北师大版四年级数学下册小数乘法综合练习题22.docx
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北师大版四年级数学下册小数乘法综合练习题22.docx
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北师大版四年级数学下册小数乘法综合练习题22
一、口算。
0.2×6=7×0.5=0.4×1000=0.937÷10=
6.7×10=6×0.7=0.001×5=0.2×200=
0.8×9=7×0.2=0.8×1000=0.71÷1000=
5.21×10=5×0.06=0.5×0.02=0.17×30=
二、列竖式计算。
1.4×0.060.12×0.182.6×0.60.35×8.52
0.74×0.030.59×6.80.48×2.92.7×9.19
3.9×0.063.4×0.430.42×20.6×65.9
0.49×0.020.9×4.19.4×0.3591×0.54
一、口算。
0.3×7=3×0.4=0.5×10=72.8÷1000=
4.86×10=0.4×0.03=0.03×0.9=0.05×700=
0.8×9=9×0.9=0.5×10=0.85÷10=
0.845×1000=0.02×0.8=0.3×60=0.1×0.09=
二、列竖式计算。
0.42×0.50.75×5.10.52×0.830.24×46.2
5.8×0.090.58×0.570.51×2.60.77×28.7
52×0.080.87×0.920.81×0.578.7×1.15
4.9×0.91.4×6.75.1×0.383.72×3
一、口算。
0.1×3=4×0.3=0.03×10=3÷10=
0.878×1000=3×0.8=0.002×30=0.16×9=
0.9×6=9×0.3=0.5×1000=0.926÷10=
61.3×1000=0.06×0.8=0.08×0.06=0.9×0.7=
二、列竖式计算。
0.75×0.70.51×6.80.19×0.852.1×21.3
0.73×0.097.5×7.80.66×0.330.61×42
3500×0.21.7×9.38.2×0.426.8×9
0.49×0.67.6×0.80.46×0.858.57×0.91
一、口算。
0.5×7=2×0.5=0.06×1000=69.9÷1000=
84.5×100=30×0.5=0.2×3=0.19×200=
0.2×2=3×0.5=0.003×1000=0.775÷100=
7.91×10=0.7×0.06=0.005×0.9=0.17×0.2=
二、列竖式计算。
0.19×0.027.4×6.51.4×0.820.57×14
0.68×0.042.9×0.935×0.876.1×1.6
3.6×0.80.46×3.90.21×1.63.3×5.29
0.52×0.24.8×7.58.6×0.3328.9×0.69
一、口算。
0.2×9=7×0.2=0.06×1000=0.279÷10=
0.59×100=0.06×0.06=0.009×3=1×6=
0.9×9=6×0.8=0.001×1000=0.162÷10=
0.307×100=2×0.04=0.04×700=0.16×0.04=
二、列竖式计算。
0.76×0.70.88×8.63×0.745.9×22.3
7.3×0.090.56×0.464×10.64×63.5
1.7×0.080.5×0.60.76×0.540.35×74
8.6×0.045.9×3.72×0.343.87×0.89
一、口算。
0.4×2=7×0.7=0.01×100=0.209÷1000=
5.98×10=10×0.7=0.008×3=0.04×0.6=
0.7×7=9×0.4=0.8×100=0.501÷1000=
0.293×1000=1×0.8=0.07×9=0.12×900=
二、列竖式计算。
0.81×0.26.2×0.84.6×0.830.95×9.69
0.51×0.025.4×0.985.4×0.510.73×3.97
670×0.080.3×0.140.74×7.10.65×63.3
9.1×0.30.84×0.356.3×6.347.3×0.42
一、口算。
0.2×4=6×0.2=0.08×1000=0.854÷10=
49.3×100=0.02×0.6=0.01×400=1.3×700=
0.1×5=2×0.9=0.006×1000=48.6÷1000=
15.2×10=70×0.4=0.09×200=1.4×0.5=
二、列竖式计算。
2.9×0.051.7×42.1×0.80.29×85.2
0.53×0.085.1×7.65.4×6.50.23×98.6
990×0.80.1×1.60.54×6.30.57×5.65
1.3×0.065.3×3.30.47×9.68.55×6.5
一、口算。
0.2×2=4×0.8=0.02×100=0.517÷100=
0.078×10=0.04×0.6=0.004×60=0.6×0.07=
0.4×2=3×0.4=0.4×10=0.8÷100=
80.2×1000=7×0.9=0.005×0.05=0.5×0.04=
二、列竖式计算。
0.19×0.022×0.570.27×6.90.92×2.66
4.2×0.080.45×4.27.1×0.723.8×37.9
58×0.50.44×6.19×2.10.97×2.31
1.8×0.058.5×1.32.9×0.2160.3×7.6
一、口算。
0.9×3=4×0.9=0.09×100=66.8÷1000=
0.019×100=0.2×0.8=0.3×70=0.14×0.07=
0.8×4=2×0.9=0.007×1000=0.764÷1000=
7.42×1000=0.2×0.06=0.07×0.05=1.5×2=
二、列竖式计算。
7.4×0.030.49×5.70.74×0.395.1×4.02
5.7×0.90.12×5.40.98×0.520.61×42.1
890×0.50.37×0.780.59×0.80.21×8.3
3.4×0.53.6×7.40.99×6.65.88×7.1
一、口算。
0.7×6=8×0.3=0.001×100=0.163÷100=
0.639×10=0.06×0.08=0.02×0.9=0.06×60=
0.7×7=4×0.7=0.09×100=0.921÷1000=
5.48×100=10×0.8=0.05×0.7=0.4×0.6=
二、列竖式计算。
3.5×0.040.31×0.874.2×2.10.97×9.82
7.2×0.031.5×0.579.1×0.30.48×6.37
0.57×0.067×0.820.34×0.141.2×80.8
0.49×0.23.1×0.230.67×0.1595.8×0.3
一、口算。
0.7×8=3×0.3=0.006×10=9.84÷100=
71×1000=0.3×0.06=0.005×50=1.4×600=
0.1×9=3×0.7=0.001×100=98.2÷10=
27.6×1000=9×0.5=0.005×90=0.8×3=
二、列竖式计算。
0.94×0.070.96×3.43.8×70.58×13.3
4.1×0.81.4×1.10.9×0.826.2×14.5
9.2×0.54.1×3.80.51×2.29.7×98.8
0.24×0.090.53×8.45×1.168.4×0.1
一、口算。
0.6×8=6×0.5=0.4×10=17.1÷100=
0.969×100=2×0.5=0.3×0.05=1.2×0.6=
0.1×5=6×0.6=0.1×10=0.737÷10=
0.932×10=40×0.02=0.01×60=1.1×0.08=
二、列竖式计算。
0.31×0.064.9×4.92.6×0.590.15×8.24
8.9×0.56.5×6.11.7×0.839.9×77.8
0.87×0.30.67×6.30.17×0.450.44×6.59
7.8×0.27.4×5.84.7×3.19.56×0.52
一、口算。
0.8×2=3×0.2=0.06×10=0.157÷100=
0.064×10=0.04×0.08=0.02×0.04=0.8×0.2=
0.5×5=9×0.5=0.02×100=59.9÷10=
0.57×1000=4×0.08=0.07×200=0.08×0.5=
二、列竖式计算。
0.74×0.30.64×0.390.56×2.58.6×11.3
9.2×0.80.2×7.29.1×8.37.3×7.74
0.36×0.26.9×1.10.31×0.910.92×8.04
0.86×0.050.79×7.28.6×3.34.88×9
一、口算。
0.7×2=4×0.4=0.002×100=6.28÷10=
0.58×1000=5×0.8=0.003×0.06=0.4×400=
0.1×7=8×0.6=0.03×100=1.91÷100=
2.69×10=2×0.08=0.5×8=0.07×6=
二、列竖式计算。
0.39×0.080.69×0.637.3×7.34.3×56.4
7.3×0.46.1×0.480.89×0.192.2×78.2
6.2×0.030.35×13.1×3.80.63×95.9
0.74×0.66.2×0.983.7×0.677.23×0.83
一、口算。
0.3×4=5×0.9=0.06×10=7.29÷10=
82.4×100=0.2×0.05=0.08×800=0.08×0.07=
0.3×8=5×0.8=0.08×10=9.65÷10=
6×10=7×0.9=0.7×40=0.8×0.2=
二、列竖式计算。
0.48×0.74.2×0.236.8×0.825.2×1.28
0.26×0.047×7.41.5×61.3×4.4
77×0.050.6×2.76.8×0.620.13×40.9
0.46×0.90.85×9.30.79×0.972.49×1.7
一、口算。
0.5×2=4×0.3=0.009×100=1.81÷10=
58.4×10=0.4×0.08=0.03×0.7=0.7×500=
0.8×2=3×0.5=0.005×1000=0.738÷1000=
4.88×100=3×0.2=0.1×0.04=0.08×0.03=
二、列竖式计算。
8.6×0.062.5×0.130.65×0.84.1×71.5
0.71×0.54.2×3.96.6×7.30.93×3.62
2900×0.70.15×0.750.8×0.260.39×56.8
0.29×0.80.42×0.937.9×7.442.3×4.6
一、口算。
0.9×6=5×0.9=0.008×10=9.15÷100=
21.6×1000=90×0.5=0.8×4=1.7×5=
0.5×8=8×0.4=0.002×100=0.408÷1000=
0.212×10=2×0.9=0.5×0.6=0.6×7=
二、列竖式计算。
0.43×0.97.3×8.10.16×4.50.2×42.2
6.9×0.030.67×0.860.98×0.719.4×2.52
92×0.70.42×0.50.68×0.152.5×9.81
9.3×0.075.3×0.120.15×9.994.9×0.72
一、口算。
0.5×8=9×0.3=0.8×10=4.15÷100=
0.991×10=0.08×0.3=0.7×0.2=0.13×0.05=
0.3×5=6×0.8=0.004×10=0.423÷10=
4.69×10=5×0.3=0.04×5=0.01×60=
二、列竖式计算。
9.6×0.099.1×0.143.1×0.327.9×5.12
3.9×0.094.8×30.19×0.180.47×7.26
7.9×0.070.55×3.47.6×5.40.37×67.4
0.32×0.062.5×4.51.9×9.659.9×0.23
一、口算。
0.2×2=3×0.3=0.007×100=0.279÷1000=
0.54×1000=40×0.4=0.7×8=1.8×4=
0.1×6=7×0.5=0.006×1000=0.522÷10=
3.34×100=0.07×0.02=0.004×0.06=0.19×0.06=
二、列竖式计算。
0.63×0.059.2×4.94×4.60.84×72.6
6.9×0.80.56×64×6.62.5×39
630×0.058.4×0.610.89×7.94.5×45.7
1.9×0.50.81×0.666.7×2.258.6×8.5
一、口算。
0.9×9=5×0.4=0.8×100=6.16÷10=
57.6×10=0.2×0.3=0.07×0.09=1.1×0.6=
0.5×6=3×0.2=0.1×1000=2.03÷1000=
0.524×100=0.3×0.05=0.08×80=0.08×4=
二、列竖式计算。
0.37×0.043.5×6.40.48×0.878.3×7.01
7.5×0.066.8×0.923×7.90.86×42.7
3.7×0.60.32×7.41.8×0.449.8×38.2
0.27×0.080.25×0.753.1×0.462.09×0.9
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