北师大版四年级数学下册小数乘法专项练习题144.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144.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144
三、计算。
0.41×47+0.090.96+68×0.60.95+0.7+5.05
5.3×5.6+5.3×4.412.5×7.3×0.02
0.53×0.05-0.39×0.02600-3.9-16.1
一、口算。
0.4×3=7×0.9=0.002×100=63.6÷100=
6.2×100=0.4×0.5=0.8×40=1.8×0.03=
二、列竖式计算。
4.4×0.27.1×0.973.8×9.90.26×96.3
9.8×0.022.8×0.16.1×0.210.1×87.2
三、计算。
19×1.7+0.97+0.14×83+2.5+37
7.3×9+7.3×12.5×14×0.2
6.6×0.9+1.5×0.53800-0.15-9.85
一、口算。
0.2×4=5×0.9=0.005×100=54÷100=
1.82×100=0.08×0.5=0.01×3=0.7×4=
二、列竖式计算。
7.2×0.36.7×0.170.42×0.830.43×6.65
5.5×0.022.4×5.88.8×0.730.58×1.36
三、计算。
4.1×6.7+0.098.2+0.89×0.60.22+2.5+7.78
4.8×49+4.8×511.25×94×0.08
0.76×0.07-0.49×0.057600-0.35-0.65
一、口算。
0.5×6=6×0.3=0.8×1000=0.554÷10=
4.17×100=3×0.07=0.005×0.7=0.8×900=
二、列竖式计算。
0.69×0.090.2×0.238.7×2.55×73.6
0.45×0.96.9×0.50.11×0.637.2×7.39
三、计算。
4.2×0.54+0.075.8+75×0.68.4+8+31.6
7.8×0.45+7.8×0.5525×90×2
5.9×0.5-4.5×0.22600-0.85-6.15
一、口算。
0.9×9=4×0.8=0.2×10=55.7÷10=
7.65×100=2×0.2=0.9×6=0.01×0.08=
二、列竖式计算。
5.3×0.58×8.70.31×3.60.74×30.4
2.2×0.087.3×3.60.64×50.72×3.45
三、计算。
0.72×0.56+0.060.5+0.89×0.55.4+8.4+64.6
7.4×8+7.4×212.5×0.35×0.02
0.68×0.05+0.29×0.054900-8.9-31.1
一、口算。
0.6×5=6×0.5=0.004×100=0.433÷10=
87.1×10=1×0.03=0.9×700=0.14×0.05=
二、列竖式计算。
3.4×0.50.38×0.225.3×3.90.63×3.19
0.62×0.090.24×5.90.18×4.30.95×30.7
三、计算。
32×58+1.20.19+23×0.49.7+9.2+10.3
9.7×0.38+9.7×0.620.25×0.22×0.4
0.56×0.07+0.31×0.046600-0.35-1.65
一、口算。
0.3×2=4×0.4=0.04×1000=0.414÷10=
0.6×10=1×0.6=0.03×0.3=2×0.6=
二、列竖式计算。
9.5×0.54.4×0.590.94×0.170.29×12.3
6.7×0.030.64×6.70.78×0.370.37×10.3
三、计算。
0.64×90+0.67.8+0.93×0.43.9+8+26.1
0.46×8.8+0.46×1.20.5×50×0.04
0.95×0.08+0.29×0.049800-0.29-0.71
一、口算。
0.5×8=6×0.7=0.05×10=0.694÷100=
0.902×1000=20×0.6=0.009×80=0.14×0.03=
二、列竖式计算。
0.39×0.076.5×6.63.5×0.50.51×3.64
0.91×0.92.7×0.820.42×0.370.45×6.12
三、计算。
30×62+1.23+4.8×30.79+0.29+1.21
0.52×3.3+0.52×6.7125×0.14×8
6.9×0.9+4.6×0.58300-1.7-88.3
一、口算。
0.6×2=2×0.2=0.009×10=59.6÷10=
14.4×100=60×0.4=0.001×20=0.4×80=
二、列竖式计算。
0.22×0.75.8×6.72.4×3.30.65×7.67
0.56×0.045.2×20.47×0.359×13.6
三、计算。
0.44×3.6+0.80.57+7×70.74+3.1+8.26
0.4×1.8+0.4×8.212.5×7.9×0.4
0.86×0.06+0.22×0.039100-0.59-6.41
一、口算。
0.9×4=6×0.9=0.08×10=7.49÷1000=
69.2×100=0.08×0.03=0.04×700=0.8×80=
二、列竖式计算。
0.33×0.047.9×9.45.2×5.36.9×1.2
0.19×0.080.71×5.64.8×10.24×6.38
三、计算。
5.8×0.78+0.90.11+0.75×0.96.5+1.3+83.5
8.2×6.2+8.2×3.81.25×59×2
0.54×0.09+0.21×0.05960-9.5-70.5
一、口算。
0.3×4=9×0.5=0.03×10=8.39÷1000=
8.16×1000=8×0.3=0.08×40=0.09×0.9=
二、列竖式计算。
2.2×0.45.4×9.90.7×9.76.6×5.6
0.62×0.20.76×2.50.94×1.30.61×3.5
三、计算。
61×35+1.24+0.84×92.2+5.6+17.8
0.24×0.49+0.24×0.510.05×9.5×0.8
7.9×0.7-1.7×0.4150-0.53-2.47
一、口算。
0.5×4=8×0.3=0.003×10=65.7÷1000=
0.083×10=3×0.7=0.007×6=1.5×600=
二、列竖式计算。
3.6×0.020.61×0.319.6×0.632.7×9.69
0.67×0.60.26×7.26.9×0.689.7×8.75
三、计算。
7.5×9.8+0.54.1+7.1×0.77.5+5.1+22.5
0.17×70+0.17×30125×5×0.8
0.7×0.06-0.23×0.02400-0.68-4.32
一、口算。
0.7×3=8×0.2=0.05×10=3.84÷100=
30.6×10=0.6×0.03=0.2×0.03=0.02×60=
二、列竖式计算。
4.1×0.40.3×2.40.61×1.42.6×75.5
5.1×0.030.61×3.42.5×5.22.3×24.7
三、计算。
6×6.1+0.063.3+51×0.47.3+0.3+2.7
0.42×0.63+0.42×0.370.5×0.45×0.04
6.8×0.8-1.3×0.4250-8.9-41.1
一、口算。
0.8×7=7×0.9=0.8×1000=1.18÷100=
0.803×100=7×0.2=0.3×0.09=2×90=
二、列竖式计算。
0.81×0.090.37×7.14.6×0.710.66×54.5
0.79×0.040.42×0.160.19×4.52.5×9.1
三、计算。
71×0.34+1.26.1+77×0.60.23+6.7+7.77
0.59×2.7+0.59×7.30.25×6.6×4
0.92×0.08-0.17×0.02180-0.31-0.69
一、口算。
0.8×5=7×0.6=0.5×1000=4.46÷1000=
0.253×10=0.2×0.07=0.05×3=0.6×70=
二、列竖式计算。
7.7×0.080.88×0.380.31×0.637.7×7.36
3.7×0.90.58×0.948×0.44.4×9.16
三、计算。
0.47×2.2+0.067.5+0.29×30.25+2+7.75
0.23×6.1+0.23×3.95×0.76×2
0.65×0.08-0.4×0.05690-0.56-0.44
一、口算。
0.5×9=5×0.4=0.02×100=1.85÷10=
8.08×10=0.2×0.07=0.03×3=0.1×0.08=
二、列竖式计算。
1.4×0.50.89×0.792.6×1.30.72×7.46
1.9×0.30.46×0.290.66×0.50.48×22.4
三、计算。
0.06×80+0.80.47+6.8×20.56+0.53+5.44
0.27×0.99+0.27×0.01125×0.38×0.8
5×0.7+3.9×0.52000-0.77-1.23
一、口算。
0.8×5=3×0.2=0.2×10=0.914÷100=
84.4×10=0.9×0.04=0.001×0.06=0.3×0.9=
二、列竖式计算。
0.63×0.033×4.40.45×3.72.3×2.82
0.33×0.090.39×6.46.9×0.290.72×1.48
三、计算。
0.62×24+0.069.9+11×0.30.87+0.68+4.13
1.1×3.6+1.1×6.4125×77×0.8
9.8×0.9+1.5×0.29500-9.9-20.1
一、口算。
0.7×4=2×0.9=0.07×10=0.419÷10=
0.322×1000=4×0.08=0.008×600=0.02×0.2=
二、列竖式计算。
0.55×0.97.9×0.455.4×1.96.6×8.4
0.54×0.091.1×9.17.8×3.80.48×57.8
三、计算。
0.93×1.2+1.20.14+0.72×79.5+0.21+60.5
0.3×0.35+0.3×0.650.25×0.86×0.02
0.93×0.07+0.18×0.034900-8.2-71.8
一、口算。
0.8×5=9×0.6=0.003×100=1.3÷100=
0.65×10=0.3×0.6=0.06×500=0.15×0.8=
二、列竖式计算。
5.4×0.030.36×0.661.3×0.451.7×64.6
4.3×0.40.29×2.40.88×0.168.5×82.6
三、计算。
9.5×0.81+0.50.46+0.62×30.29+0.83+1.71
4.5×5.8+4.5×4.20.5×7.7×8
0.77×0.05+0.17×0.05180-8.4-21.6
一、口算。
0.7×7=7×0.6=0.05×10=8.05÷100=
9.78×10=0.07×0.04=0.06×0.05=1.6×4=
二、列竖式计算。
8.1×0.30.43×0.110.89×2.10.18×81.4
7.6×0.020.49×3.90.49×0.451.3×37.3
三、计算。
83×0.5+1.10.64+3.9×59.5+0.43+50.5
0.19×5.8+0.19×4.22.5×6.7×0.04
5.1×0.5-3.9×0.4190-0.21-7.79
一、口算。
0.4×5=8×0.2=0.8×10=0.267÷1000=
9.61×100=80×0.07=0.5×0.03=0.5×90=
二、列竖式计算。
0.26×0.80.95×0.860.47×0.440.23×34.1
0.88×0.35.2×0.310.86×0.720.19×65.4
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