北师大版四年级数学下册小数乘法专项练习题170.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170.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170
6.9×0.9+4.6×0.58900-0.17-2.83
一、口算。
0.8×3=6×0.9=0.07×100=55.3÷100=
78.4×1000=0.01×0.7=0.09×700=0.2×8=
二、列竖式计算。
4.5×0.51.9×1.30.83×0.573.9×6.82
0.24×0.20.91×6.13.1×2.70.21×3.49
三、计算。
7.6×0.74+0.120.73+0.52×20.39+2.1+9.61
0.58×47+0.58×535×0.77×0.04
7.8×0.7-3.1×0.54800-0.6-1.4
一、口算。
0.4×6=3×0.2=0.9×10=58.2÷100=
4.79×10=6×0.04=0.8×8=0.4×0.6=
二、列竖式计算。
0.94×0.83.5×3.42×4.40.66×54.9
6.9×0.023×0.831.2×5.97.2×32.7
三、计算。
5.3×39+0.74.8+73×0.80.93+4.3+4.07
5.3×66+5.3×34125×0.93×0.2
7.3×0.6-3.5×0.31300-1.8-8.2
一、口算。
0.5×3=2×0.7=0.05×1000=0.139÷1000=
48.7×10=0.06×0.6=0.007×0.2=0.17×90=
二、列竖式计算。
4.9×0.76.1×0.655.8×3.50.31×22.4
0.11×0.70.76×0.821.5×0.320.94×43.6
三、计算。
43×37+0.93.9+7.9×80.24+0.59+5.76
5.7×0.95+5.7×0.052.5×0.93×0.2
0.53×0.05-0.28×0.045300-0.34-5.66
一、口算。
0.9×2=7×0.9=0.01×1000=4.06÷10=
7.45×10=0.6×0.5=0.005×3=0.9×0.5=
二、列竖式计算。
0.15×0.62.4×6.60.74×0.970.53×4.07
4.4×0.080.26×0.274.3×4.30.67×1.19
三、计算。
6.6×2.8+0.82.6+34×0.82.8+0.57+67.2
0.35×19+0.35×810.25×68×0.8
0.67×0.05+0.27×0.041300-0.14-0.86
一、口算。
0.3×8=6×0.2=0.8×10=0.422÷10=
52.2×100=9×0.2=0.05×60=0.2×8=
二、列竖式计算。
1.1×0.86×0.438.9×0.790.18×17.1
0.79×0.90.27×0.650.17×0.520.82×47.4
三、计算。
0.35×9+0.70.58+6.2×54.2+7.3+35.8
8.9×9.6+8.9×0.41.25×0.29×4
0.95×0.06+0.23×0.05450-1.9-8.1
一、口算。
0.5×6=3×0.7=0.3×1000=10÷100=
0.028×10=20×0.03=0.2×900=0.17×400=
二、列竖式计算。
0.46×0.084.7×2.52.5×1.56.7×81
0.81×0.70.81×5.50.46×0.440.74×1.77
三、计算。
3.7×8.8+0.060.7+90×0.37.5+8+62.5
8.7×93+8.7×712.5×7.1×0.4
8.6×0.9+3.3×0.27300-0.45-2.55
一、口算。
0.7×6=4×0.6=0.9×10=2.78÷10=
59.5×10=0.1×0.02=0.006×0.06=1×0.7=
二、列竖式计算。
6.4×0.088.4×5.48.4×0.993.7×31.1
7.4×0.097.9×7.60.91×0.450.51×7
三、计算。
46×0.12+0.70.99+59×45.5+0.21+4.5
0.14×0.25+0.14×0.751.25×0.99×0.02
8.3×0.7+2.1×0.4290-9.9-30.1
一、口算。
0.2×7=8×0.8=0.007×100=0.329÷10=
2.05×1000=50×0.02=0.05×0.2=0.3×200=
二、列竖式计算。
9.3×0.064.5×0.255.2×2.52.4×76.7
0.58×0.98.9×2.17.3×1.87×88
三、计算。
0.46×0.55+0.070.31+3.9×0.80.44+0.7+1.56
0.5×62+0.5×381.25×8.8×0.4
8×0.9+4.9×0.28000-0.85-9.15
一、口算。
0.8×2=2×0.4=0.007×100=0.369÷10=
85.9×10=1×0.02=0.009×4=0.7×0.5=
二、列竖式计算。
1.8×0.055.4×0.532.9×0.460.33×3.72
0.96×0.27.5×0.557.1×37.6×6.28
三、计算。
39×0.91+0.63.1+66×0.77.1+0.16+62.9
0.7×0.85+0.7×0.1512.5×49×0.08
5×0.7-3.9×0.36500-0.81-8.19
一、口算。
0.4×2=7×0.4=0.008×1000=0.287÷100=
0.131×100=0.08×0.06=0.07×80=1.6×90=
二、列竖式计算。
2.3×0.39.3×0.622×0.360.52×5.15
0.49×0.34.3×1.74.1×7.90.56×4.64
三、计算。
62×67+0.10.12+6.2×0.70.18+5.6+7.82
0.58×9.1+0.58×0.92.5×95×0.2
5.7×0.8-3.2×0.48500-0.55-6.45
一、口算。
0.8×6=5×0.3=0.8×100=0.603÷100=
4.05×10=0.06×0.05=0.005×80=0.18×0.7=
二、列竖式计算。
9.6×0.065.5×4.70.25×0.367.1×67.2
6.9×0.020.44×9.42.9×3.24.2×2.42
三、计算。
3.3×1.5+1.27.4+5.7×0.81.2+3.1+58.8
0.2×0.56+0.2×0.44125×12×8
7.8×0.5+4.9×0.59700-6.8-43.2
一、口算。
0.3×5=6×0.8=0.04×10=0.838÷1000=
62.2×10=50×0.3=0.001×3=1.5×0.03=
二、列竖式计算。
1.3×0.075.6×2.51.5×0.253.1×6.31
0.66×0.81×0.140.26×0.771.5×55.9
三、计算。
4.6×7.8+0.099.7+0.62×81.2+8.8+48.8
5.1×9.8+5.1×0.25×0.74×2
0.5×0.05+0.14×0.02170-7-93
一、口算。
0.9×4=2×0.5=0.09×10=62.3÷10=
0.464×10=8×0.05=0.8×0.04=1.5×0.8=
二、列竖式计算。
0.73×0.036.8×0.410.38×2.80.91×68.5
1.1×0.60.98×0.442.4×6.62.2×27.2
三、计算。
91×21+0.120.65+0.19×90.68+4.6+6.32
0.23×98+0.23×21.25×7.1×0.02
7.5×0.7-3.7×0.2650-0.81-1.19
一、口算。
0.3×6=4×0.2=0.002×10=22.3÷100=
7.43×10=0.08×0.04=0.004×0.06=0.05×7=
二、列竖式计算。
7.1×0.020.47×0.684.3×0.310.5×73.7
7.2×0.060.24×0.49.2×0.210.86×2.83
三、计算。
0.7×4.7+0.092.9+0.85×0.20.4+0.18+2.6
0.24×41+0.24×590.5×43×8
0.58×0.06+0.15×0.04730-0.11-6.89
一、口算。
0.9×2=6×0.9=0.3×10=79.7÷100=
0.115×100=0.9×0.4=0.8×800=1.4×600=
二、列竖式计算。
0.75×0.34.6×0.586.9×7.14.1×4.17
0.76×0.80.37×5.10.67×0.652.9×28.5
三、计算。
0.68×22+0.78.3+0.21×0.26.1+0.24+63.9
0.79×37+0.79×63125×8.4×0.04
0.51×0.09-0.28×0.029600-2-48
一、口算。
0.4×7=2×0.9=0.6×100=6.48÷10=
37.7×1000=0.6×0.04=0.6×60=0.1×8=
二、列竖式计算。
0.88×0.60.31×0.542.7×0.950.54×4.53
0.82×0.062×0.480.25×0.140.13×4.34
三、计算。
0.05×36+1.17.5+53×36+3.6+14
0.24×0.47+0.24×0.53125×4.4×0.8
5.5×0.8+1.8×0.3810-6.6-3.4
一、口算。
0.4×6=3×0.8=0.06×1000=3.16÷1000=
9.1×10=0.01×0.7=0.01×90=0.5×500=
二、列竖式计算。
0.45×0.083.1×1.14.4×5.77.9×5.75
0.44×0.50.98×0.760.78×8.50.69×30.3
三、计算。
1×4.3+0.124.9+0.49×44.8+6.1+75.2
5.4×8.6+5.4×1.4125×0.32×0.08
5.9×0.7+2.8×0.37100-4-6
一、口算。
0.6×6=3×0.2=0.5×100=40.5÷1000=
85.2×10=3×0.07=0.06×0.07=0.17×0.09=
二、列竖式计算。
5.9×0.70.41×7.10.46×0.770.82×5.55
2.4×0.040.18×0.231.4×0.80.2×70.4
三、计算。
32×7.8+0.120.44+43×38+2.8+32
0.57×0.5+0.57×0.512.5×23×0.04
9.1×0.6-3.2×0.3840-9.5-90.5
一、口算。
0.7×7=3×0.8=0.7×100=0.117÷100=
0.474×100=80×0.9=0.1×3=0.04×70=
二、列竖式计算。
4.6×0.085.9×8.45.7×0.890.21×60.3
0.82×0.036.9×6.30.66×0.380.67×1.65
三、计算。
7.3×6.4+0.069.9+2.7×0.40.26+9.1+5.74
1.9×0.27+1.9×0.730.05×6.7×4
0.5×0.09+0.44×0.03520-0.99-7.01
一、口算。
0.7×3=3×0.3=0.07×1000=0.587÷100=
26.2×100=2×0.7=0.4×300=0.08×0.3=
二、列竖式计算。
0.47×0.70.24×5.86.2×4.20.88×4.34
9.5×0.76.2×4.43.9×4.64.7×6.67
三、计算。
0.1×77+0.070.93+51×0.52.9+0.3+47.1
2.9×32+2.9×682.5×0.1×0.4
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