北师大版四年级数学下册小数乘法专项练习题14.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14.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14
4.8×1.4+4.8×8.612.5×6.9×8
6.6×0.6-1.8×0.59000-6.8-23.2
一、口算。
0.7×2=9×0.7=0.06×100=4.84÷1000=
3.88×100=5×0.5=0.03×0.9=0.06×60=
二、列竖式计算。
0.95×0.039.9×0.540.81×2.86×80.3
0.21×0.26.6×8.86.5×0.610.19×5.98
三、计算。
37×0.38+0.122.5+0.76×0.40.45+0.11+1.55
5.7×0.99+5.7×0.010.05×0.79×0.08
5.9×0.9+2.7×0.2920-0.21-3.79
一、口算。
0.6×7=8×0.4=0.01×1000=82÷1000=
2.56×10=40×0.8=0.003×0.06=0.09×6=
二、列竖式计算。
0.51×0.020.92×0.720.61×4.75.7×56.8
0.28×0.080.62×0.710.91×0.220.28×73.6
三、计算。
24×50+10.77+0.38×0.57.3+0.78+22.7
2.5×57+2.5×430.25×77×4
8.5×0.6+2.5×0.55100-9.4-60.6
一、口算。
0.9×3=8×0.3=0.008×100=0.343÷100=
0.976×100=0.2×0.03=0.01×2=0.03×700=
二、列竖式计算。
2.8×0.080.46×1.12.1×0.572×29
0.99×0.90.24×68.8×0.910.94×57.3
三、计算。
4.3×1+0.77.7+55×0.70.11+0.5+8.89
5.4×3.5+5.4×6.50.5×0.1×0.04
0.61×0.07-0.33×0.02790-8.1-1.9
一、口算。
0.6×5=3×0.5=0.05×10=10.3÷10=
0.052×1000=0.06×0.03=0.008×4=2×0.7=
二、列竖式计算。
0.89×0.020.87×2.60.37×0.145.6×29.4
0.31×0.70.92×0.968.4×0.470.62×5.98
三、计算。
0.23×9.8+0.114.9+62×40.86+0.59+7.14
6.7×1.8+6.7×8.225×4.3×4
5.3×0.5-4.4×0.4190-5.9-64.1
一、口算。
0.3×2=9×0.8=0.2×10=32.4÷10=
0.672×1000=20×0.7=0.5×800=0.2×300=
二、列竖式计算。
0.14×0.070.2×0.14.4×9.41.8×1.52
0.91×0.069.1×4.90.69×1.70.9×82
三、计算。
0.14×82+0.090.15+8.7×90.23+0.37+5.77
0.43×1.7+0.43×8.30.5×7.7×0.08
8.1×0.7+3.9×0.5370-0.54-4.46
一、口算。
0.8×7=2×0.7=0.003×100=1.81÷100=
35.6×10=10×0.6=0.006×0.09=1.6×200=
二、列竖式计算。
1.5×0.061×3.94.9×2.40.1×40.3
0.23×0.093.1×7.77.2×0.321.9×9.08
三、计算。
94×41+0.119.2+2.5×0.90.94+0.38+0.06
1.9×0.69+1.9×0.3125×0.6×0.2
0.72×0.08+0.34×0.03840-7.1-52.9
一、口算。
0.9×4=8×0.5=0.08×10=2.27÷100=
0.434×100=40×0.09=0.9×4=0.15×6=
二、列竖式计算。
4.6×0.95×7.60.43×0.940.41×8.3
0.23×0.040.47×0.790.69×2.30.2×46.1
三、计算。
13×0.86+0.095.5+0.7×0.60.82+3.1+7.18
6×0.79+6×0.2112.5×0.29×0.04
7.2×0.6+3.1×0.5140-0.99-0.01
一、口算。
0.4×5=4×0.4=0.05×10=83.4÷100=
54.6×10=30×0.8=0.001×0.5=1×700=
二、列竖式计算。
0.63×0.20.49×0.973.8×1.94.9×3.21
0.64×0.27.7×6.80.57×5.70.98×30.1
三、计算。
26×1.6+0.88.1+83×0.60.29+5.4+6.71
0.12×59+0.12×411.25×0.84×4
5×0.5+4.8×0.29100-9-91
一、口算。
0.5×8=6×0.9=0.006×10=36.7÷1000=
8.35×1000=0.04×0.8=0.008×0.06=0.06×2=
二、列竖式计算。
5.6×0.79.2×0.916.7×6.94.8×6.4
5.8×0.051×4.70.35×7.10.73×95.1
三、计算。
0.42×48+1.19.1+17×50.48+0.29+4.52
0.47×62+0.47×3812.5×65×8
0.96×0.09+0.36×0.05110-9.6-70.4
一、口算。
0.7×8=6×0.3=0.4×10=38.4÷100=
5.71×10=1×0.4=0.05×70=1.3×5=
二、列竖式计算。
1.1×0.060.79×57.2×0.570.24×64.7
4.1×0.022.6×0.688.5×0.870.79×6.05
三、计算。
0.7×0.23+0.14.8+0.68×44.3+4.3+55.7
0.45×5.9+0.45×4.125×37×4
0.86×0.09-0.12×0.02570-9-71
一、口算。
0.9×6=2×0.7=0.6×100=6.88÷1000=
76.4×10=4×0.6=0.009×50=0.18×0.08=
二、列竖式计算。
8.3×0.030.15×0.878.3×0.870.39×95.3
0.83×0.047.2×81.6×8.90.33×70.5
三、计算。
0.83×9.3+0.14.8+1×0.35.4+2.1+34.6
0.15×4.1+0.15×5.90.05×0.43×0.2
5.7×0.6-4.3×0.5280-0.22-8.78
一、口算。
0.9×9=3×0.2=0.5×1000=0.622÷1000=
0.954×1000=0.03×0.8=0.1×800=0.8×4=
二、列竖式计算。
0.28×0.070.85×6.62.1×2.10.11×38.5
0.47×0.043.2×0.830.79×0.690.78×4.1
三、计算。
5×87+1.22.2+0.18×95.1+0.22+84.9
0.68×9.3+0.68×0.7125×4×0.4
8.3×0.5+2.6×0.4150-3.1-86.9
一、口算。
0.3×8=3×0.2=0.06×10=0.603÷100=
0.669×10=0.08×0.08=0.5×70=0.13×700=
二、列竖式计算。
8.2×0.070.58×0.640.77×0.530.55×22.7
0.15×0.099.9×0.554.4×8.74.2×6.85
三、计算。
4×2.4+10.47+0.94×30.96+9.7+8.04
2.6×3.8+2.6×6.212.5×0.32×4
9.5×0.5+1.2×0.29300-8.5-41.5
一、口算。
0.4×5=2×0.6=0.07×100=31.3÷1000=
0.819×1000=70×0.09=0.03×80=2×600=
二、列竖式计算。
0.66×0.045.3×2.13.4×0.410.59×5.61
2.6×0.020.8×8.20.29×7.64.4×1.2
三、计算。
33×0.23+0.120.4+49×0.38.6+1.4+51.4
0.91×8.3+0.91×1.75×8.3×0.04
7.9×0.7+3.7×0.5780-0.67-0.33
一、口算。
0.9×6=8×0.2=0.8×1000=84.8÷100=
9.75×1000=0.5×0.5=0.08×70=0.14×50=
二、列竖式计算。
0.71×0.81.4×0.768×6.30.8×46.6
0.42×0.021.4×0.851.4×0.570.37×4.54
三、计算。
2×53+0.118.8+85×44.2+6.3+35.8
0.93×0.46+0.93×0.545×1.3×0.8
5.6×0.5-2.4×0.3160-1.2-48.8
一、口算。
0.9×6=8×0.2=0.007×100=24.6÷100=
97.8×10=0.02×0.2=0.002×900=1.7×70=
二、列竖式计算。
0.33×0.39.9×7.59.2×0.629.6×4.69
9.6×0.23.4×5.47.3×4.55.3×18.1
三、计算。
0.1×7.5+0.82.8+31×51.4+1.3+28.6
5.8×2.7+5.8×7.31.25×1.1×0.08
0.68×0.09+0.4×0.02310-2-58
一、口算。
0.2×4=9×0.5=0.002×10=5.36÷1000=
0.357×10=5×0.2=0.002×80=0.9×5=
二、列竖式计算。
0.11×0.084.6×1.50.79×0.30.72×4.74
0.99×0.80.32×4.40.59×4.89.1×9.07
三、计算。
7.9×0.96+18+0.41×0.70.95+6.3+3.05
0.26×4+0.26×6125×0.2×0.8
8.3×0.7+3.6×0.4350-0.19-4.81
一、口算。
0.4×6=3×0.5=0.004×1000=7.8÷10=
4.3×1000=0.01×0.2=0.005×0.07=0.7×3=
二、列竖式计算。
0.58×0.050.84×0.570.61×0.928.1×13.6
0.13×0.29.9×90.76×9.74.4×2.78
三、计算。
4.6×2.7+14.6+0.83×0.78.4+9+11.6
0.46×0.33+0.46×0.6725×9.3×4
0.96×0.08+0.41×0.04880-2.1-87.9
一、口算。
0.4×5=3×0.5=0.005×10=50.7÷10=
7.43×10=0.06×0.07=0.1×0.4=0.5×0.3=
二、列竖式计算。
3.4×0.070.59×0.240.67×4.22.3×29.7
2.8×0.070.87×4.64.4×1.50.94×82.5
三、计算。
2.3×0.43+0.063.2+8.3×60.67+0.13+0.33
0.58×41+0.58×590.25×2.8×4
0.8×0.07-0.21×0.056900-0.82-2.18
一、口算。
0.6×2=9×0.8=0.09×10=0.599÷10=
97.4×100=0.8×0.09=0.6×200=0.05×80=
二、列竖式计算。
1.4×0.90.42×0.460.34×9.47.2×14.3
7.2×0.040.73×4.22.2×60.8×2.04
三、计算。
4.8×0.65+0.060.77+7.2×0.40.98+0.8+2.02
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