 = 18000
  • 4 × 41 × 10 = 1640
  • 5 × 22 × 80 = 8800
  • 21 × 80 × 5 = 8400
  • 11 × 10 × 9 = 990
  • 4 × 60 × 75 = 18000
  • 57 × 12 × 5 = 3420
  • 47 × 35 × 2 = 3290
  • 8 × 50 × 10 = 4000
  • 29 × 50 × 4 = 5800
  • 5 × 86 × 12 = 5160
  • 5 × 17 × 14 = 1190
  • 4 × 85 × 75 = 25500
  • 22 × 20 × 3 = 1320
  • 3 × 21 × 10 = 630
  • 5 × 35 × 80 = 14000
  • 29 × 12 × 5 = 1740
  • 2 × 30 × 10 = 600
  • 6 × 18 × 15 = 1620
  • 54 × 15 × 2 = 1620
  • 32 × 20 × 3 = 1920
  • 5 × 71 × 40 = 14200
  • 53 × 20 × 2 = 2120
  • 34 × 10 × 6 = 2040
  • 68 × 50 × 6 = 20400
  • 7 × 30 × 10 = 2100
  • 69 × 80 × 5 = 27600
  • 2 × 65 × 45 = 5850
  • 24 × 10 × 9 = 2160
  • 5 × 34 × 40 = 6800
  • 48 × 80 × 5 = 19200
  • 2 × 50 × 35 = 3500
  • 8 × 38 × 25 = 7600
  • 5 × 46 × 60 = 13800
  • 6 × 61 × 50 = 18300
  • 92 × 20 × 3 = 5520
  • 6 × 59 × 10 = 3540
  • 3 × 36 × 30 = 3240
  • 8 × 50 × 75 = 30000
  • 4 × 41 × 15 = 2460
  • 9 × 74 × 10 = 6660
  • 8 × 25 × 50 = 10000
  • 4 × 91 × 15 = 5460
  • 5 × 58 × 20 = 5800
  • 2 × 49 × 50 = 4900
  • 58 × 20 × 3 = 3480
  • 25 × 16 × 5 = 2000
  • 71 × 25 × 4 = 7100
  • 76 × 10 × 8 = 6080
  • 6 × 81 × 15 = 7290
  • 56 × 50 × 2 = 5600
  • 5 × 73 × 40 = 14600
  • 88 × 10 × 2 = 1760
  • 5 × 94 × 40 = 18800
  • 70 × 30 × 2 = 4200
  • 5 × 13 × 80 = 5200
  • 18 × 14 × 5 = 1260
  • 9 × 17 × 10 = 1530
  • 2 × 17 × 20 = 680
  • 4 × 58 × 75 = 17400
  • 23 × 40 × 5 = 4600
  • 90 × 35 × 2 = 6300
  • 65 × 10 × 7 = 4550
  • 14 × 30 × 2 = 840
  • 69 × 15 × 6 = 6210
  • 30 × 25 × 8 = 6000
  • 37 × 80 × 5 = 14800
  • 5 × 44 × 20 = 4400
  • 5 × 48 × 16 = 3840
  • 19 × 25 × 2 = 950
  • 5 × 97 × 14 = 6790
  • 98 × 25 × 2 = 4900
  • 24 × 40 × 5 = 4800
  • 30 × 25 × 8 = 6000
  • 5 × 65 × 12 = 3900
  • 2 × 26 × 15 = 780
  • 9 × 26 × 10 = 2340
  • 3 × 15 × 30 = 1350
  • 34 × 75 × 8 = 20400
  • 30 × 20 × 4 = 2400
  • 4 × 45 × 50 = 9000
  • 94 × 50 × 4 = 18800
  • 8 × 86 × 25 = 17200
  • 39 × 10 × 2 = 780
  • 16 × 40 × 2 = 1280
  • 25 × 25 × 4 = 2500
  • 4 × 20 × 10 = 800
  • 5 × 38 × 20 = 3800
  • 21 × 20 × 2 = 840
  • 7 × 27 × 10 = 1890
  • 29 × 20 × 5 = 2900
  • 2 × 58 × 45 = 5220
  • 78 × 75 × 8 = 46800
  • 3 × 36 × 20 = 2160
  • 92 × 30 × 2 = 5520
  • 5 × 88 × 12 = 5280
  • 3 × 33 × 20 = 1980
  • 5 × 64 × 20 = 6400
  • 97 × 25 × 4 = 9700
  • 62 × 50 × 4 = 12400
  • 28 × 25 × 2 = 1400
  • 47 × 10 × 3 = 1410
  • 84 × 25 × 8 = 16800
  • 11 × 30 × 3 = 990
  • 2 × 54 × 10 = 1080
  • 9 × 17 × 10 = 1530
  • 4 × 12 × 20 = 960
  • 2 × 38 × 50 = 3800
  • 3 × 55 × 10 = 1650
  • 89 × 10 × 3 = 2670
  • 17 × 12 × 5 = 1020
  • 26 × 80 × 5 = 10400
  • 4 × 84 × 50 = 16800
  • 22 × 50 × 6 = 6600
  • 84 × 50 × 4 = 16800
  • 49 × 10 × 6 = 2940
  • 84 × 20 × 5 = 8400
  • 88 × 75 × 8 = 52800
  • 8 × 77 × 25 = 15400
  • 5 × 66 × 80 = 26400
  • 4 × 15 × 20 = 1200
  • 50 × 10 × 4 = 2000
  • 2 × 28 × 30 = 1680
  • 8 × 60 × 75 = 36000
  • 82 × 10 × 8 = 6560
  • 7 × 15 × 10 = 1050
  • 4 × 45 × 20 = 3600
  • 4 × 10 × 25 = 1000
  • 19 × 50 × 2 = 1900
  • 5 × 80 × 10 = 4000
  • 79 × 30 × 2 = 4740
  • 4 × 73 × 50 = 14600
  • 56 × 30 × 3 = 5040
  • 6 × 97 × 10 = 5820
  • 44 × 40 × 2 = 3520
  • 3 × 24 × 30 = 2160
  • 23 × 80 × 5 = 9200
  • 21 × 35 × 2 = 1470
  • 47 × 16 × 5 = 3760
  • 55 × 12 × 5 = 3300
  • 38 × 60 × 5 = 11400
  • 99 × 14 × 5 = 6930
  • 86 × 18 × 5 = 7740
  • 2 × 33 × 45 = 2970
  • 26 × 25 × 2 = 1300
  • 92 × 50 × 2 = 9200
  • 71 × 40 × 5 = 14200
  • 97 × 35 × 2 = 6790
  • 5 × 58 × 16 = 4640
  • 58 × 10 × 3 = 1740
  • 18 × 25 × 4 = 1800
  • 82 × 10 × 4 = 3280
  • 96 × 15 × 4 = 5760
  • 5 × 77 × 18 = 6930
  • 2 × 73 × 50 = 7300
  • 6 × 64 × 15 = 5760
  • 91 × 30 × 3 = 8190
  • 40 × 75 × 8 = 24000
  • 5 × 89 × 60 = 26700
  • 5 × 49 × 60 = 14700
  • 6 × 99 × 15 = 8910
  • 77 × 50 × 6 = 23100
  • 5 × 83 × 10 = 4150
  • 55 × 16 × 5 = 4400
  • 8 × 52 × 25 = 10400
  • 2 × 71 × 20 = 2840
  • 8 × 38 × 10 = 3040
  • 2 × 70 × 10 = 1400
  • 8 × 79 × 10 = 6320
  • 89 × 40 × 2 = 7120
  • 15 × 50 × 8 = 6000
  • 4 × 49 × 10 = 1960
  • 5 × 71 × 40 = 14200
  • 5 × 71 × 18 = 6390
  • 2 × 83 × 15 = 2490
  • 2 × 98 × 40 = 7840
  • 2 × 51 × 50 = 5100
  • 48 × 20 × 5 = 4800
  • 5 × 16 × 16 = 1280
  • 2 × 56 × 30 = 3360
  • 97 × 10 × 9 = 8730
  • 82 × 50 × 8 = 32800
  • 2 × 72 × 10 = 1440
  • 47 × 25 × 2 = 2350
  • 5 × 77 × 14 = 5390
  • 3 × 73 × 10 = 2190
  • 32 × 12 × 5 = 1920
  • 37 × 60 × 5 = 11100
  • 2 × 63 × 15 = 1890
  • 10 × 50 × 8 = 4000
  • 5 × 88 × 14 = 6160
  • 2 × 96 × 35 = 6720
  • 89 × 30 × 3 = 8010
  • 5 × 34 × 80 = 13600
  • 62 × 10 × 9 = 5580
  • 5 × 38 × 80 = 15200
  • 5 × 14 × 12 = 840
  • 5 × 95 × 20 = 9500
  • 5 × 79 × 16 = 6320
  • 88 × 15 × 4 = 5280
  • 22 × 12 × 5 = 1320
  • 6 × 95 × 10 = 5700
  • 4 × 99 × 75 = 29700
  • 2 × 58 × 30 = 3480
  • 98 × 30 × 2 = 5880
  • 67 × 75 × 8 = 40200
  • 64 × 10 × 2 = 1280
  • 18 × 40 × 5 = 3600
  • 68 × 50 × 6 = 20400
  • 57 × 20 × 2 = 2280
  • 69 × 12 × 5 = 4140
  • 2 × 70 × 50 = 7000
  • 59 × 20 × 2 = 2360
  • 5 × 88 × 20 = 8800
  • 55 × 30 × 3 = 4950
  • 2 × 45 × 30 = 2700
  • 6 × 98 × 50 = 29400
  • 6 × 46 × 10 = 2760
  • 77 × 35 × 2 = 5390
  • 29 × 16 × 5 = 2320
  • 7 × 84 × 10 = 5880
  • 4 × 39 × 20 = 3120
  • 8 × 54 × 10 = 4320
  • 46 × 15 × 2 = 1380
  • 7 × 93 × 10 = 6510
  • 3 × 83 × 30 = 7470
  • 89 × 45 × 2 = 8010
  • 5 × 85 × 10 = 4250
  • 13 × 25 × 4 = 1300
  • 3 × 25 × 20 = 1500
  • 4 × 21 × 15 = 1260
  • 75 × 75 × 8 = 45000
  • 4 × 85 × 75 = 25500
  • 4 × 96 × 15 = 5760
  • 2 × 29 × 20 = 1160
  • 62 × 25 × 4 = 6200
  • 80 × 10 × 3 = 2400
  • 56 × 50 × 2 = 5600
  • 91 × 60 × 5 = 27300
  • 51 × 40 × 2 = 4080
  • 5 × 65 × 12 = 3900
  • 79 × 50 × 8 = 31600
  • 9 × 53 × 10 = 4770
  • 72 × 25 × 8 = 14400
  • 93 × 40 × 2 = 7440
  • 8 × 48 × 75 = 28800
  • 56 × 20 × 4 = 4480
  • 3 × 81 × 20 = 4860
  • 93 × 25 × 8 = 18600
  • 4 × 41 × 15 = 2460
  • 74 × 10 × 5 = 3700
  • 64 × 45 × 2 = 5760
  • 91 × 20 × 3 = 5460
  • 70 × 10 × 5 = 3500
  • 26 × 20 × 5 = 2600
  • 74 × 20 × 3 = 4440
  • 99 × 50 × 2 = 9900
  • 5 × 98 × 12 = 5880
  • 13 × 75 × 8 = 7800
  • 5 × 46 × 14 = 3220
  • 2 × 36 × 45 = 3240
  • 22 × 35 × 2 = 1540
  • 19 × 10 × 4 = 760
  • 49 × 75 × 8 = 29400
  • 3 × 30 × 30 = 2700
  • 64 × 15 × 4 = 3840
  • 10 × 40 × 2 = 800
  • 2 × 44 × 15 = 1320
  • 36 × 10 × 4 = 1440
  • 89 × 10 × 5 = 4450
  • 2 × 47 × 40 = 3760
  • 7 × 71 × 10 = 4970
  • 48 × 45 × 2 = 4320
  • 5 × 67 × 12 = 4020
  • 2 × 16 × 45 = 1440
  • 54 × 20 × 3 = 3240
  • 89 × 25 × 4 = 8900
  • 6 × 17 × 15 = 1530
  • 4 × 67 × 15 = 4020
  • 19 × 10 × 2 = 380
  • 85 × 50 × 2 = 8500
  • 93 × 10 × 4 = 3720
  • 8 × 75 × 25 = 15000
  • 77 × 30 × 2 = 4620
  • 84 × 60 × 5 = 25200
  • 2 × 38 × 40 = 3040
  • 8 × 65 × 50 = 26000
  • 4 × 62 × 15 = 3720
  • 35 × 16 × 5 = 2800
  • 42 × 14 × 5 = 2940
  • 42 × 50 × 2 = 4200
  • 66 × 25 × 4 = 6600
  • 59 × 50 × 8 = 23600
  • 23 × 15 × 2 = 690
  • 66 × 20 × 2 = 2640
  • 14 × 15 × 2 = 420
  • 7 × 19 × 10 = 1330
  • 5 × 29 × 12 = 1740
  • 9 × 38 × 10 = 3420
  • 48 × 25 × 8 = 9600
  • 38 × 10 × 8 = 3040
  • 85 × 25 × 2 = 4250
  • 70 × 10 × 2 = 1400
  • 75 × 30 × 2 = 4500
  • 42 × 50 × 4 = 8400
  • 54 × 50 × 6 = 16200
  • 48 × 20 × 2 = 1920
  • 5 × 11 × 10 = 550
  • 2 × 11 × 40 = 880
  • 2 × 93 × 15 = 2790
  • 16 × 10 × 5 = 800
  • 44 × 10 × 5 = 2200
  • 2 × 66 × 15 = 1980
  • 5 × 72 × 12 = 4320
  • 50 × 25 × 4 = 5000
  • 4 × 53 × 75 = 15900
  • 5 × 12 × 60 = 3600
  • 5 × 18 × 60 = 5400
  • 48 × 15 × 2 = 1440
  • 6 × 74 × 50 = 22200
  • 6 × 71 × 15 = 6390
  • 23 × 25 × 2 = 1150
  • 5 × 21 × 12 = 1260
  • 2 × 60 × 25 = 3000
  • 4 × 49 × 75 = 14700
  • 25 × 16 × 5 = 2000
  • 6 × 13 × 15 = 1170
  • 11 × 60 × 5 = 3300
  • 4 × 40 × 20 = 3200
  • 60 × 75 × 8 = 36000
  • 18 × 10 × 6 = 1080
  • 77 × 14 × 5 = 5390
  • 81 × 10 × 3 = 2430
  • 73 × 25 × 8 = 14600
  • 5 × 25 × 18 = 2250
  • 5 × 42 × 14 = 2940
  • 56 × 10 × 2 = 1120
  • 4 × 79 × 20 = 6320
  • 5 × 81 × 60 = 24300
  • 29 × 25 × 2 = 1450
  • 74 × 20 × 2 = 2960
  • 53 × 40 × 5 = 10600
  • 49 × 10 × 2 = 980
  • 2 × 59 × 35 = 4130
  • 19 × 35 × 2 = 1330
  • 44 × 10 × 4 = 1760
  • 2 × 12 × 10 = 240
  • 23 × 25 × 8 = 4600
  • 6 × 66 × 10 = 3960
  • 4 × 10 × 75 = 3000
  • 56 × 20 × 4 = 4480
  • 5 × 85 × 18 = 7650
  • 8 × 12 × 75 = 7200
  • 75 × 10 × 4 = 3000
  • 4 × 57 × 75 = 17100
  • 4 × 63 × 20 = 5040
  • 2 × 38 × 10 = 760
  • 3 × 70 × 10 = 2100
  • 6 × 14 × 50 = 4200
  • 4 × 81 × 20 = 6480
  • 6 × 83 × 10 = 4980
  • 18 × 25 × 2 = 900
  • 3 × 35 × 20 = 2100
  • 4 × 83 × 15 = 4980
  • 6 × 15 × 15 = 1350
  • 2 × 45 × 20 = 1800
  • 52 × 50 × 6 = 15600
  • 5 × 94 × 10 = 4700
  • 5 × 96 × 40 = 19200
  • 3 × 66 × 30 = 5940
  • 4 × 83 × 20 = 6640
  • 98 × 10 × 3 = 2940
  • 5 × 14 × 14 = 980
  • 5 × 48 × 20 = 4800
  • 5 × 26 × 40 = 5200
  • 50 × 10 × 3 = 1500
  • 3 × 48 × 20 = 2880
  • 40 × 10 × 3 = 1200
  • 9 × 61 × 10 = 5490
  • 48 × 18 × 5 = 4320
  • 2 × 40 × 45 = 3600
  • 2 × 76 × 40 = 6080
  • 44 × 25 × 4 = 4400
  • 70 × 10 × 3 = 2100
  • 4 × 14 × 20 = 1120
  • 2 × 94 × 15 = 2820
  • 51 × 15 × 2 = 1530
  • 90 × 10 × 3 = 2700
  • 3 × 24 × 30 = 2160
  • 59 × 75 × 8 = 35400
  • 2 × 44 × 35 = 3080
  • 26 × 12 × 5 = 1560
  • 79 × 35 × 2 = 5530
  • 5 × 19 × 80 = 7600
  • 40 × 15 × 4 = 2400
  • 5 × 81 × 16 = 6480
※总分:100分, 共计:490道题, 每题:0.20 分。


运用运算律巧算的算法