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1、-五年级上数学小数乘除法口算天天练-第 15 页口算专项训练（1）0.4 4 =2 4.4 =3.9 2 =2 2.8 =1.6 3=7.4 3=2.4 3=3.7 3=7.1 3 =2.2 4 =8 4.1 =6.3 4=1.9 4=2.3 4=7 2.6 =6.7 4 =1.9 8 =7.4 0 =4.3 1 =2.2 2 =2.5 9 =6.7 8 =2.3 8 =4.4 2 =5.4 6 =8.2 9 = 4.5 6 =3.4 8 =1.9 3 =2 4.3 =3 5.4 =3 6.6 =3 6.7 =0.3 8 =0.4 7 =3.4 4 =5 0.8 =1.5 6 =6 8.1 =
2、0.6 9=6.3 4=1.9 4 =2.3 3 =6 4.3 =8 4.3=3.9 2 =2 2.8 =1.6 3=7.4 3=2.4 3=3.7 3=7.1 3 =2.2 4 =8 4.1 =3 5.4 =3 6.6 =3 6.7 =0.3 8 =0.4 7 =口算专项训练（2）0.3 100 =0.46 10 =6.6 10=5.2 10 =2.4 10 =7.9 10=10 9.72 =2.3 1 10=10 3.3 1=10 0 6.8 =10 8.37 =1 0 4.6 =10 5.66 =0.1 10 =10 8.5 =68.2 10 =51.2 100 =4.2 100 =10
3、.3 10=1.3 10 =1000 5.4 =5.3 100 =1000 6.73=10 8.1 =100 7.4 =8.87 100=8.98 100=8.8 10 =1000 5.2 =100 2.05 =4.9 1000= 10 0.22 =1000 2.2 =10 2.3 =100 2.6 =100 2.8 =1.67 1000 =7.4 10 =2.4 1 00=100 3.19 =100 3.2 =2.2 100 =100 3.8 =9.9 1000 =100 4.1 =6.3 7 10 =100 4.1 =0.3 10=1000 0.3 5=10 4.38 =6.4 100 =
4、2.5 6 100=13.4 10=0.5 100 =0.5 10 =20.6 1 00=0.9 100 =100 10.8 =10 4.52 =1000 5.41 =小数乘整数(3)口算专项训练（3）2.4 1 00= 100 3.19 =0.3 10=1000 0.3 5=10 4.38 =6.4 100 =2.5 6 100=13.4 10=100 3.2 =2.2 100 =100 3.8 =9.9 1000 =9.5 100 =100 6.76 =5.5 10 =100 6.93 =9.2 100 =10.3 10=1.3 10 =1000 5.4 =5.3 100 =1000 6.
5、73=1.46 100 =27.4 100 =2.54 1000 =3.76 100 =7.17 1000 =2.25 1000 =100 4.15 =8.3 5 =100 8.35 =10 8.38 =7.8 10 0=10 8.64 =10 8.9 =7.4 100 =4.36 100 =1.25 8=0.25 4=3.2 5= 7.2 6=4 6.1 =8.4 2 =10 6.48 =5.1 3 100= 100 8.2 7=4.31 8=8.22 3 =1000 5.4 =5.3 100 =1000 6.73=10 8.1 =100 7.4 =8.87 100=2.8 30=8.3 2
6、 =7.5 2 0=7.9 2 =6.6 4 =4 5.5 =口算专项训练（4）3.76 100 =7.17 1000 =2.25 1000 =1.25 8=0.25 4=3.2 5= 7.2 6=1000 6.82 =100 8.3 =100 4.6 =0 5.6 =58.1 100 =14.1 4=7 2.1 =100 5.3 =44.2 100=100 8.05 =100 8.2 =4.3 6 10 =100 8.35 =4.9 1000= 10 0.22 =1000 2.2 = 10 2.3 =100 2.6 =100 2.8 =1.67 1000 =7.4 10 =2.4 1 00=
7、3.9 2 =2 2.8 =1.6 810=7.45 100=2.4 3=0.7 10=7.1 100 =2.2 4 =8 4.1 =3 5.4 =100 6.6 =3 6.7 =0.3 8 =0.4 7 =8.4 2 =9.5 100 =100 6.76 =5.5 10 =100 6.93 =9.2 100 =5.2 6 10 =2.5 100 =0 5.6 =58.1 100 =14.1 4=7 2.1 =100 5.3 =44.2 100=口算专项训练（5）7.2 4 100 =7.4 100 = 8.4 2 =9.5 100 =100 6.76 =5.5 10 =100 6.93 =9
8、.2 100 =5.2 10 =2.5 100 =8.8 7=7.5 3 =7.4 4 =1.3 4 8 =100 8.05 =100 8.2 =100 9.2 =6.6 10=5.2 100 =0.4 6 =0.92 3 =0.17 2 =2.3 100 =10 3.3 =3.2 5=5.1 5=4.1 5=4.3 4 2 =8.2 100 =10 8.38 =4.31 8=8.22 3 =10 8.38 =7.81 100 =2.33 4=6 4.2 2=8 4.3=4 4.4 1=2.5 100 =3.2 4=8 4.2=8.9 2 =3.2 10=8.8 3 100=10 4.72 =
9、8.8 10 =8.3 10=7.5 2 =9.22 100 =5.2 10 =2.5 100=100 7.2 =7.5 10 =7.4 100 =口算专项训练（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=0.50.28=0.80.9= 1.58=1.55= 3.60.2= 2.58=40.25=7.254= 1.940= 3.40.7= 3.65= 2.52= 0.510= 0.68= 2.12= 5.6100= 4.52= 3.080.01= 4.951000= 6.90.1= 0.
10、40.5= 2.810= 0.70.8= 0.420= 0.87 0.78 1.32810.323.50.20.90.350.6100.050.1370.740.054 12.580.4503.2502.342.637.50.10.450.24.123.50.0190.509.83.90.34.122.631.2587.50.110.060.90.3口算专项训练（7）90.5=2.50.4=0.4258.20.8=0.20.4=0.224=0.90.2=3.991=40.3=300.1=0.50.2=10.08=4.80.5=2.010=2.45=1.258=0.21100=3.40.4=7.
11、80.5=2.99=1000.8=6.80.4=0.80.1=0.740=8.15=0.80.25=10.98=0.80.5=0.540=0.1258=00.54= 40.25= 1.258 = 0.1258 0.812.5= 2.50.4 0.1810 0.10.02= 1.80.5= 322.5 00.54= 40.25= 1.258 = 0.12580.812.5= 2.50.4 0.18100.10.02= 1.40.5=322.5 2.45= 0.3610= 3.14100= 2.50.04=1.50.8= 3.6500= 6.520= 7.85= 0.0081000 0.1256=
12、 720.4= 1.50.5= 10.130= 口算专项训练（8）0.870.781.3281.5710.323.50.20.90.350.6100.050.1370.740.054 12.580.4503.2502.342.637.50.10.450.24.123.50.0190.509.83.924.122.631.2587.50.110.060.90.390.5=2.50.4=103.52=8.20.8=0.20.4=0.224=0.90.52=3.991=40.3=300.1=0.350.2=10.08=4.85=2.010=2.45=1.258=0.21100=3.40.4=7.80
13、.2=2.190.1=100.89=6.80.4=0.80.18=0.724=8.15=0.895=0.10.98=80.52=0.540=0.1258=70.08= 1.870= 0.245= 口算专项训练（9）0.020.5= 3.60.3=6.30.7= 5.6100= 0.750.6=0.1258= 4.80.3= 0.862=0.562= 0.364= 0.648=0.79= 3.64= 0.81.1= 7.20.8= 4.63=2.84= 5.23= 12.54=1.640.1= 102.22= 2.45=8.6510= 0.350.6=3.080.01= 4.951000= 6.
14、90.1= 0.40.5=2.40.8= 1.89= 9.60.8=0.1082= 4.950.1= 9.50.6=0.325100= 2.58=0. 560.7=0.1254= 3.280.1= 3.93=7.20.1= 0.010.1= 0.250.4= 1.60.8= 0.82.5= 1.250.8=3.20.4= 01.7=0.22100=5.60.8= 50.24= 4.50.5=3.90.3 16.55= 50.12=240.5= 4.80.5= 44.2=0.842= 50.25=口算专项训练（10）4.122.631.2587.50.110.060.90.390.5=2.50.
15、4=0.4258.20.8=0.20.4=0.224=0.90.2=3.991=40.3=300.1=0.50.2=10.08=4.80.5=2.010=2.45=1.258=0.21100=3.40.4=7.80.5=2.99=1000.8=6.80.4=0.80.1=0.740=8.15=0.80.25=10.98=0.80.5=0.540=0.1258=0.90.350.6100.050.1370.740.054 12.580.4503.2502.342.637.50.10.450.24.123.50.0190.509.83.924.122.631.2587.50.110.060.90.
16、390.5=2.50.4=103.52=口算专项训练（11）3.60.1= 3.210= 9.30.3= 0.450.09=40.4=0.450.5=0.20.01=270.1=7.20.9=2.55=150.5= 12=1.80.9=0.450.15=00.25= 10.1= 5.410= 28.6100=844.2= 52.5= 2.40.6=0.363=0.120.03= 2.80.4=8.5 1.7=5.67=1.20.3 =0.490.7= 0.810.9= 5464.840.4840.480.4242=2.42=0.242=0.0242=244=2.44=287=2.87=0.28
17、7=2.80.7=280.7=280.07=363=3.63=0.363=3.60.3=360.3=0.360.03=4812=4.812=0.4812=4.81.2=0.480.12=0.480.2=4623=4.623=0.462.3=口算专项训练（12）4.62.3=0.460.23=462.3=306=36=0.36=30.6=300.6=0.30.6=82=0.82=80.2=0.80.2=800.2=0.369=4.55=1.310=8.44=25=6.622=300.3=102.5=0.910=73.5=04.3=0.251=1.60.8=0.480.24=180.9=164=0
18、.250.5=5.11.7=02.3=3.51=70.1=1.50.1=2.90.1=10.5=0.21=10.2=9.93.3=124=7.20.9=3.62=5.46=5.43=0.361.8=3.60.18=6.30.3=0.255=4.812=6.40.8=5.511=7.515=0.250.05=6.30.9=720.8=540.6=0.490.7=0.240.6=口算专项训练（13）0.30.5=1.60.8=5.60.07=1.83=0.140.7=05.32=1.26=4.50.5=3.40.01=6.37=9.90.3=104=1.50.5=205=6.60.1=1.30.1
19、3=0.020.4=5.030.01=2.10.3=0.120.04=2.80.7 0.281.440.57.51.510253.5211.50.30.427= 0.420.6= 0.480.80.94.55.10.170.8194.81.68.40.4 4.50.92.910=1.50.03= 4.41.19.61630.5 03.89 6.447.20.90.30.11.20.4= 3.60.64.80.160.50.51.250.252.61.37.820.1 1.47 154.55= 0.480.24= 1.50.3= 2.50.52.55 2.50.5 口算专项训练（14）3.60.
20、1= 3.210= 9.30.3= 0.450.09=40.4=0.450.5=844.2= 52.5= 2.40.6=0.363=0.120.03= 2.80.4=4.840.4840.480.4363=3.63=0.363=82=0.82=80.2=25=6.622=300.3=0.480.24=180.9=164=7.20.9=3.62=5.46=6.40.8=5.511=7.515=540.6=0.490.7=0.240.6=1.83=0.140.7=05.32=1.50.5=205=6.60.1=0.427= 0.420.6= 0.480.89.61630.5 03.89 7.820.1 1.47 15 2.50.52.55 2.50.5 2.90.1=10.5=0.21=10.2=9.93.3=124=