北师大版四年级数学下册小数乘法专项练习题123.docx
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北师大版四年级数学下册小数乘法专项练习题123.docx
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北师大版四年级数学下册小数乘法专项练习题123
9.2×0.30.82×7.20.3×8.50.74×8.5
三、计算。
0.95×2.3+0.080.4+2.8×0.96.2+0.54+53.8
7.3×0.5+7.3×0.512.5×0.42×0.02
5.6×0.9-4×0.4600-2-8
一、口算。
0.4×3=9×0.3=0.03×10=6.32÷100=
85.3×100=0.8×0.04=0.003×60=0.16×500=
二、列竖式计算。
0.92×0.45.9×0.10.96×0.614.2×6.7
0.36×0.090.11×2.78.2×9.92.7×6.99
三、计算。
5.9×33+1.20.93+5.3×50.39+0.93+5.61
0.78×5.9+0.78×4.12.5×0.42×0.02
5.4×0.9-4.5×0.2270-1.9-38.1
一、口算。
0.9×2=5×0.4=0.08×100=0.753÷10=
0.028×100=20×0.8=0.06×50=0.9×600=
二、列竖式计算。
2.3×0.57.2×0.440.28×8.71.2×9.07
9.4×0.052.7×0.251.1×1.29.7×55.7
三、计算。
0.13×6.9+0.70.91+34×86.3+0.14+23.7
0.86×1.7+0.86×8.32.5×2.3×0.02
6.1×0.6+4.3×0.5370-1.3-18.7
一、口算。
0.3×3=7×0.5=0.06×100=0.499÷10=
3×1000=0.2×0.06=0.009×700=1.9×700=
二、列竖式计算。
8.9×0.081.1×0.630.89×2.60.19×8
0.83×0.024.7×0.58.5×10.63×9.32
三、计算。
56×0.27+1.20.54+0.81×50.63+0.14+6.37
0.87×0.76+0.87×0.241.25×29×0.2
5.2×0.5-1.5×0.2850-0.93-5.07
一、口算。
0.5×7=2×0.3=0.02×100=7.55÷100=
33×10=0.9×0.3=0.4×0.09=1.3×3=
二、列竖式计算。
0.79×0.78.3×3.50.76×0.350.79×13.2
7.8×0.049.2×6.51.9×0.199.6×9.04
三、计算。
6.2×0.4+0.060.87+2.9×0.60.82+4.8+1.18
0.67×3.2+0.67×6.812.5×0.03×0.8
6.9×0.6-2.6×0.24300-0.63-3.37
一、口算。
0.3×8=2×0.4=0.02×1000=48.9÷100=
94.3×100=70×0.08=0.005×6=0.13×0.5=
二、列竖式计算。
0.73×0.040.6×9.15.4×0.261.3×65.3
0.59×0.020.14×0.666.3×0.740.14×5.46
三、计算。
0.94×0.31+0.70.93+17×0.20.73+6.8+3.27
6.3×0.64+6.3×0.361.25×0.55×8
0.89×0.05-0.28×0.027400-3.9-96.1
一、口算。
0.9×9=3×0.6=0.007×1000=6.82÷100=
0.022×100=40×0.8=0.07×0.02=0.18×4=
二、列竖式计算。
0.42×0.20.32×7.30.7×0.174.7×7.51
0.73×0.040.81×6.50.67×9.71.4×5.15
三、计算。
1.7×0.57+0.071.1+2×0.68.2+0.95+21.8
2.1×5.6+2.1×4.42.5×4.6×0.02
6.9×0.5+1.9×0.39200-9.4-70.6
一、口算。
0.9×9=7×0.8=0.007×1000=6.61÷100=
0.866×1000=30×0.08=0.01×700=0.5×70=
二、列竖式计算。
0.91×0.020.36×0.490.3×5.50.57×2.23
7.8×0.090.39×0.760.94×0.990.67×12.6
三、计算。
0.59×0.49+0.069.9+1.1×0.52+0.93+68
2.6×0.81+2.6×0.190.25×0.5×0.4
0.87×0.08+0.24×0.022500-0.74-8.26
一、口算。
0.4×2=8×0.6=0.07×100=4.27÷1000=
53.4×100=0.7×0.05=0.7×0.05=1.9×900=
二、列竖式计算。
7.8×0.055.1×9.20.7×0.343.8×6.81
0.17×0.20.62×0.55.4×9.15.1×26.7
三、计算。
12×0.05+0.054.5+47×0.68+7.1+62
4.4×0.22+4.4×0.780.5×7.8×0.8
6.9×0.9+2×0.33300-0.83-2.17
一、口算。
0.8×6=6×0.7=0.002×1000=0.144÷1000=
69.8×1000=0.6×0.6=0.005×5=0.7×7=
二、列竖式计算。
2.9×0.91.8×2.30.6×0.60.27×8.89
6.9×0.070.51×0.459.2×2.92.6×8.6
三、计算。
7×0.6+0.82.5+41×0.39.2+7.3+60.8
0.21×80+0.21×200.05×75×0.08
0.95×0.07+0.12×0.048900-4.9-95.1
一、口算。
0.8×6=3×0.4=0.004×100=0.147÷1000=
2.67×10=0.4×0.2=0.3×400=0.6×0.07=
二、列竖式计算。
2.1×0.37×4.15.9×0.445.8×29.8
0.21×0.99.8×0.580.2×0.740.33×3.69
三、计算。
7.5×23+0.70.72+0.8×0.40.94+7.9+4.06
0.8×67+0.8×332.5×37×0.02
7.4×0.6-2×0.3580-0.9-2.1
一、口算。
0.6×4=6×0.6=0.7×1000=54.1÷1000=
59.4×1000=0.08×0.4=0.3×200=0.5×0.5=
二、列竖式计算。
5.8×0.51.1×0.254.8×0.290.15×8.24
0.84×0.21.6×0.888×0.250.57×27.9
三、计算。
5.7×0.72+0.95.7+0.51×21.1+9.6+68.9
0.86×16+0.86×842.5×44×8
5.6×0.6+2.5×0.25700-5.1-84.9
一、口算。
0.1×9=7×0.3=0.06×100=71.6÷100=
0.59×10=0.05×0.05=0.004×500=0.03×0.4=
二、列竖式计算。
0.73×0.020.7×0.690.38×0.778.7×50.1
0.47×0.026.6×0.80.46×0.727.4×6.08
三、计算。
0.47×7.2+0.120.67+7.3×70.6+1.8+5.4
0.73×0.31+0.73×0.6925×0.1×0.04
6.6×0.8-2.3×0.3750-0.44-4.56
一、口算。
0.2×4=7×0.2=0.7×10=0.456÷1000=
0.844×1000=10×0.4=0.008×900=1.8×0.8=
二、列竖式计算。
0.49×0.30.69×0.778.1×0.830.38×3.5
3.2×0.40.54×0.330.4×1.82.3×1.14
三、计算。
4.7×1.2+0.50.11+44×52.4+0.17+47.6
8.7×0.8+8.7×0.20.05×0.3×4
7.9×0.5+3×0.3880-3-37
一、口算。
0.7×6=8×0.7=0.7×100=44.8÷1000=
3.4×1000=6×0.6=0.004×0.2=1×300=
二、列竖式计算。
2.8×0.80.3×8.31.8×0.880.52×64.8
5.8×0.84.8×0.222.4×0.811.8×4.51
三、计算。
39×1.2+0.62.3+0.24×0.85.5+1.7+94.5
0.84×28+0.84×7225×7.1×2
0.73×0.05+0.29×0.04430-0.35-0.65
一、口算。
0.4×3=5×0.2=0.003×10=0.019÷10=
14.3×1000=0.05×0.05=0.008×90=1.3×0.7=
二、列竖式计算。
0.68×0.040.79×6.30.95×0.360.92×76.2
0.37×0.90.78×0.351.2×4.80.45×69.3
三、计算。
0.54×0.3+0.060.52+0.73×0.60.21+0.15+1.79
2.6×44+2.6×560.05×7.4×2
6.2×0.5+4.8×0.52900-0.64-6.36
一、口算。
0.6×6=9×0.6=0.004×10=1.27÷10=
6.14×10=70×0.02=0.001×0.02=0.1×0.4=
二、列竖式计算。
0.29×0.80.66×0.10.66×0.440.52×5.15
0.77×0.34.5×0.529.1×0.545.4×48.3
三、计算。
89×26+0.66.1+6.7×0.26.7+0.9+13.3
6.2×0.17+6.2×0.83125×0.61×4
0.91×0.06-0.45×0.04170-0.52-2.48
一、口算。
0.2×9=7×0.3=0.004×10=0.79÷100=
0.976×100=0.8×0.6=0.5×3=0.15×40=
二、列竖式计算。
3.4×0.023.3×2.69×0.440.55×33.6
5.5×0.095.7×55.9×0.980.12×3.7
三、计算。
14×0.18+0.091.8+0.28×24.4+9.8+85.6
0.87×12+0.87×880.05×24×4
8.8×0.9-2.3×0.5190-0.92-5.08
一、口算。
0.9×4=8×0.7=0.03×10=73÷1000=
4×1000=0.1×0.03=0.03×0.2=0.18×60=
二、列竖式计算。
0.67×0.50.75×4.53.1×3.40.3×5.4
0.56×0.36.1×0.774.1×4.90.35×88.2
三、计算。
0.25×85+0.123.1+63×0.56.7+4.3+83.3
0.34×0.96+0.34×0.042.5×0.96×2
5.2×0.5+1.2×0.4860-0.28-9.72
一、口算。
0.5×8=3×0.2=0.007×10=5.8÷10=
0.057×1000=20×0.03=0.009×0.02=0.01×7=
二、列竖式计算。
0.56×0.58.4×0.430.46×0.550.7×2.98
0.98×0.84.4×0.520.54×9.51×9.17
三、计算。
0.37×54+0.056.9+97×50.32+0.75+8.68
0.9×0.72+0.9×0.280.5×0.87×4
0.7×0.09+0.22×0.03400-7.9-42.1
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