北师大版四年级数学下册小数乘法专项练习题113.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113
二、列竖式计算。
0.62×0.060.5×0.359.2×40.58×9.36
6.4×0.030.21×0.360.17×8.49.3×9.03
三、计算。
4.1×0.33+0.53.8+66×74.2+6.3+75.8
9.7×9.5+9.7×0.5125×9.4×0.08
5.6×0.9-3.5×0.52900-5.7-44.3
一、口算。
0.3×7=5×0.3=0.07×10=76.9÷10=
0.421×10=20×0.08=0.002×0.9=2×0.09=
二、列竖式计算。
0.85×0.70.29×0.268.5×5.47.5×5.07
1.4×0.062.1×0.490.63×2.26.6×5.91
三、计算。
2.6×35+1.10.4+51×0.80.84+0.52+8.16
0.65×2.6+0.65×7.42.5×18×0.4
0.59×0.05-0.21×0.045300-0.21-5.79
一、口算。
0.2×9=8×0.5=0.5×10=0.95÷100=
8.92×100=0.07×0.6=0.9×0.4=1.5×30=
二、列竖式计算。
0.84×0.030.54×0.569.4×9.40.1×70.7
0.59×0.070.67×0.779.6×7.70.92×13.7
三、计算。
0.17×0.1+0.10.19+10×0.30.37+0.94+1.63
8.2×0.48+8.2×0.5212.5×0.13×0.04
7.2×0.8-3.1×0.4840-0.58-0.42
一、口算。
0.2×7=7×0.5=0.003×100=4.29÷10=
1.38×10=7×0.03=0.9×40=0.6×0.5=
二、列竖式计算。
7.6×0.042.8×0.510.97×0.20.66×75.7
0.26×0.048.7×0.35.7×0.410.96×94.4
三、计算。
2×3+0.10.63+4.7×0.40.61+0.16+8.39
0.6×8.5+0.6×1.50.05×0.21×0.08
6.8×0.7+1×0.42500-3.4-6.6
一、口算。
0.9×8=5×0.5=0.02×100=2.87÷10=
0.171×10=40×0.9=0.07×0.02=0.14×0.08=
二、列竖式计算。
3.2×0.043.3×0.760.18×0.910.7×73.8
0.24×0.50.54×6.50.99×0.924.2×98.9
三、计算。
3.9×46+0.062+72×0.53.9+7.5+36.1
5.2×5.1+5.2×4.9125×0.97×0.8
8.8×0.5-3.8×0.3330-0.31-5.69
一、口算。
0.6×7=8×0.9=0.08×1000=62.9÷10=
5.57×1000=20×0.2=0.009×0.7=0.15×500=
二、列竖式计算。
2.7×0.084.7×0.970.93×0.425.6×21.2
1.5×0.088.2×4.90.91×70.6×8.66
三、计算。
73×7.1+0.65.7+6.6×0.30.88+0.58+5.12
0.45×2.6+0.45×7.45×0.07×4
0.91×0.08+0.18×0.04580-3.6-46.4
一、口算。
0.4×2=4×0.2=0.004×100=5.63÷100=
0.519×10=8×0.05=0.07×800=0.18×0.02=
二、列竖式计算。
6.1×0.50.35×5.20.39×1.87×6.59
0.77×0.098×4.60.2×9.10.19×93.2
三、计算。
0.49×71+0.55.8+61×0.52.2+0.46+87.8
0.68×53+0.68×472.5×0.52×0.8
6.8×0.7+3.6×0.59600-6-34
一、口算。
0.6×9=2×0.9=0.04×100=0.193÷1000=
5.09×1000=8×0.6=0.09×0.5=1.8×900=
二、列竖式计算。
0.29×0.78.2×3.30.98×0.560.39×23.5
0.16×0.67×0.460.17×0.580.6×6.07
三、计算。
0.5×0.1+0.80.98+4.1×0.20.99+9.2+1.01
3.5×6.7+3.5×3.312.5×0.49×8
9.9×0.9-1.2×0.4830-0.34-0.66
一、口算。
0.5×7=2×0.4=0.8×100=0.817÷1000=
4.98×100=0.8×0.09=0.8×0.06=0.9×0.7=
二、列竖式计算。
0.79×0.85×0.991.2×0.870.77×3.78
0.27×0.40.53×69.5×0.560.2×95.1
三、计算。
0.36×0.9+1.16.7+55×0.85.7+0.33+94.3
4×0.46+4×0.540.25×0.56×0.04
0.55×0.06+0.32×0.02920-9.6-50.4
一、口算。
0.8×4=5×0.3=0.002×1000=1.9÷10=
0.98×1000=1×0.5=0.003×0.07=1.4×70=
二、列竖式计算。
0.37×0.038.3×2.92.5×0.214.1×48
0.11×0.90.91×0.656.4×0.540.81×8.9
三、计算。
0.41×0.56+1.20.78+0.69×79.5+6.1+10.5
0.92×6.3+0.92×3.71.25×0.06×0.8
5×0.8+1.1×0.3510-0.31-8.69
一、口算。
0.5×4=6×0.3=0.8×1000=0.234÷10=
7.81×1000=0.4×0.06=0.3×0.4=0.17×3=
二、列竖式计算。
7.2×0.50.27×9.37×1.99.5×8.09
9.4×0.090.8×8.49.2×7.62×40.6
三、计算。
0.14×9+0.078.8+19×0.23.9+0.24+36.1
3.3×0.12+3.3×0.880.25×56×0.8
6.7×0.8+2.6×0.45500-5.6-44.4
一、口算。
0.5×7=5×0.9=0.8×10=0.317÷10=
74×1000=0.04×0.5=0.009×400=0.17×0.03=
二、列竖式计算。
2.3×0.43.1×5.79.1×0.430.17×75
9.7×0.050.41×0.310.25×62.5×68.9
三、计算。
4.9×40+1.10.67+68×0.90.95+9.9+1.05
0.49×7.7+0.49×2.325×9.1×0.04
0.86×0.07+0.28×0.05850-0.88-9.12
一、口算。
0.6×9=6×0.9=0.07×100=75.2÷1000=
8.95×1000=50×0.2=0.04×3=0.1×0.8=
二、列竖式计算。
0.64×0.90.95×1.50.79×8.35.2×47.6
0.58×0.088.3×0.624.9×0.916×9.48
三、计算。
9.2×8.2+1.15.2+1.5×49.3+0.5