北师大版四年级数学下册小数乘法专项练习题93.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93
三、计算。
6.1×3.3+0.050.56+0.36×0.57+2+83
0.14×2.9+0.14×7.10.5×3.6×0.08
6.5×0.8+4.4×0.4710-0.77-8.23
一、口算。
0.5×8=4×0.7=0.07×100=6.03÷10=
0.543×100=5×0.05=0.09×300=0.12×5=
二、列竖式计算。
1.2×0.081.2×7.66.4×0.440.79×5.49
9.4×0.022.3×6.39.9×0.940.35×50.5
三、计算。
0.51×43+0.83.8+6.9×80.95+0.37+7.05
0.32×9.9+0.32×0.125×3.2×4
0.85×0.07+0.42×0.05580-0.49-9.51
一、口算。
0.2×5=4×0.8=0.01×100=0.504÷10=
6.65×10=10×0.05=0.02×5=1.9×80=
二、列竖式计算。
6.1×0.26.6×0.229×2.17.6×79.7
0.54×0.50.78×3.43.8×5.92.9×17.8
三、计算。
4.6×0.96+0.096+9.3×68.4+0.19+41.6
0.4×9.6+0.4×0.40.05×6.3×0.2
8.3×0.6-2.7×0.25500-0.29-9.71
一、口算。
0.6×2=2×0.8=0.9×1000=3.21÷100=
0.87×1000=7×0.07=0.008×400=1.2×6=
二、列竖式计算。
1.5×0.071.1×70.82×0.870.89×8.06
0.19×0.040.38×7.90.66×6.80.98×33
三、计算。
6.8×0.43+0.66.3+33×30.99+8.8+9.01
0.66×0.24+0.66×0.765×0.01×0.2
0.55×0.08+0.43×0.026200-3.8-16.2
一、口算。
0.9×7=4×0.9=0.003×100=9.04÷100=
19.5×100=0.08×0.5=0.02×0.2=0.08×70=
二、列竖式计算。
0.98×0.026.8×0.113.6×0.650.6×4.84
8.2×0.063.4×0.755.6×7.10.34×72.7
三、计算。
91×57+0.53.1+73×75.1+3.3+44.9
0.6×40+0.6×601.25×5.4×0.02
0.92×0.06+0.47×0.028700-0.2-8.8
一、口算。
0.9×8=8×0.7=0.007×10=69.8÷100=
70.1×100=0.02×0.08=0.004×0.06=0.08×900=
二、列竖式计算。
4.1×0.60.53×8.97.2×0.620.94×47.6
2.2×0.037.1×3.64.9×9.81.9×43.3
三、计算。
0.15×8.1+0.082.7+0.39×0.90.9+4.9+4.1
0.93×4.7+0.93×5.35×0.04×0.08
0.75×0.06+0.2×0.05620-2.6-47.4
一、口算。
0.4×9=6×0.8=0.005×1000=0.988÷10=
59.7×10=0.8×0.5=0.4×0.09=0.02×5=
二、列竖式计算。
0.75×0.039.4×1.80.96×15×91.9
8.4×0.90.9×6.58.6×5.38.9×7.23
三、计算。
4.5×19+19+0.12×60.49+3.5+6.51
6.9×63+6.9×3725×77×0.4
0.59×0.09-0.33×0.03220-0.47-0.53
一、口算。
0.5×6=5×0.6=0.5×10=61.6÷100=
16.3×100=2×0.07=0.07×9=0.4×40=
二、列竖式计算。
0.45×0.040.87×0.570.57×5.70.79×94.4
0.81×0.088.5×0.116.5×20.89×1.04
三、计算。
7.4×0.39+0.050.66+38×70.3+0.84+7.7
0.64×0.74+0.64×0.260.25×65×8
6.4×0.5-4.1×0.3640-0.21-1.79
一、口算。
0.9×6=8×0.5=0.003×10=0.229÷100=
0.534×1000=60×0.05=0.8×600=1.6×80=
二、列竖式计算。
8.2×0.035.7×0.754.1×0.845.2×5.57
0.67×0.037.8×6.90.9×0.877.1×7.57
三、计算。
20×35+0.090.66+6.4×31.9+1.6+88.1
0.46×49+0.46×5112.5×0.6×0.02
0.62×0.08-0.3×0.048300-5-75
一、口算。
0.4×6=9×0.8=0.04×1000=0.068÷10=
78.6×1000=30×0.07=0.03×9=2×0.8=
二、列竖式计算。
0.84×0.70.63×0.460.58×0.130.95×95.1
0.59×0.30.75×0.920.17×0.538.9×18
三、计算。
73×9+0.11.6+0.11×0.80.58+5+9.42
7.3×37+7.3×63125×0.16×2
5.7×0.9-2.9×0.5220-0.83-2.17
一、口算。
0.1×3=8×0.5=0.002×100=5.6÷10=
0.048×10=50×0.05=0.01×0.9=0.02×20=
二、列竖式计算。
0.26×0.56.1×7.65.7×1.10.67×8.88
9.1×0.30.6×0.10.43×0.390.73×3.57
三、计算。
0.47×8.2+0.123.4+89×0.46+0.6+4
0.12×43+0.12×570.25×0.05×0.08
5.5×0.6+3.8×0.35300-0.67-7.33
一、口算。
0.6×9=9×0.7=0.5×1000=57.4÷1000=
3.74×10=80×0.04=0.5×90=1×600=
二、列竖式计算。
7.6×0.45.9×8.33.5×8.45.6×25.2
0.28×0.87.8×2.25.6×0.960.6×4.11
三、计算。
2.3×0.81+19.2+0.97×0.30.22+0.45+0.78
0.66×0.34+0.66×0.661.25×2.3×0.8
0.94×0.08+0.29×0.057300-6.1-13.9
一、口算。
0.1×9=5×0.3=0.07×10=0.196÷100=
2×10=5×0.5=0.008×8=0.08×0.05=
二、列竖式计算。
0.26×0.066×3.71.6×0.120.21×83
0.34×0.020.98×3.70.61×1.54.3×2.11
三、计算。
20×88+0.75.8+6.7×46.6+8.2+23.4
0.16×0.63+0.16×0.3725×5.3×0.4
6.2×0.7+2.3×0.4150-0.87-3.13
一、口算。
0.2×3=9×0.6=0.09×100=5.02÷10=
0.291×100=90×0.8=0.02×20=0.07×0.4=
二、列竖式计算。
0.56×0.40.98×7.44.3×0.360.64×10.1
9.4×0.030.71×3.75.1×5.81×34.4
三、计算。
9.9×0.7+0.15.3+0.72×71.3+7.7+38.7
7.5×6.2+7.5×3.825×0.6×0.8
9.4×0.6+3×0.29300-0.59-5.41
一、口算。
0.6×8=4×0.6=0.08×100=6.22÷10=
0.166×1000=0.02×0.03=0.2×700=0.5×60=
二、列竖式计算。
7.2×0.40.99×5.89.7×0.550.44×26.6
0.57×0.035.2×0.147.9×0.572.3×2.4
三、计算。
39×1.8+0.050.98+8.4×0.60.46+0.92+5.54
6.7×17+6.7×832.5×0.94×0.04
0.9×0.09-0.44×0.02710-0.76-7.24
一、口算。
0.2×7=8×0.5=0.009×100=78.6÷1000=
39.6×1000=70×0.9=0.002×500=0.1×200=
二、列竖式计算。
0.24×0.062×0.950.88×0.850.35×66.6
0.46×0.70.65×0.734.1×3.20.58×9.38
三、计算。
4.7×0.48+0.070.36+22×59+0.48+61
1.6×7.6+1.6×2.45×49×4
6.2×0.6-3.2×0.5470-9.5-0.5
一、口算。
0.5×5=3×0.6=0.009×1000=74.3÷1000=
0.065×100=30×0.07=0.07×0.3=2×0.3=
二、列竖式计算。
4.6×0.098.7×2.19.8×0.240.35×3.14
0.15×0.090.81×2.60.94×0.40.77×5.39
三、计算。
6.5×0.12+0.80.49+0.12×60.91+0.71+8.09
0.58×38+0.58×620.05×33×2
5.4×0.9+1×0.41400-0.96-1.04
一、口算。
0.7×8=8×0.6=0.08×1000=0.526÷1000=
74.8×100=70×0.2=0.09×5=1.5×0.6=
二、列竖式计算。
7.7×0.052×4.77.9×4.20.33×4.38
0.39×0.049.6×0.735.1×0.49.8×2.91
三、计算。
0.74×0.68+0.68+4.7×0.90.13+0.72+0.87
0.73×22+0.73×782.5×0.67×4
0.74×0.08+0.22×0.02970-4.6-55.4
一、口算。
0.6×6=6×0.9=0.008×10=89.5÷100=
91×100=4×0.09=0.006×5=0.5×300=
二、列竖式计算。
4.5×0.25.5×4.44.2×7.81.8×1.15
4.8×0.050.94×0.197.6×5.50.53×64.7
三、计算。
98×0.76+0.76.5+2×20.93+0.82+0.07
7.6×0.98+7.6×0.025×0.82×0.04
0.8×0.08+0.18×0.02220-0.46-4.54
一、口算。
0.1×2=4×0.6=0.1×100=74.2÷100=
80.9×100=0.9×0.03=0.02×600=0.7×0.05=
二、列竖式计算。
9.1×0.024.7×1.58.7×0.931.4×23.5
0.64×0.063.8×0.140.54×7.92.2×97.1
三、计算。
37×37+0.070.77+0.29×0.40.93+5.9+7.07
1.7×3.4+1.7×6.60.5×88×0.02
0.54×0.06-0.21×0.04940-5.1-34.9
一、口算。
0.3×4=4×0.4=0.01×100=9.13÷10=
0.024×10=0.2×0.9=0.002×200=0.05×40=
二、列竖式计算。
7.9×0.042.8×0.920.3×0.126.1×4.81