北师大版四年级数学下册小数乘法专项练习题166.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166.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166
5.1×0.9+2.3×0.5850-9-71
一、口算。
0.8×2=6×0.5=0.9×1000=89.7÷1000=
0.154×10=7×0.06=0.06×0.09=0.2×700=
二、列竖式计算。
0.44×0.038.7×27×40.66×97.9
0.91×0.080.28×0.584.5×9.70.32×5.9
三、计算。
41×44+0.080.17+72×0.53.4+0.4+76.6
8.2×7+8.2×30.5×0.82×8
5×0.8+4.9×0.2980-2.3-97.7
一、口算。
0.3×9=3×0.2=0.3×10=36.7÷100=
8.9×100=0.05×0.07=0.04×0.3=0.14×60=
二、列竖式计算。
7.5×0.60.97×0.656.6×7.15.6×42.5
1.9×0.030.11×9.10.85×9.70.71×79.8
三、计算。
9.8×7+0.085.4+2.9×93.8+2.1+76.2
7.7×0.54+7.7×0.460.05×94×0.2
0.69×0.09-0.49×0.03730-0.59-1.41
一、口算。
0.8×8=9×0.5=0.5×1000=80.7÷1000=
60.5×10=0.5×0.05=0.002×0.04=1.5×8=
二、列竖式计算。
0.19×0.62.2×2.80.38×4.98.2×3.84
0.95×0.70.53×50.79×8.30.49×8.04
三、计算。
7.8×9+0.73.4+8.6×56.8+0.17+13.2
0.53×16+0.53×8425×7.7×0.08
0.67×0.07+0.43×0.03430-0.8-7.2
一、口算。
0.3×8=6×0.9=0.9×10=0.862÷100=
0.177×1000=10×0.05=0.009×900=1.4×0.9=
二、列竖式计算。
2.4×0.090.38×0.710.76×0.360.55×1.24
0.37×0.088.8×9.80.88×0.152.3×4.48
三、计算。
12×22+0.090.12+10×0.81.9+6.7+58.1
9.4×9.1+9.4×0.912.5×0.33×0.08
8×0.8+3.3×0.2580-0.29-7.71
一、口算。
0.7×7=5×0.5=0.09×100=0.027÷10=
36.3×1000=4×0.2=0.009×0.6=0.4×0.9=
二、列竖式计算。
3.4×0.20.62×6.60.14×0.120.79×41
0.53×0.080.82×4.20.35×2.90.54×6.06
三、计算。
0.22×0.6+0.19.8+40×0.41.2+9.5+18.8
0.15×0.25+0.15×0.7525×0.62×4
5.8×0.8+2.7×0.4240-8.8-71.2
一、口算。
0.1×5=4×0.7=0.9×100=55.9÷10=
8.87×1000=0.1×0.04=0.02×8=0.12×9=
二、列竖式计算。
9.6×0.044.5×8.79.8×1.46.4×2.32
0.75×0.50.11×7.77.5×0.664.3×9.62
三、计算。
8.7×19+0.70.59+9.4×50.19+3.2+9.81
0.74×0.45+0.74×0.552.5×46×2
7.8×0.5+1.2×0.24400-9.6-20.4
一、口算。
0.5×8=5×0.7=0.8×1000=91.4÷1000=
34×10=5×0.3=0.09×500=0.6×700=
二、列竖式计算。
0.25×0.85.7×0.753.4×0.677.8×7.01
0.24×0.76.9×30.92×32×72.2
三、计算。
0.3×58+0.10.2+0.39×0.25.3+9.7+54.7
0.76×0.89+0.76×0.112.5×0.34×0.08
8.2×0.6-2.7×0.31100-0.26-0.74
一、口算。
0.6×9=6×0.6=0.09×10=2.27÷100=
20.9×10=40×0.05=0.007×70=1.9×80=
二、列竖式计算。
6.2×0.87.4×0.410.8×9.32.5×1.15
3.1×0.070.13×3.50.67×7.92×95.8
三、计算。
74×79+0.50.85+10×0.74.8+0.39+35.2
2.3×6.8+2.3×3.20.25×2×2
6.8×0.7+2.6×0.5820-3.8-86.2
一、口算。
0.9×9=4×0.3=0.001×100=0.507÷1000=
0.827×10=5×0.7=0.007×0.6=0.19×0.9=
二、列竖式计算。
5.5×0.80.3×41.9×3.77×53.3
0.34×0.60.51×0.635.3×0.920.64×93.5
三、计算。
69×8.6+0.68.1+6.1×0.90.71+0.11+2.29
0.47×24+0.47×7612.5×25×2
6.5×0.5+4.3×0.54600-7.3-72.7
一、口算。
0.6×2=6×0.2=0.09×10=0.01÷10=
0.202×10=0.04×0.08=0.06×7=0.13×200=
二、列竖式计算。
0.58×0.70.3×7.70.16×0.480.57×4.34
0.44×0.030.72×2.50.79×0.859.7×4.47
三、计算。
30×0.9+0.12.8+1.8×85+6.4+95
7.5×3.4+7.5×6.61.25×3×0.8
0.99×0.05+0.25×0.046900-0.87-1.13
一、口算。
0.9×8=3×0.5=0.1×100=2.44÷100=
2.81×1000=0.02×0.3=0.9×0.08=1.2×300=
二、列竖式计算。
3.6×0.20.43×0.830.51×0.240.93×9.48
0.97×0.060.67×1.75.6×0.370.54×88.1
三、计算。
8.3×1.5+0.090.9+0.7×60.18+0.4+7.82
0.58×8.5+0.58×1.5125×88×0.8
0.94×0.06-0.47×0.025100-0.76-7.24
一、口算。
0.9×9=7×0.8=0.5×10=3.77÷100=
0.622×100=60×0.2=0.03×0.06=1.4×7=
二、列竖式计算。
0.89×0.034.8×0.590.41×6.19.8×13
0.47×0.73.9×0.30.9×0.730.35×83.3
三、计算。
0.79×0.72+0.10.34+0.55×47+0.87+33
9.9×44+9.9×560.25×0.5×0.08
0.9×0.05-0.1×0.027500-0.7-8.3
一、口算。
0.6×6=3×0.7=0.05×10=3.86÷10=
6×100=0.07×0.6=0.09×40=0.13×80=
二、列竖式计算。
0.49×0.030.15×2.80.54×0.350.55×5.68
8.7×0.68.4×0.580.28×0.574.9×4.82
三、计算。
0.83×92+0.050.44+0.17×0.30.25+0.14+1.75
0.68×2.5+0.68×7.50.5×98×2
7.8×0.8-3.2×0.49400-2.2-37.8
一、口算。
0.3×4=5×0.3=0.9×10=71.8÷10=
85×1000=0.04×0.8=0.09×300=0.6×0.8=
二、列竖式计算。
0.19×0.47.5×5.10.67×5.51.4×7.59
1.6×0.034.1×0.260.42×5.80.88×8.83
三、计算。
6.1×3.9+0.090.83+7.9×0.51.1+0.17+8.9
0.34×6.2+0.34×3.825×0.24×0.02
8.4×0.9-4×0.33000-3.7-96.3
一、口算。
0.2×5=9×0.3=0.004×100=2.96÷1000=
6.44×10=0.08×0.03=0.9×30=1.9×4=
二、列竖式计算。
0.95×0.020.66×5.31.2×0.450.93×2.96
0.15×0.070.99×5.70.49×0.940.91×16.6
三、计算。
0.34×3.7+0.10.48+15×0.48+0.33+12
0.89×76+0.89×245×91×2
0.65×0.09+0.12×0.03460-5.5-34.5
一、口算。
0.8×2=3×0.7=0.9×10=3.68÷100=
21.3×100=0.3×0.08=0.2×300=1.6×0.7=
二、列竖式计算。
3.3×0.040.42×4.20.31×7.94.7×50.1
0.61×0.080.2×0.190.53×0.371.9×12.1
三、计算。
0.41×3+0.123.9+0.94×0.40.54+6.9+0.46
9×0.4+9×0.612.5×5.7×8
0.64×0.06+0.25×0.024100-2.3-57.7
一、口算。
0.1×4=6×0.2=0.09×10=7.01÷1000=
6.64×1000=6×0.04=0.007×70=0.14×300=
二、列竖式计算。
4.4×0.040.48×8.62.3×0.743×8.79
8.4×0.64.8×2.20.29×0.120.87×89.2
三、计算。
0.92×7.3+0.118.2+0.71×82.3+2.5+17.7
8.8×88+8.8×1212.5×1.5×0.8
8.5×0.5-1.3×0.3620-0.13-3.87
一、口算。
0.7×2=4×0.8=0.07×1000=67.7÷1000=
27.6×10=0.2×0.09=0.2×0.6=1.3×700=
二、列竖式计算。
5.6×0.041×1.40.18×0.224.9×8.01
2.1×0.020.75×5.88.7×8.80.66×3.76
三、计算。
82×8+0.120.25+0.11×0.70.56+0.83+6.44
0.85×2.5+0.85×7.525×33×8
0.57×0.09-0.29×0.05450-0.76-2.24
一、口算。
0.3×4=7×0.7=0.01×1000=75.8÷100=
2.97×1000=0.02×0.2=0.01×0.9=1.7×0.8=
二、列竖式计算。
0.61×0.086.7×0.249.3×0.434.3×50.4
0.74×0.070.51×0.996.9×0.826.1×87
三、计算。
18×2+0.50.34+46×0.69.5+1.5+20.5
0.93×79+0.93×210.05×41×0.8
0.52×0.06+0.25×0.02720-7-93
一、口算。
0.5×8=2×0.5=0.07×100=0.122÷100=
9.9×1000=70×0.02=0.1×0.07=0.03×20=
二、列竖式计算。
8.6×0.075.3×0.424×2.28.2×3.28
0.74×0.062.5×6.57×0.70.34×65.7
三、计算。
49×26+0.90.48+0.19×60.48+0.6+1.52
8.5×6.2+8.5×3.82.5×1×0.2
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