1、本页共 100 题5.46 0.546 3.20.08 124.84 0.459 4.80.4 140.484 0.8412 0.680.17 150.480.4 0.841.2 50.5 183.93 9.20.4 40.8 1100.390.3 4.20.7 4.9100 11007.86 0.632.1 0.40.04 240.786 0.210.7 0.040.4 250.780.6 5.85.8 7.20.08 289.60.4 0.630.7 5.40.28 320.960.4 0.280.14 0.70.02 340.964 50.5 1.80.01 357.50.5 30.6
2、360.6 450.750.5 0.30.6 6.50.13 65750.5 0.630.03 0.780.2 856.30.07 6.321 560.01 688.19 4.9100 4.80.08 728.10.9 560.56 0.480.8 740.810.9 0.40.04 0.488 484.26 6.30.09 05406 954.20.06 0.720.08 0546 754.20.6 4.710 054006 7100.420.06 5.60.28 05460 5100.750.5 360.6 540 6 151007.50.5 650.13 5406 151000本页共 8
3、7 题10.98100= 0.04810010= 6.910=56.2100= 0.810100= 0.0491000100=100100010= 368100= 0.3100=8.71000= 10.1100= 0.11001000.22410= 1.58100= 0.127 1000=2.710= 0.051000= 0.951000=110010= 45.7-5.70.1= 0.123 10=0.7510100 = 0.48+0.16+0.52= 71.57-4.76-1.24=8.5+1.5-6.3= 1.8 0.1= 0.810.01=1.0251001000= 51000= 0.0
4、01101000=12.8100= 12.0710= 1.07100=1.54= 2.54= 0.13 4=5.410= 0.180.3= 8.5 1.7=4.21000= 0.450.15= 3.60.1=8.5100= 0 .0425= 0.0960.03=3.2100= 1.20.3 = 0.497=844.2= 10000.756= 0.5100=00.25= 10.01= 9.30.3=1.258= 3.82= 7.20.9=1.60.2= 2.10.3= 0.3216=40.4= 0.450.5= 0.20.01=0.165 1.782.2 = 9.60.6 =1.20.5-0.4
5、 = 0.70.01 = 2.50.4 =12.50.8= 1 .2581.25 = 6.60.66 =5.370+4.63 = 3.92.03 1.6+2.40.3 = 2.140.9 2745673= 8（2.50.25）0.30.3= 7.22.8 0.90.013.53.53 2.50.70.8= （1.50.25）4 72.80.8 12.58= O .0425=小数乘除法口算练习（本页共 113 题）0.96= 0.20.5= 600.5=1.54= 2.54= 0.70.8= 1.870= 0.245= 0.20.6= 0.51.1= 0.60.02= 1.254= 0.21.7
6、= 5.410= 0.180.3= 40.25= 0.48= 1.80.5= 0.134= 8.71000= 2.510= 6.32.1= 0.484= 0.80.5= 2.710= 80.4= 80.5= 7.20.6= 8.5 1.7= 0.54= 0.5614= 1.60.8= 6.39= 0.450.15= 3.60.1= 0.10.8= 0.40.25 1.40.4= 0 .0425= 0.960.03= 4.21.4= 3.93.9= 06.81= 3.2100= 1.20.3 = 1.54= 2.54 = 0.13 4= 8.5100= 0.497=2.40.8= 5.410=
7、3.2100= 844.2= 10000.756= 4.21000= 0.450.15= 3.60.1= 1.258= 3.82= 0 .70.8 = 8.5100= 9.30.3= 2.10.3= 0.3216=0. 80.3= 8.5 1.7= 1.20.3 = 12.0710= 1.07100= 0.490.7= 0 .0425= 0.960.03= 0.450.5= 0.20.01=8.44.2= 00.25= 10.01= 9.30.3= 10000.756= 0.5100= 2.50.4= 1.60.2= 40.4= 1.258= 3.82= 0.20.01= 0.5100= 00
8、.25= 7.20.9= 1.60.2= 0.450.5= 4.21000= 7.20.9= 0.54= 5.410= 4.21000= 0.450.15= 2.54 = 0.1 0.4= 2.40.8= 3.60.1= 20.5 = 1.258=8.5100= 3.2100= 1.80.3= 8.5 1.7= 1.20.3 = 0.490.7= 0 .0425= 0. 960.03= 7.29= 2.45=本页共 100 题5.46 0.546 3.20.08 124.84 0.459 4.80.4 140.484 0.8412 0.680.17 150.480.4 0.841.2 50.5
9、 183.93 9.20.4 40.8 1100.390.3 4.20.7 4.9100 11007.86 0.632.1 0.40.04 240.786 0.210.7 0.040.4 250.780.6 5.85.8 7.20.08 289.60.4 0.630.7 5.40.28 320.960.4 0.280.14 0.70.02 340.964 50.5 1.80.01 357.50.5 30.6 360.6 450.750.5 0.30.6 6.50.13 65750.5 0.630.03 0.780.2 856.30.07 6.321 560.01 688.19 4.9100 4
10、.80.08 728.10.9 560.56 0.480.8 740.810.9 0.40.04 0.488 484.26 6.30.09 05406 954.20.06 0.720.08 05406 754.20.6 4.710 05406 7100.420.06 5.60.28 05406 15100.750.5 360.6 05406 151007.50.5 650.13 05406 151000本页共 90 题10.98100= 0.04810010= 6.910=56.2100= 0.810100= 0.0491000100=100100010= 368100= 0.3100=8.7
11、1000= 10.1100= 0.1100100=0.22410= 1.58100= 0.127 1000=2.710= 0.051000= 0.951000=110010= 45.7-5.70.1= 0.123 10=0.7510100= 0.48+0.16+0.52= 71.57-4.76-1.24=8.5+1.5-6.3= 1.8 0.1= 0.810.01=1.0251001000= 51000= 0.001101000=12.8100= 12.0710= 1.07100=1.54= 2.54= 0.13 4=5.410= 0.180.3= 8.5 1.7=4.21000= 0.450
12、.15= 3.60.1=8.5100= 0 .0425= 0.0960.03=3.2100= 1.20.3 = 0.497=844.2= 10000.756= 0.5100=00.25= 10.01= 9.30.3=1.258= 3.82= 7.20.9=1.60.2= 2.10.3= 0.3216=40.4= 0.450.5= 0.20.01=0.96= 0.20.5= 600.5=70.08= 1.870= 0.245=0.051.6= 0.51.1= 0.80.5=60.12= 1.254= 6.21.7=40.25= 0.48= 1.80.5=2.510= 6.32.1= 0.924=
13、801.6= 80.5= 7.20.6=0.5614= 1.60.8= 6.39=0.158= 0.40.25 1.470.4=本页共 90 题4.21.4= 3.93.9= 06.81=1.54= 2.54 = 0.13 4=2.4-0.8= 5.410= 3.2100=4.21000= 0.450.15= 3.60.1=O .75+0.8 = 8.5100= 9.30.3=0.180.3= 8.5 1.7= 1.20.3 =0.490.7= O .0425= 0.0960.03=844.2= 00.25= 10.01=10000.756= 0.5100= 2.51.470.4=1.258=
14、 3.82= 0.20.01=7.20.9= 1.60.2= 0.450.5=0.452.5 0.81.25 0.33.6= 0.30.3 100.07 0.31.4 0.057 0.920.4 0.20.260.144 0.020.1 1.20.30.20.4 8.21.8 10035.22 2.34 2.50.4 2.45 0.224 3.250 0.90.52 3.991 03.52 12.58810 = 10-1.8-7.2= 0.43+3.57= 2.5412= 0.90.8= 10.5= 0.963= 1.470.7= 0.16.510= 0.56100= 3.78100= 40.
15、8 =3.215100= 0.810= 4.08100= 1.10.2 = 0.60.8 = 30.9=2.50.4= 3.60.4= 12.58=500.04= 800.3 = 1.19= 0.165 1.782.2 = 9.60.6 =1.20.5-0.4 = 0.70.01 = 2.50.4 =123.9= 1 .2581.25 = 6.60.66 =本页共 96 题5.370+4.63 = 3.92.03 4.23.51.6+2.40.3 = 2.140.9 2745673=0.30.3= 7.22.8 0.90.01120.3= 2.870.7 1340.960.3 1.50.4 7
16、0.252.50.70.8= 82.5 161.65.61.01= 8（2.50.25） 0.360.6464.3216 4.20.1 72.80.88.44.2 13.89.9 2.42.50.050.8 2.560.37 1.250.80.5122.5 1.233 3.21.6=3.53.53 19.62 8.82.2= 0.754 （1.50.25）4 0.50.8=8.40.2= 1.60.2 7.20.3= 2.80.3= 0.90.15= 1.80.4=5.50.55= 0.08100= 2.20.11=5.464.54= 12.50.8= 0.350.3=1.45= 2.84=
17、19.64=据 216326912，很快写出下面各题的积。21.632 216032 0.216322.1632 216320 2160320根据 10814515660，直接写出下列各式的积。10.81.45 1.081450 0.10814.51.080.145 0.010814500 10.80.145口算0.87 1.57 1.3280.78 10.32 50.63.2123 3.212.3 32.12.332.10.23 3.210.23 3210.0230.90.3 3.50.2 2.010100.05 0.137 0.211000.74 0.054 40.3 12.58 2.34
18、 3.250 0.450 300.1 2.63 4.12 0.350.2 7.50.1本页共 114 题0.90.3 10.06 90.51.258 10.73 0.68 2.05100 0.040.3 0.40.25 1.258 1.65 0.91.40.20.4 8.21.8 10035.222.50.4 2.45 0.2240.90.52 3.991 03.527.26 4.44 3.635.22 1.53 1.20.43.63 2.73 0.123 0.459 3.66 2.72 1.23 0.454 2.55 8.47 0.3417 2.50.5 8.40.7 0.340.17 30
19、.44 1.26 0.720.6 2.61.30.60.3 03.65 7.821 1.40.7 3.60.06 5.60.9 0.480.8 4.40.11 4.23 0.30.01 40.5 5.10.17 0.90.45 9.616 10.01 34 8.19 2.54 3.66.3 0.054 3.50 10.08 3.50.01 1.250.25 3.90.39 4.85.2 0.50.4 6.44 1.50.3 4.23 7.20.9 2.30.1 2.26 0.1258 4.50.9 2.54 2.54 0.30.1 4.22.1=990.1 430.01 7.10.1= 700
20、.001= 2.51510= 1.10.4=0.326100= 0.10.01= 0.870.6=0.20.6= 4.60.46= 0.0010.1 20.640.36 1.253.30 37.29937.25.61.4 09.8 40.25 1.858.40.4 1.94 1.60.8= 0.5252= 3.20.4 0.281.40.011 60.025 03.565= 0.20.4= 2.951.953.在（ ）里填上适当的数。0.420.7（ ）7 0.380.19（ ）19 0.2170.85（ ）85 21.281.4（ ）14 5.1751. 5（ ）85 32.340.21（
21、）21不计算，直接写出下列各式的积是几位数。3.50.7 ( ) 4.90.05 ( ) 51.7 ( )4.250.27 ( ) 450.09 ( ) 17.020.3 ( )把下列各题改成除数是整数的除法。360.36( )( ) 0.090.3( )( )146.40.024( )( ) 5.60.35( )( )241.50.35( )( ) 270.30.106( )( )不计算比较下列各式的大小。3.050.9 3.05 7.921.1 7.9238.41.01 38.4 5.340.8 5.34不计算，在下面的圆圈里填上“” 、 “”或“” 。3.61.1 3.6 3.60.9
22、3.6 3.61 3.63.61.1 3.6 3.60.9 3.6 3.61 3.64、根据第一栏的积，很快写出后面每栏中的积。因数 32 320 32 3.2 0.32 0.32 0.32因数 15 15 150 15 15 1.5 0.15积 480根据表中第一栏的结果，把表格填写完整。被除数 945 9.45 945 0.945除数 27 27 0.27 2.7 0.027商 35 36用“四舍五入法”算出商的近似值，填入下表。精确到个位 精确到十分位 精确到百分位 精确到千分位3267.54.313.20.875.填空。0.75 3.63.9 0.136.93.90.5 2.11.57
