北师大版四年级数学下册小数乘法综合练习题66.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66.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66
一、口算。
0.5×9=5×0.6=0.02×1000=82÷100=
0.742×10=0.05×0.5=0.009×60=0.01×30=
0.2×4=6×0.4=0.004×10=36.7÷100=
4.15×1000=0.04×0.8=0.01×0.06=0.06×70=
二、列竖式计算。
8.5×0.78.7×2.60.33×0.963.3×92.8
0.95×0.057.1×0.787.7×2.12×81.3
0.59×0.080.2×7.60.89×6.55.3×8.44
0.27×0.071.2×25×5.829.4×0.13
一、口算。
0.7×4=5×0.5=0.003×10=47÷1000=
4.92×100=60×0.05=0.01×60=0.05×700=
0.5×8=8×0.2=0.07×100=0.099÷1000=
5.14×10=0.1×0.09=0.07×0.3=0.14×40=
二、列竖式计算。
5.5×0.050.35×8.77.4×0.27.9×77.7
4.7×0.026.1×0.110.35×0.835.5×66.8
510×0.70.68×7.77×7.80.53×48
0.35×0.48.7×0.617.9×0.592.72×0.44
一、口算。
0.6×8=2×0.2=0.005×1000=5.99÷1000=
54.6×1000=0.6×0.7=0.3×0.04=1.9×700=
0.9×2=2×0.9=0.1×1000=26.8÷1000=
19.7×100=0.02×0.9=0.02×20=0.6×0.8=
二、列竖式计算。
7.7×0.036×0.319.4×4.62×79.3
4.4×0.30.53×2.42.4×0.195.2×2.01
6700×0.098.6×0.366.8×0.243.8×56.8
0.78×0.50.27×7.30.41×3.810.3×0.54
一、口算。
0.1×4=2×0.8=0.008×1000=2.99÷100=
74.4×100=40×0.8=0.006×0.07=0.12×0.8=
0.8×4=6×0.8=0.006×100=5.95÷1000=
7.45×10=50×0.2=0.04×200=2×200=
二、列竖式计算。
2.8×0.86.3×1.50.13×7.84.2×9.35
6.9×0.098.6×6.22.1×0.881.3×3.45
310×0.66.6×3.80.73×5.40.51×73.6
0.15×0.080.67×6.97.1×7.51.56×3.8
一、口算。
0.7×2=4×0.7=0.3×10=79.3÷100=
0.789×1000=5×0.3=0.003×50=0.14×0.03=
0.1×9=8×0.3=0.008×1000=7.78÷100=
6.76×10=9×0.6=0.04×0.7=0.18×60=
二、列竖式计算。
8.5×0.021.3×0.650.68×0.310.87×7.53
2.3×0.46.3×0.560.64×0.267.3×51.1
38×0.20.1×0.620.1×9.99.4×98.9
0.66×0.20.34×4.69.8×0.744.22×0.13
一、口算。
0.2×9=8×0.3=0.002×10=62.6÷10=
55.1×100=0.4×0.03=0.3×0.8=1.9×900=
0.4×6=3×0.6=0.01×10=67.4÷10=
3.95×100=0.07×0.09=0.002×0.04=2×0.6=
二、列竖式计算。
3.4×0.36.3×2.60.34×0.875.4×7.03
4.2×0.050.83×4.21.5×0.180.85×62.5
0.65×0.37.1×4.68.9×0.129.7×82.4
8.5×0.30.27×0.820.39×0.5616.7×0.76
一、口算。
0.3×9=8×0.3=0.03×100=8.22÷10=
0.129×100=7×0.2=0.003×700=0.2×9=
0.6×9=8×0.4=0.8×10=97.6÷100=
0.811×10=0.6×0.4=0.009×40=1.4×0.4=
二、列竖式计算。
9.2×0.041.2×7.95.5×0.690.3×9.76
0.49×0.020.16×0.130.61×0.241.8×23
8.5×0.084.5×8.30.14×8.70.52×12.4
0.83×0.30.76×3.56.4×9.46.87×0.31
一、口算。
0.2×7=3×0.9=0.02×100=4.03÷10=
69.3×100=6×0.8=0.02×70=1.4×600=
0.7×6=9×0.4=0.02×1000=4.79÷100=
12.5×100=0.05×0.02=0.003×0.04=0.03×0.08=
二、列竖式计算。
5.3×0.050.68×0.191.5×0.790.12×64.9
4.5×0.88.9×9.60.44×0.952×8.43
81×0.020.97×0.489.9×0.145.7×40.6
0.66×0.91×4.90.8×9.55.34×7.3
一、口算。
0.3×9=4×0.5=0.04×100=0.787÷1000=
66.4×1000=3×0.03=0.1×50=0.6×0.08=
0.5×5=7×0.2=0.001×100=8.54÷10=
43×100=6×0.9=0.006×0.4=0.4×900=
二、列竖式计算。
4.1×0.026.1×6.80.19×5.10.75×2.48
1.1×0.090.97×8.30.5×5.10.79×88.6
130×0.30.77×1.77.5×0.30.74×7.52
9.3×0.30.33×2.27.1×0.383.8×0.18
一、口算。
0.5×2=4×0.8=0.005×100=63.5÷100=
0.055×1000=4×0.3=0.004×0.3=0.05×0.08=
0.5×4=7×0.2=0.009×100=85.5÷10=
0.537×100=20×0.08=0.03×0.3=0.1×7=
二、列竖式计算。
0.62×0.080.67×9.19.5×0.150.56×5.12
0.49×0.42×0.277.6×0.942.2×5.98
980×0.090.21×8.20.95×2.88.9×10.5
6.3×0.050.3×5.60.78×2.835.7×6.1
一、口算。
0.1×3=6×0.7=0.09×100=6.99÷100=
0.11×100=0.01×0.8=0.007×800=0.06×80=
0.1×3=7×0.5=0.03×10=4÷1000=
5.6×1000=0.03×0.09=0.006×0.05=0.6×700=
二、列竖式计算。
7.2×0.34.7×0.945.3×2.40.37×8.07
0.14×0.90.81×0.630.21×4.55.2×9.11
4.5×0.40.78×0.943.4×3.55.4×2.54
0.79×0.070.87×0.392.7×3.730.7×0.18
一、口算。
0.7×4=7×0.2=0.04×1000=0.74÷10=
0.673×1000=0.01×0.7=0.05×30=0.09×30=
0.7×2=8×0.3=0.8×10=9.31÷10=
0.582×10=70×0.2=0.8×90=0.3×0.06=
二、列竖式计算。
0.89×0.96.7×0.235.6×6.70.58×9.38
0.88×0.091.1×0.380.18×0.476.1×79
1300×0.080.37×0.514.1×8.70.11×39.5
0.64×0.20.5×7.73.7×9.225.3×2.1
一、口算。
0.8×2=2×0.5=0.01×10=0.869÷10=
0.156×1000=0.03×0.8=0.006×50=1.4×0.9=
0.4×5=5×0.4=0.6×1000=73.6÷1000=
2.92×10=0.04×0.09=0.003×0.9=0.05×300=
二、列竖式计算。
2.9×0.40.19×0.180.24×4.17.3×9.88
9.2×0.55.3×6.90.7×0.460.79×7.46
0.62×0.097.8×0.310.63×0.620.66×8.43
3.7×0.021.1×3.50.59×8.23.06×9.7
一、口算。
0.3×7=2×0.9=0.04×100=0.23÷100=
5.09×1000=80×0.03=0.005×70=0.1×0.03=
0.5×4=5×0.4=0.005×1000=8.33÷100=
1.4×10=5×0.3=0.02×70=0.08×700=
二、列竖式计算。
4.3×0.026.1×0.110.46×5.36.6×4.62
5.1×0.077.4×0.690.47×3.65.6×8.33
840×0.99.1×0.340.28×9.60.38×50.4
0.81×0.090.36×7.36.5×7.96.63×0.28
一、口算。
0.7×7=3×0.8=0.006×10=2.41÷1000=
0.968×1000=0.8×0.4=0.007×0.8=1.5×300=
0.3×5=7×0.7=0.008×1000=10.4÷10=
4.55×10=80×0.09=0.9×80=0.9×900=
二、列竖式计算。
0.73×0.40.47×0.21.8×3.20.95×37.4
2.6×0.40.71×0.30.47×9.74.3×70.5
720×0.044.1×4.34.5×2.60.75×89.2
8.4×0.026.4×0.337.3×8.847.9×0.86
一、口算。
0.7×2=6×0.2=0.8×100=75.6÷10=
4.6×100=70×0.7=0.04×70=0.7×500=
0.9×6=3×0.9=0.06×1000=9.95÷100=
0.1×100=70×0.08=0.05×6=0.17×0.9=
二、列竖式计算。
1.3×0.35.3×6.40.95×4.53.3×29.1
0.55×0.028.7×5.20.69×3.32.3×38
2600×0.099×4.31.7×0.670.94×70.6
6.6×0.81.2×8.33×0.1318.2×2.8
一、口算。
0.5×6=3×0.9=0.005×10=4.05÷100=
3.69×10=9×0.09=0.3×8=0.06×0.3=
0.3×9=8×0.7=0.09×100=8.41÷1000=
95.3×1000=6×0.3=0.008×0.7=1.5×0.2=
二、列竖式计算。
0.29×0.020.49×0.761.3×0.680.44×21.8
0.25×0.73.8×0.330.65×0.160.85×30.9
0.97×0.70.8×1.45.8×31.8×3.87
0.55×0.080.95×8.24.5×6.97.43×8.9
一、口算。
0.9×6=2×0.2=0.5×100=37.6÷1000=
0.141×100=0.02×0.08=0.4×0.9=0.19×30=
0.6×6=4×0.4=0.4×1000=8.25÷100=
82.9×100=7×0.03=0.3×8=0.14×2=
二、列竖式计算。
9.9×0.050.98×0.890.95×7.35.7×56.1
5.4×0.077.4×3.80.29×5.40.68×6.2
5.1×0.040.8×20.5×4.30.88×1.42
7.2×0.030.27×0.565.6×0.3484.4×0.58
一、口算。
0.5×6=2×0.8=0.06×1000=80.9÷10=
5.98×10=90×0.08=0.4×200=1.1×4=
0.1×5=8×0.4=0.008×1000=8.75÷100=
3.1×10=0.07×0.5=0.5×0.6=0.04×30=
二、列竖式计算。
0.31×0.40.5×0.780.95×0.910.93×1.29
0.74×0.79.6×5.30.93×0.497.7×11
8300×0.61.6×1.85.3×7.70.48×4.77
0.46×0.30.19×5.80.5×2.43.41×2.3
一、口算。
0.3×4=2×0.2=0.08×10=6.19÷100=
0.497×10=0.05×0.9=0.8×70=1.6×3=
0.6×8=7×0.2=0.006×1000=8.6÷100=
1.42×100=0.03×0.4=0.005×5=0.7×900=
二、列竖式计算。
1.2×0.75.5×7.40.16×4.40.13×60.7
0.15×0.041.2×0.710.1×0.176.1×5.52
23×0.030.54×20.48×0.120.84×2.64
9.4×0.080.34×5.20.75×0.9518.4×0.99
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