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1、 2021 年最新小数乘除法计算练习题0.258.540.2516.24(1.250.125)80.3240312.50.960.81.252.5320.250.7344.3612.580.25363.20.2512.54.810.13.61020.391993.6510.10.859.93.723.56.283.515.62.115.61.17.0910.80.87.093.84.563.835.443.140.6831.40.0324.87.8780.521.879.90.1879.7999.756.59956.54.2994.227.53.77.53.75.411-5.47.20.22.
2、41.47.74(2.81.3)1.52.262.316+2.323+2.33.92.73.97.312.79.91.273.654.7 36.50.37 1010.87-0.91874657238610.716.1-15.110.7 7.60.80.27.61.288.60.728.6480.56440.489.161.530.05391.610.60.359.60.358.91.010.651010.2793430.657279 0.2645192640.4810.12596 12.510.8 (204)0.25 4521502.1451.585.515.8257.30.4一、乘法分配律练
3、习0.3 63 99.7 636.1 68 93.9 68 44.9 45 95.1 451.5 24 98.5 248.8 27 91.2 275.498.694.09二、乘法结合律练习257.141.2 31 98.8 314.8 61 95.2 614.4 20 95.6 207 82 93 826.8 8 93.2 89.335.935.2312.925412.50.6981.285.9380350.20.50.75500.4三、简便计算254.48.81.251.51.610.15.60.253.69.92.61.6 6798.4 670.18.20.28.29.7 8.225.26
4、= 34.5 1.5=5.60.04=1.812=0.540.6=241.5=1.81.2=7.839=7215=4.080.8=14.217=18.90.27=6.30.14=1.2618= 43.529=28.611= 20.424=3281.6= 1.3527= 7.650.85= 12.60.28=1.3515=3.6452= 1560.12= 62.42.6= 54.40.16= 1.441.8= 11.72.6=19.412= 59.80.23=211.4= 8.841.7=0.512.2= 7.12.5=19.765.2= 10.845=62.10.03= 1.8954=1.99
5、80.54= 1.2816=4.6875=2.10.4= 2.5632= 50.1838.6=14.70.07= 5.415= 124.80.24= 23.4585=0.5440.025= 203.511= 2415= 3.6452=3521.7.39= 0.100040.2= 120.6=16.80.04= 2.40.6=1162.80.560630.7= 42600.6= 140.04=7.110.9=0.38=10980.36= 0.320120.4= 5400.5= 25.20.04= 2.70.6=2618.70.180120.6= 14120.2= 8.80.04=0.760.2=
6、0.29=2687.10.53=0.090270.3= 21280.7= 18.90.03= 2.380.7=0.00010.5= 24360.6= 13.50.05= 4.440.6=0.240210.3= 24120.3= 30.80.07= 1.320.4=2905.60.32=2464.40.61=87870.87= 0.060060.6= 3300.3= 54.90.09= 1.20.5=25800.43= 0.20010.5= 7630.7= 23.20.08= 0.950.5=44110.55= 0.120120.3= 10450.5= 53.60.08= 1.230.3=477
7、5.30.450270.9= 16560.8= 50.02=0.720.9= 0.53=5895.50.65=0.080.8=12100.2= 25.50.05= 3.440.8=3388.80.48=0.720320.8= 32240.8= 180.05=3.450.5=1331.20.64=0.020080.2= 32240.8= 39.60.09= 0.70.5=0.180480.6= 72800.8= 53.40.06= 0.40.8=1747.20.84=948.30.87= 0.08010.2= 27630.9= 22.80.04= 2.240.8=668.80.32= 0.630
8、90.9= 64240.8= 12.90.03= 1.80.3=31200.52= 0.120480.6= 42490.7= 230.05=9200.23= 0.280420.7= 7490.7= 30.50.05= 0.60.5=68.40.76= 0.480180.6= 24200.4= 90.03= 0.480.4=6.440.7=50960.56= 0.640720.8= 24300.3= 14.70.07= 5.760.6=3385.20.280490.7= 16280.4= 22.40.08= 0.720.9=0.42=745.50.71= 0.000280.7= 54060.6=
9、 37.80.06= 1.260.9=3254.40.500150.5= 25200.5= 30.50.05= 2.520.3=0.36=529.20.49= 0.160120.4= 15060.3= 5.40.02=1.740.6=240.6=1842.30.240120.4= 16080.4= 39.20.08= 2.320.8=0.200360.4= 6270.3= 17.40.06= 5.110.7= 0.89=2259.20.32=0.36090.9= 30350.5= 220.04=0.10020.5= 16180.2= 130.02=0.320.4=2.760.3=5467.20
10、.68=1522.50.25=0.180090.3= 9030.3= 11.40.02= 20.8=2973.60.59=0.120060.3= 300.6=240.06=0.80.4=51.30.57= 0.270210.3= 15210.3= 16.80.07= 1.440.6=7480.68= 0.450450.5= 63560.7= 35.20.08= 1.760.4=4341.60.250.5=64320.8= 14.40.02= 2.520.4=0.72=39600.66= 0.040160.2= 6030.3= 17.10.03= 5.580.6=3212.80.540.9=61
11、20.6= 68.80.08= 1.260.6=0.64=1934.20.38=0.180030.3= 72720.9= 14.40.03= 0.360.3=22650.75= 0.150150.5= 18060.3= 390.06=10.5=10570.35= 0.64040.8= 54090.9= 36.40.07= 2.610.3=10530.26= 0.320320.8= 12060.6= 18.60.03= 1.840.8=29.40.42= 0.450540.9= 16240.8= 15.80.02= 0.450.5=5400.5=0.240180.6= 27120.3= 330.
12、06=5.940.6= 30300.5= 0.200060.2= 54540.9= 52.20.06= 1.60.4=254.40.24= 0.320240.4= 36360.6= 35.50.05= 2.520.4=26600.38= 0.00020.5= 28320.4= 13.20.06= 0.330.3=6806.80.400640.8= 400.5=27.20.08= 4.650.5=0.68=5420.10.89=0.100120.2= 80240.8= 13.80.03= 2.970.3=13640.44= 0.18060.6= 63000.7= 50.40.06= 0.450.
13、5=1842.30.30030.5= 18090.3= 21.30.03= 2.950.5=0.23=2899.20.120280.4= 70210.7= 210.06=6.580.7=0.48=19800.66= 0.020120.2= 25000.5= 27.20.04= 5.760.8=632.40.31= 0.450090.9= 56140.7= 390.05=1830.42.850.3=0.480480.8= 720.8=23.70.03= 0.510.3=0.26=1416.80.28=0.210120.3= 35050.5= 16.50.03= 0.150.3=0.600120.
14、6= 3030.3= 30.50.05= 1.460.2=2081.50.23=11340.28= 0.540480.6= 56000.8= 280.04=2964.50.60.4=0.040040.4= 30400.5= 62.10.09= 5.340.6=0.49= 56080.8= 0.480240.6= 20320.4= 13.80.03= 2.910.3=4627.70.200160.2= 27120.3= 21.60.03= 1.080.6=0.77=1682.80.100350.5= 9150.3= 21.60.04= 5.880.6=0.28=3106.20.080320.4=
15、 24640.8= 280.07=0.780.3=0.62=719.40.66= 0.320720.8= 40000.5= 34.80.04= 1.560.4=22.20.74= 0.120020.2= 40560.8= 360.09=2.650.5=1.980.9=5561.40.060040.2= 8160.2= 180.06=0.69=899.80.22= 0.140140.2= 72540.9= 39.90.07= 30.6=1026.80.06030.3= 72400.8= 44.80.07= 1.280.4=0.34=12.80.32= 0.45020.5= 72720.8= 25
16、.50.03= 4.640.8=17.40.29= 0.060120.2= 42560.7= 38.50.07= 1.330.7=2766.50.180420.6= 5200.5= 13.80.02= 1.470.3=0.55=893.20.44= 0.630.7=1732.842560.7= 16.80.02= 6.30.9=0.210140.7= 49490.7= 330.05=0.90.5=0.57=7260.66= 0.420.7=60240.6= 35.70.07= 1.80.3=2356.20.400240.4= 9090.3= 44.50.05= 5.520.6= 0.77=33
17、330.55= 0.50030.5= 24280.4= 8.20.02=34.50.69= 0.030180.3= 27120.3= 440.05=3931.28.190.9=4.640.8=0.200080.4= 49490.7= 28.50.05= 1.470.7=0.56=848.40.21= 0.320640.8= 400.8=38.50.07= 2.850.5=2605.80.720080.8= 72000.9= 12.60.03= 0.210.3=0.43=5342.80.76=0.150250.5= 24180.3= 43.20.09= 0.960.3=0.240240.3= 2
18、4000.6= 47.20.08= 2.760.3=0.020040.2= 63560.7= 30.40.08= 2.250.3=6090.3=2705.40.54=4195.20.69=0.06030.6= 6180.3= 22.20.03= 3.40.4=3190.29= 0.35050.5= 49490.7= 17.50.07= 0.640.8=17010.42= 0.020160.2= 48240.8= 520.08=0.350.5=3.50.5=5745.60.480480.8= 56320.8= 150.05=0.57=5158.40.25040.5= 16320.8= 12.80
19、.04= 3.720.4=0.200280.4= 4280.4= 28.40.04= 5.180.7=0.64=1688.40.28= 2191.70.31=0.210030.3= 480.8=16.80.03= 2.430.3=2582.40.32=0.060180.3= 8400.4= 18.90.07= 4.760.7=31460.52= 0.560350.7= 14000.7= 28.70.07= 0.750.3=56160.8= 0.10040.5= 18420.6= 54.40.08= 0.50.5=5159.50.180180.6= 12400.4= 38.40.08= 2.36
20、0.4=0.85=1043.80.54030.6= 150.5=50.40.07= 2.20.4=0.34=2058.20.41=0.560210.7= 50450.5= 270.03=3.540.6=3222.40.53=0.450090.9= 50300.5= 25.80.06= 1.520.8=21060.26= 0.150350.5= 35210.7= 33.60.08= 1.650.3=42420.84= 0.180720.9= 64640.8= 29.50.05= 2.960.8=1324.80.090210.3= 20120.4= 300.06=1.470.3=0.64=1991
21、0.22= 0.720240.8= 20350.5= 4.20.02=1728.66.580.7=0.360360.9= 6080.2= 25.20.03= 0.960.8=0.86=641.70.31= 0.060160.2= 30540.6= 73.80.09= 0.380.2=34340.85= 0.060030.3= 8720.8= 19.60.04= 1.610.7= 3714.90.61=0.240120.4= 18810.9= 41.50.05= 3.040.8=0.540450.9= 64400.8= 21.50.05= 0.540.3=0.080720.8= 21240.3=
22、 62.40.08= 1.360.8=0.300360.6= 20450.5= 17.60.02= 5.670.7=1878.60.62=6508.80.72=1616.50.53=72480.8= 0.630490.7= 7700.7= 52.50.07= 0.320.4=21.20.04= 28.80.06= 68.80.08= 26.40.06= 33.50.05=37.10.07= 32.40.04= 260.05= 37.60.08= 340.05=390.05=8.20.02= 12.50.05= 23.80.07= 11.20.04= 12.80.02=18.30.03= 22.
23、20.06= 29.50.05= 5.80.02= 30.40.04=5.20.02=51.80.07= 37.80.06= 6.40.02=12.80.02= 43.50.05= 27.50.05= 13.60.04= 15.40.07=37.20.06= 26.60.07= 8.80.04= 13.50.03= 41.50.05=340.05=8.40.04=49.60.08= 28.20.06= 17.40.03= 34.30.07=53.60.08=54.60.07= 18.40.08= 25.50.03=60.90.07= 22.50.05= 39.60.06= 76.50.09=2
24、0.30.07= 12.20.02= 13.50.03= 21.60.06= 22.40.07=13.50.05= 320.05= 8.80.02= 10.80.04= 9.30.03=23.40.03= 14.70.07= 23.10.07=150.06=17.50.07= 26.10.03= 260.04= 160.05=20.70.09= 200.04=290.05= 58.40.08= 270.09=11.70.03= 9.40.02=20.40.06=120.04= 56.70.07= 12.90.03= 16.50.03= 120.03=70.40.08= 34.20.06= 32
25、.90.07= 23.40.03= 350.05=10.50.03= 43.20.06= 71.20.08= 41.30.07= 30.40.08=30.80.04= 18.50.05= 300.05= 40.80.08= 140.05=53.90.07= 79.20.09= 23.20.04= 12.80.04= 720.09=450.09=53.40.06= 38.40.06= 21.70.07= 9.40.02=14.70.03= 51.80.07= 52.50.07= 11.80.02= 10.20.03=5.40.02= 36.60.06= 36.90.09= 17.60.02= 3
26、4.20.06=19.50.05= 44.10.09= 6.40.02= 380.05=14.70.07= 520.08= 18.40.04= 25.60.08= 210.05=640.08= 15.40.02= 17.80.02= 19.50.05= 18.80.04=60.90.07= 440.08= 270.09= 33.50.05= 21.90.03=22.40.07= 37.10.07= 14.40.02= 110.05=390.05=21.60.08=35.50.05=32.40.04= 140.04=6.80.02= 220.05=39.50.05= 360.05=29.40.0
27、7= 32.40.06= 20.70.03=39.60.06= 58.10.07= 9.60.04= 21.30.03= 16.50.05=23.20.04= 23.20.04= 14.40.02= 52.20.06= 270.05=11.20.04= 25.80.06= 25.20.03= 19.50.03= 41.30.07=450.09=170.05=32.90.07= 480.08= 35.50.05= 6.90.03=210.06= 22.40.04= 150.03= 42.30.09=4.80.02= 25.80.03= 26.40.03= 33.60.08= 44.50.05=1
28、7.60.04= 23.10.07= 24.60.03= 19.80.03= 210.03= 9.60.03= 36.90.09= 10.40.04= 9.20.02=32.80.04= 41.60.08= 22.80.04= 13.80.03= 420.05=450.05= 7.20.03= 120.06= 43.80.06= 200.04=59.20.08=25.20.04= 65.70.09= 22.20.03= 22.40.08= 21.60.03=30.40.04= 30.10.07= 60.30.09= 14.70.03= 11.20.04=32.50.05= 37.80.07=
29、56.80.08= 60.80.08= 140.04=9.60.03= 19.80.03= 12.30.03= 17.10.03= 22.80.06=400.08=140.02=12.50.05= 390.05= 340.04=37.80.07=26.50.05= 33.60.08= 38.70.09= 70.40.08=23.50.05= 54.90.09= 58.80.07= 10.80.02= 30.80.04=20.70.03= 24.90.03= 25.80.03= 35.40.06= 51.10.07=490.07=17.50.07= 11.40.03= 36.60.06= 26.
30、40.03= 400.05=18.90.03= 52.50.07= 68.80.08= 110.05= 26.60.07=23.20.08= 10.80.02= 15.60.02= 26.40.06= 34.40.08=360.04= 16.80.04= 42.60.06= 11.50.05= 21.50.05=30.80.04= 51.60.06= 12.60.02= 21.90.03= 210.03=110.02= 10.80.02= 7.20.03= 16.40.04= 170.05=18.20.07= 68.40.09= 35.20.04= 63.90.09= 54.60.07=56.
31、70.07= 32.20.07= 16.20.06= 290.05= 40.50.05=420.05= 24.80.04= 16.20.06= 14.40.06= 180.09=18.90.07= 450.05= 31.50.05= 39.50.05=34.40.04= 80.10.09= 17.10.03= 42.60.06= 20.40.06=46.80.09= 32.20.07= 22.50.05= 54.40.08= 480.06= 14.40.04= 480.08=60.30.09= 7.60.02=57.40.07=150.05=150.05=19.80.03= 32.20.07=
32、 15.60.06= 35.70.07=60.20.07= 210.07= 28.80.06= 21.20.04=30.80.07= 7.20.02=18.50.05= 42.60.06= 360.05=280.05=480.06=29.50.05= 65.60.08= 280.08= 270.05=70.02=5.20.02= 31.20.04= 6.40.02=23.40.06= 27.50.05= 41.50.05= 120.03= 41.30.07=17.50.05= 54.90.09= 11.40.02= 62.40.08= 13.80.03=15.90.03= 220.05=12.
33、20.02= 7.80.03=14.40.06= 8.80.04=340.04=50.40.07= 22.80.04= 47.60.07=12.80.04= 28.50.05= 8.40.04= 16.50.03= 6.40.02=56.80.08= 16.10.07= 46.90.07= 170.05= 46.40.08=42.30.09= 32.40.04= 280.08= 19.80.06= 25.20.06=16.40.02= 30.10.07= 22.40.08= 15.80.02= 49.80.06=32.40.04= 10.80.03= 600.08= 28.80.06= 24.
34、40.04=32.40.04= 39.20.08= 64.80.08= 36.50.05= 8.40.04=24.50.07= 160.04=350.07= 26.40.04= 27.60.06= 25.20.07= 21.60.06=17.40.03= 16.50.05= 28.80.04= 4.60.02= 10.20.02=50.40.09= 32.40.06= 44.80.08=15.90.03= 10.50.03= 64.80.08= 48.60.06= 48.60.09=27.20.04= 55.80.09= 61.60.07= 54.60.07= 280.05=31.50.07=
35、 5.20.02=5.40.02= 270.05=7.50.03=51.30.09= 53.60.08= 31.20.04= 17.20.04= 60.90.07= 12.80.02= 14.80.02= 30.80.04= 32.20.07= 19.20.03=43.20.08= 180.05= 420.07= 29.40.07= 46.40.08=29.20.04= 340.04= 11.50.05= 30.80.04=390.06= 310.05= 42.60.06= 400.05=37.50.05=17.40.03= 22.80.04= 55.20.08= 49.20.06= 33.2
36、0.04=70.02=410.05=29.40.06= 38.50.07= 39.20.07= 210.03=210.06=310.05=26.80.04= 8.20.02= 320.04=34.30.07= 18.20.07= 90.03=68.40.09=300.06=50.40.07= 34.40.04= 35.40.06= 39.90.07= 480.08=26.80.04= 20.10.03= 30.50.05= 270.06=55.30.07= 7.50.03= 43.20.06= 7.20.03=26.70.03=7.80.03=44.40.06= 34.80.04= 38.40
37、.06= 11.10.03= 16.50.03=280.04= 40.80.08= 45.50.07= 200.05= 25.80.06=11.60.02= 51.60.06= 39.60.09= 42.40.08= 19.80.06=28.70.07= 420.05=58.80.07= 150.06=200.04= 19.60.07= 31.50.07=33.60.07= 8.10.03=25.80.06=21.50.05=32.80.08= 25.80.06= 25.20.04= 440.08=27.50.05= 35.50.05= 20.40.04= 30.40.04= 25.90.07
38、=32.40.06= 18.60.03= 39.90.07= 15.50.05= 19.20.03=22.40.08= 21.70.07= 33.20.04= 52.20.06= 33.60.08=38.50.05= 17.60.04= 330.05= 90.03=210.07=140.05=450.06=26.50.05= 110.05= 370.05=150.02= 24.80.04= 630.07=37.60.08=20.30.07= 50.40.06= 23.40.06= 61.20.09= 8.80.04=53.20.07= 51.10.07= 18.60.06= 150.06=44
39、.50.05= 12.60.06= 44.80.07= 150.02=15.40.07= 25.50.03= 24.50.05= 6.20.02=540.09=43.20.08=29.40.07=19.60.04=23.50.05= 49.60.08= 37.10.07= 12.40.04= 46.80.09=200.04=50.02=18.50.05= 150.06=100.04=5.40.02= 30.10.07= 32.40.09= 680.08=19.20.04= 19.20.08= 50.40.06= 180.05=24.80.08=45.60.08=16.40.04= 27.60.
40、04= 58.10.07= 13.50.03= 49.20.06=18.90.09= 52.50.07= 26.40.08= 25.20.06= 110.05=16.50.05= 32.90.07= 65.60.08= 16.80.07= 28.80.06=37.20.06= 37.20.06= 110.05= 23.60.04= 17.20.02=26.60.07= 15.60.04= 56.70.09= 44.10.07= 280.05=120.06=240.03=340.04=36.40.07= 41.40.06= 360.05=57.40.07= 23.20.04= 13.80.03=
41、 90.02=12.60.06= 28.40.04= 340.04= 16.80.04= 15.60.06=8.10.03= 35.10.09= 25.60.08= 53.40.06= 22.20.03=48.30.07= 22.80.06= 56.70.09= 59.20.08= 280.07=17.40.03= 25.80.06= 350.07= 46.80.09= 16.20.03=6.60.03= 40.80.08= 20.30.07= 14.20.02= 23.20.08=25.20.04= 36.40.07= 120.03= 46.20.06= 24.90.03=41.30.07= 8.40.04=20.40.04= 6.90.03=24.60.03= 40.80.08= 160.04=60.80.08= 520.08= 58.10.