北师大版四年级数学下册小数乘法专项练习题7.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7
9.8×4.5+9.8×5.50.25×5.3×0.08
0.92×0.09-0.3×0.04300-0.81-2.19
一、口算。
0.4×2=2×0.2=0.004×10=0.46÷100=
0.551×1000=0.7×0.8=0.04×60=0.09×900=
二、列竖式计算。
0.12×0.032.9×0.436.8×0.319.4×7.31
0.59×0.80.56×0.950.37×5.30.94×9.31
三、计算。
84×3+0.88.7+4.2×0.70.19+0.5+3.81
5.7×17+5.7×830.05×3.6×0.04
0.63×0.05+0.37×0.03360-0.17-6.83
一、口算。
0.4×3=7×0.2=0.001×10=0.032÷100=
0.906×10=0.1×0.9=0.008×0.5=1.6×8=
二、列竖式计算。
3.6×0.069.6×0.50.43×5.30.5×8.25
6.7×0.90.63×9.70.83×7.13.5×1.45
三、计算。
42×20+0.90.59+0.68×93.2+5+96.8
0.77×0.25+0.77×0.750.5×7.5×0.8
6.9×0.9+1.2×0.3780-0.84-7.16
一、口算。
0.4×5=7×0.9=0.003×10=78.5÷100=
7.24×10=0.02×0.8=0.4×0.02=0.4×30=
二、列竖式计算。
0.69×0.060.74×0.870.91×0.340.99×14.1
3.2×0.90.24×3.90.4×60.3×86.8
三、计算。
3.5×17+0.89.4+89×0.46.2+3.2+33.8
0.71×2.3+0.71×7.7125×0.5×0.02
0.96×0.09-0.37×0.05670-9.7-0.3
一、口算。
0.1×6=7×0.4=0.9×1000=89.8÷10=
9.77×1000=6×0.5=0.009×0.03=0.13×0.03=
二、列竖式计算。
8.5×0.70.63×0.957.8×7.20.34×6.79
2.8×0.87.8×0.25.7×0.125.1×59.1
三、计算。
32×0.51+0.120.53+0.44×50.52+0.2+1.48
8×9.5+8×0.50.5×3.2×0.2
0.78×0.06+0.16×0.045000-0.25-4.75
一、口算。
0.3×6=2×0.2=0.9×10=7.63÷100=
0.984×10=0.2×0.09=0.004×300=0.11×0.8=
二、列竖式计算。
7.7×0.68.7×7.58.7×0.92.1×36.6
0.86×0.050.77×0.361×0.360.93×3.06
三、计算。
0.44×0.94+0.125.4+2.1×21.2+0.65+88.8
0.5×35+0.5×6525×9.2×0.2
8.6×0.9+4.3×0.3210-3.1-56.9
一、口算。
0.9×8=5×0.8=0.8×1000=2.63÷1000=
38.7×1000=6×0.3=0.05×50=1.9×40=
二、列竖式计算。
0.72×0.036.7×0.39.5×0.196.3×5.25
0.74×0.030.21×2.31.7×5.65.6×9.26
三、计算。
43×0.61+0.114.2+0.41×80.13+4.1+7.87
8.6×0.52+8.6×0.480.25×2.4×0.08
0.67×0.08+0.43×0.051300-3.3-16.7
一、口算。
0.7×5=9×0.9=0.09×100=0.043÷10=
0.975×10=4×0.04=0.006×20=1.9×200=
二、列竖式计算。
0.76×0.036×50.15×9.40.13×2.77
9.5×0.070.61×6.44.2×0.750.74×10.2
三、计算。
0.43×1.6+0.70.24+76×90.19+0.31+8.81
1.9×16+1.9×845×0.37×0.08
0.76×0.06+0.44×0.03110-0.34-3.66
一、口算。
0.3×7=5×0.4=0.004×100=6.8÷1000=
2.44×1000=0.02×0.07=0.05×4=0.13×30=
二、列竖式计算。
6.6×0.21.6×0.310.85×5.65.2×48.6
0.13×0.40.76×5.40.72×53.9×33
三、计算。
7.9×11+0.115.9+0.47×0.80.38+0.81+1.62
7.6×73+7.6×272.5×4.4×2
0.66×0.06+0.1×0.03590-0.64-6.36
一、口算。
0.9×8=2×0.7=0.06×100=9.75÷10=
3.11×10=2×0.7=0.09×0.08=1.7×0.9=
二、列竖式计算。
2.1×0.070.11×3.40.69×0.566.3×9.44
0.64×0.63.8×0.815.5×5.12.7×5.05
三、计算。
0.03×0.11+0.110.57+0.83×0.40.23+9.7+4.77
8.6×0.84+8.6×0.165×0.82×8
9.2×0.6-1.6×0.3380-0.52-8.48
一、口算。
0.3×4=8×0.8=0.006×10=0.829÷100=
0.548×100=0.5×0.02=0.07×80=0.14×0.09=
二、列竖式计算。
0.32×0.58.8×1.78.7×0.580.8×33.8
0.82×0.072.1×0.181.4×1.40.25×4.64
三、计算。
72×0.96+0.070.7+92×98.9+8.3+11.1
9.3×0.59+9.3×0.410.5×4.1×2
0.73×0.09+0.37×0.02210-2.7-27.3
一、口算。
0.7×2=9×0.3=0.02×10=2.17÷1000=
0.946×10=0.01×0.8=0.002×30=0.13×8=
二、列竖式计算。
9.9×0.60.37×0.381.1×0.480.29×75.4
8.5×0.059.6×0.962.4×7.76.5×66.3
三、计算。
1×0.8+0.069.3+45×80.98+0.34+7.02
0.61×0.96+0.61×0.041.25×77×0.2
0.9×0.05+0.11×0.056900-6.3-53.7
一、口算。
0.8×8=6×0.9=0.008×100=0.739÷100=
0.041×100=0.01×0.02=0.008×0.06=0.09×7=
二、列竖式计算。
0.35×0.66.1×2.90.58×9.40.22×6.04
0.11×0.90.79×1.49.4×1.20.55×46.7
三、计算。
23×0.45+0.54.3+5.6×0.29.8+0.84+0.2
1.5×0.2+1.5×0.80.5×0.76×0.8
0.55×0.06+0.24×0.048700-0.78-4.22
一、口算。
0.5×5=5×0.9=0.004×100=4.42÷1000=
0.314×10=0.07×0.6=0.4×500=0.13×0.8=
二、列竖式计算。
0.92×0.60.76×8.30.13×0.190.11×37.5
2.4×0.050.48×0.682.4×0.870.99×79.3
三、计算。
31×0.87+0.078.9+0.35×54.8+0.29+35.2
0.89×0.29+0.89×0.710.25×62×0.2
0.51×0.09-0.23×0.053400-0.37-7.63
一、口算。
0.8×7=7×0.7=0.002×10=0.917÷100=
0.447×100=70×0.2=0.8×900=1.1×30=
二、列竖式计算。
0.88×0.072.8×0.210.94×0.830.31×72.9
8.5×0.061×4.90.85×1.79.2×7.45
三、计算。
65×0.57+0.85.6+70×0.80.9+3.5+3.1
0.98×0.74+0.98×0.26125×30×0.8
5.2×0.9-2.3×0.41700-5.1-54.9
一、口算。
0.6×5=5×0.4=0.005×1000=0.282÷1000=
0.693×1000=20×0.6=0.07×90=0.7×400=
二、列竖式计算。
0.18×0.60.55×0.970.18×2.33.7×2.09
0.23×0.70.29×0.260.63×0.250.3×83.6
三、计算。
31×3.5+0.120.42+26×56.1+1.2+73.9
0.13×59+0.13×4112.5×90×0.2
0.63×0.09-0.33×0.047900-3.3-36.7
一、口算。
0.5×2=4×0.5=0.006×1000=0.68÷1000=
0.344×10=0.6×0.7=0.06×0.9=1.9×2=
二、列竖式计算。
0.91×0.35.5×9.10.65×9.60.3×6.89
0.72×0.086.9×7.60.29×1.60.38×88.9
三、计算。
0.97×0.95+0.60.2+0.66×90.81+4.2+3.19
0.64×70+0.64×300.05×25×0.8
8.6×0.6+2×0.4500-9-41
一、口算。
0.3×8=5×0.3=0.03×100=7.92÷10=
46.5×10=30×0.05=0.001×0.03=1.3×6=
二、列竖式计算。
2.9×0.85×9.24.4×0.370.82×7.78
0.54×0.085.4×0.50.29×0.170.43×5.12
三、计算。
89×0.49+0.70.64+60×0.60.81+0.36+5.19
6×0.7+6×0.325×6.4×0.08
0.62×0.08-0.3×0.028000-3.5-86.5
一、口算。
0.4×9=2×0.9=0.004×10=9.7÷100=
3.49×100=0.05×0.08=0.007×0.02=1.7×50=
二、列竖式计算。
0.23×0.072×8.24×0.880.2×22.8
0.64×0.49.7×0.355.6×0.520.56×65
三、计算。
0.41×49+0.10.84+11×60.66+0.38+9.34
4×92+4×85×15×0.2
6.9×0.8-4.1×0.37800-5.3-44.7
一、口算。
0.3×7=3×0.7=0.007×10=20.9÷1000=
65.6×10=0.08×0.02=0.002×400=0.04×8=
二、列竖式计算。
4.3×0.065.5×0.269.1×52.2×93.9
7.5×0.30.15×0.969.4×0.91×4.21
三、计算。
0.2×85+10.87+6.7×80.56+0.24+2.44
0.86×1.9+0.86×8.15×86×2
6.8×0.5-2×0.58400-2.7-67.3
一、口算。
0.3×2=9×0.8=0.1×100=9÷10=
3.11×100=0.04×0.6=0.7×20=1.1×200=
二、列竖式计算。
0.29×0.021.8×0.950.69×5.80.43×5.01
0.63×0.099.7×6.99.5×1.50.36×78.6
三、计算。
42×79+0.115.3+5×80.9+0.18+6.1