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1、口算专项训练（口算专项训练（1 1）0.4 4 =2 2.8 =2.4 3=2.2 4 =1.9 4=6.7 4 =4.3 1 =6.7 8 =5.4 6 =3.4 8 =3 5.4 =0.3 8 =5 0.8 =0.6 9=2.3 3 =3.9 2 =7.4 3=7.1 3 =3 5.4 =0.3 8 =2 4.4 =1.6 3=3.7 3=8 4.1 =2.3 4=1.9 8 =2.2 2 =2.3 8 =8.2 9 =1.9 3 =3 6.6 =0.4 7 =1.5 6 =6.3 4=6 4.3 =2 2.8 =2.4 3=2.2 4 =3 6.6 =0.4 7 =3.9 2 =7.4
2、3=7.1 3 =6.3 4=7 2.6 =7.4 0 =2.5 9 =4.4 2 =4.5 6 =2 4.3 =3 6.7 =3.4 4 =6 8.1 =1.9 4 =8 4.3=1.6 3=3.7 3=8 4.1 =3 6.7 =口算专项训练（口算专项训练（2 2）0.3 100 =5.2 10 =10 9.72 =10 0 6.8 =10 5.66 =68.2 10 =10.3 10=5.3 100 =100 7.4 =8.8 10 =4.9 1000=10 2.3 =1.67 1000 =100 3.19 =100 3.8 =6.3 7 10 =1000 0.3 5=2.5 6 100
3、=0.5 10 =100 10.8 =0.46 10 =2.4 10 =2.3 1 10=10 8.37 =0.1 10 =51.2 100 =1.3 10 =1000 6.73=8.87 100=1000 5.2 =10 0.22 =100 2.6 =7.4 10 =100 3.2 =9.9 1000 =100 4.1 =10 4.38 =13.4 10=20.6 1 00=10 4.52 =小数乘整数小数乘整数(3)(3)6.6 10=7.9 10=10 3.3 1=1 0 4.6 =10 8.5 =4.2 100 =1000 5.4 =10 8.1 =8.98 100=100 2.05
4、=1000 2.2 =100 2.8 =2.4 1 00=2.2 100 =100 4.1 =0.3 10=6.4 100 =0.5 100 =0.9 100=1000 5.41 =口算专项训练（口算专项训练（3 3）2.4 1 00=1000 0.3 5=2.5 6 100=2.2 100 =9.5 100 =100 6.93 =1.3 10 =1000 6.73=2.54 1000 =2.25 1000 =100 8.35 =10 8.64 =4.36 100 =3.2 5=8.4 2 =100 8.2 7=1000 5.4 =10 8.1 =2.8 30=7.9 2 =100 3.19
5、=10 4.38 =13.4 10=100 3.8 =100 6.76 =9.2 100 =1000 5.4 =1.46 100=3.76 100 =100 4.15 =10 8.38 =10 8.9 =1.25 8=7.2 6=10 6.48 =4.31 8=5.3 100 =100 7.4 =8.3 2 =6.6 4 =0.3 10=6.4 100 =100 3.2 =9.9 1000 =5.5 10 =10.3 10=5.3 100 =27.4 100 =7.17 1000=8.3 5 =7.8 10 0=7.4 100 =0.25 4=4 6.1 =5.1 3 100=8.22 3 =
6、1000 6.73=8.87 100=7.5 2 0=4 5.5 =口算专项训练（口算专项训练（4 4）3.76 100 =1.25 8=7.2 6=100 4.6 =14.1 4=44.2 100=4.3 6 10 =10 0.22 =100 2.6 =7.4 10 =2 2.8 =2.4 3=2.2 4 =100 6.6 =0.4 7 =100 6.76 =9.2 100 =0 5.6 =7 2.1 =7.17 1000 =0.25 4=1000 6.82 =0 5.6 =7 2.1 =100 8.05 =100 8.35 =1000 2.2 =100 2.8 =2.4 1 00=1.6
7、810=0.7 10=8 4.1 =3 6.7 =8.4 2 =5.5 10 =5.2 6 10 =58.1 100 =100 5.3 =2.25 1000=3.2 5=100 8.3 =58.1 100 =100 5.3 =100 8.2 =4.9 1000=10 2.3 =1.67 1000 =3.9 2 =7.45 100=7.1 100 =3 5.4 =0.3 8 =9.5 100 =100 6.93 =2.5 100 =14.1 4=44.2 100=口算专项训练（口算专项训练（5 5）7.2 4 100 =9.5 100 =100 6.93 =2.5 100 =7.4 4 =100
8、 8.2 =5.2 100 =0.17 2 =3.2 5=4.3 4 2 =4.31 8=7.81 100 =8 4.3=3.2 4=3.2 10=8.8 10 =9.22 100 =100 7.2 =7.4 100 =100 6.76 =9.2 100 =8.8 7=1.3 4 8 =100 9.2 =0.4 6 =2.3 100 =5.1 5=8.2 100 =8.22 3 =2.33 4=4 4.4 1=8 4.2=8.8 3 100=8.3 10=5.2 10 =7.5 10 =8.4 2 =5.5 10 =5.2 10 =7.5 3 =100 8.05 =6.6 10=0.92 3
9、=10 3.3 =4.1 5=10 8.38 =10 8.38 =6 4.2 2=2.5 100 =8.9 2 =10 4.72 =7.5 2 =2.5 100=7.4 100 =口算专项训练（口算专项训练（6 6）40.25=0.51.1=0.80.5=0.5100=0.20.5=600.5=8.5100=300.5=0.780.2=3.920=1.58=2.58=1.940=2.52=2.12=3.080.01=0.40.5=0.420=1.3280.90.30.13712.582.340.450.290.54.127.50.10.50.28=1.55=40.25=3.40.7=0.510
10、=5.6100=4.951000=2.810=0.8710.3250.60.740.4502.634.1209.82.6310.060.80.9=3.60.2=7.254=3.65=0.68=4.52=6.90.1=0.70.8=0.783.50.2100.050.0543.2507.50.13.50.013.90.31.2580.90.3口算专项训练（口算专项训练（7 7）90.5=8.20.8=0.90.2=300.1=4.80.5=1.258=7.80.5=6.80.4=8.15=0.80.5=00.54=0.12580.1810322.51.258 =2.50.41.40.5=0.36
11、10=1.50.8=7.85=720.4=2.50.4=0.20.4=3.991=0.50.2=2.010=0.21100=2.99=0.80.1=0.80.25=0.540=40.25=0.812.5=0.10.02=00.54=0.12580.1810322.53.14100=3.6500=0.00810001.50.5=0.4250.224=40.3=10.08=2.45=3.40.4=1000.8=0.740=10.98=0.1258=1.258 =2.50.41.80.5=40.25=0.812.5=0.10.02=2.45=2.50.04=6.520=0.1256=30=10.1口
12、算专项训练（口算专项训练（8 8）0.871.570.90.30.13712.582.340.450.290.54.127.50.190.5=8.20.8=0.90.52=300.1=4.85=1.258=7.80.2=6.80.4=8.15=80.52=70.08=0.7810.3250.60.740.4502.634.1209.82.6310.062.50.4=0.20.4=3.991=0.350.2=2.010=0.21100=2.190.1=0.80.18=0.895=0.540=1.870=1.3283.50.2100.050.0543.2507.50.13.50.013.921.2
13、580.90.3103.52=0.224=40.3=10.08=2.45=3.40.4=100.89=0.724=0.10.98=0.1258=0.245=口算专项训练（口算专项训练（9 9）0.020.5=3.60.3=5.6100=4.80.3=0.750.6=0.862=6.30.7=0.1258=0.562=0.79=0.364=0.648=3.64=4.63=12.54=2.45=3.080.01=0.40.5=9.60.8=9.50.6=0. 560.7=3.93=0.250.4=1.250.8=0.22100=4.50.5=50.12=44.2=0.81.1=2.84=1.640
14、.1=8.6510=4.951000=2.40.8=0.1082=0.325100=0.1254=7.20.1=1.60.8=3.20.4=5.60.8=3.90.3240.5=0.842=7.20.8= 5.23=102.22=0.350.6=6.90.1=1.89=4.950.1=2.58=3.280.1=0.010.1=0.82.5=01.7=50.24=16.55=4.80.5=50.25=口算专项训练（口算专项训练（1010）4.127.50.190.5=8.20.8=0.90.2=300.1=4.80.5=1.258=7.80.5=6.80.4=8.15=0.80.5=0.90.3
15、0.13712.582.340.450.290.54.127.50.190.5=2.6310.062.50.4=0.20.4=3.991=0.50.2=2.010=0.21100=2.99=0.80.1=0.80.25=0.540=50.60.740.4502.634.1209.82.6310.062.50.4=1.2580.90.30.4250.224=40.3=10.08=2.45=3.40.4=1000.8=0.740=10.98=0.1258=100.050.0543.2507.50.13.50.013.921.2580.90.3103.52=口算专项训练（口算专项训练（1111）3
16、3.60.1=0.450.09=0.20.01=2.55=1.80.9=10.1=844.2=0.363=8.5 1.7=0.490.7=4.84242=0.0242=287=2.80.7=363=3.60.3=4812=4.81.2=4623=3.210=40.4=270.1=150.5=0.450.15=5.410=52.5=0.120.03=5.67=0.810.9=0.4842.42=244=2.87=280.7=3.63=360.3=4.812=0.480.12=4.623=9.30.3=0.450.5=7.20.9=12=00.25=28.6100=2.40.6=2.80.4=1.
17、20.3 =5460.480.40.242=2.44=0.287=280.07=0.363=0.360.03=0.4812=0.480.2=0.462.3=口算专项训练（口算专项训练（1212）4.62.3=306=30.6=82=0.80.2=4.55=25=102.5=04.3=0.480.24=0.250.5=3.51=2.90.1=10.2=7.20.9=5.43=6.30.3=6.40.8=0.250.05=540.6=0.460.23=36=300.6=0.82=800.2=1.310=6.622=0.910=0.251=180.9=5.11.7=70.1=10.5=9.93.3=
18、3.62=0.361.8=0.255=5.511=6.30.9=0.490.7=462.3=0.36=0.30.6=80.2=0.369=8.44=300.3=73.5=1.60.8=164=02.3=1.50.1=0.21=124=5.46=3.60.18=4.812=7.515=720.8=0.240.6=口算专项训练（口算专项训练（1313）0.30.5=1.83=1.26=6.37=1.50.5=1.30.13=2.10.3=0.281.410250.427=0.94.54.81.62.910=9.6166.441.20.4=0.50.57.820.1 4.55=2.50.51.60.
19、8=0.140.7=4.50.5=9.90.3=205=0.020.4=0.120.04=40.53.5210.420.6=5.10.178.40.41.50.03=30.57.20.93.60.61.250.251.470.480.24=2.555.60.07=05.32=3.40.01=104=6.60.1=5.030.01=2.80.77.51.51.50.30.480.80.8194.50.94.41.103.890.30.14.80.162.61.3151.50.3=2.50.5口算专项训练（口算专项训练（1414）3.60.1=0.450.09=844.2=0.363=4.8436
20、3=82=25=0.480.24=7.20.9=6.40.8=540.6=1.83=1.50.5=0.427=9.6167.820.1 2.50.52.90.1=10.2=3.210=40.4=52.5=0.120.03=0.4843.63=0.82=6.622=180.9=3.62=5.511=0.490.7=0.140.7=205=0.420.6=30.51.472.5510.5=9.93.3=9.30.3=0.450.5=2.40.6=2.80.4=0.480.40.363=80.2=300.3=164=5.46=7.515=0.240.6=05.32=6.60.1=0.480.803.89152.50.50.21=124=
