北师大版四年级数学下册小数乘法专项练习题108.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108
一、口算。
0.2×3=7×0.5=0.2×1000=8.7÷1000=
33.6×100=0.08×0.7=0.05×0.8=0.03×0.4=
二、列竖式计算。
5.8×0.098.6×3.85.4×2.20.46×9.72
8.4×0.23.9×4.30.83×1.40.4×33.8
三、计算。
75×72+0.112.4+4.3×90.74+0.82+7.26
0.9×7.5+0.9×2.525×0.19×0.4
6.5×0.9+2.6×0.2290-8.6-41.4
一、口算。
0.3×9=7×0.3=0.009×100=0.883÷10=
0.72×10=20×0.09=0.03×300=2×0.07=
二、列竖式计算。
0.32×0.070.9×1.98.1×0.440.38×93
0.88×0.093.5×0.470.57×0.556×92.8
三、计算。
0.81×0.49+0.60.66+8×70.55+0.21+7.45
0.38×0.61+0.38×0.39125×0.26×0.4
5.2×0.7-1.3×0.39700-0.69-0.31
一、口算。
0.1×5=4×0.3=0.4×10=8.8÷1000=
0.395×100=70×0.7=0.8×80=0.7×0.08=
二、列竖式计算。
9.5×0.040.44×0.124.6×9.39.6×48.7
0.56×0.080.33×0.180.77×0.280.63×8.38
三、计算。
0.14×22+0.120.65+2.6×21.6+7.5+78.4
8.1×0.34+8.1×0.6612.5×0.55×0.8
0.72×0.07+0.11×0.05570-0.4-2.6
一、口算。
0.9×2=2×0.8=0.05×1000=17.3÷1000=
6×1000=0.07×0.05=0.07×0.03=0.6×7=
二、列竖式计算。
0.28×0.030.71×3.92.3×0.522.8×38.9
2.7×0.090.32×4.90.5×0.684.5×21.1
三、计算。
0.6×0.1+1.20.77+83×55+8.3+65
4.6×2.1+4.6×7.95×0.35×4
7.8×0.9+3.7×0.48100-0.69-6.31
一、口算。
0.9×6=2×0.2=0.03×10=7.63÷100=
24.1×1000=0.8×0.5=0.05×0.8=0.02×0.08=
二、列竖式计算。
5.1×0.40.92×0.611.3×0.940.55×26.7
2.7×0.59×3.59.5×6.20.74×68
三、计算。
0.56×99+0.071.7+3×0.60.4+0.92+6.6
0.86×0.21+0.86×0.7912.5×0.12×0.4
0.66×0.05+0.2×0.054600-0.44-8.56
一、口算。
0.6×7=8×0.3=0.2×1000=3.18÷10=
50.1×10=0.7×0.2=0.003×600=1.1×80=
二、列竖式计算。
0.63×0.060.12×0.490.83×9.81×2.6
6.2×0.91.4×7.79.1×3.30.18×8.1
三、计算。
0.8×0.99+0.068.5+9.8×0.35.2+8.9+24.8
5.6×62+5.6×380.25×0.93×2
0.63×0.09+0.18×0.023200-1.1-68.9
一、口算。
0.3×4=4×0.5=0.9×1000=50÷100=
33.4×10=9×0.08=0.004×5=1.4×80=
二、列竖式计算。
0.44×0.90.14×0.857.7×0.963.9×59.4
4.7×0.057.5×0.20.35×4.50.94×25.5
三、计算。
0.31×9.2+1.29+9.9×30.2+0.37+5.8
0.71×0.94+0.71×0.060.5×0.55×0.8
8.2×0.9-2.6×0.39100-0.65-4.35
一、口算。
0.5×6=7×0.5=0.009×100=0.17÷1000=
0.382×1000=80×0.9=0.6×50=0.18×0.3=
二、列竖式计算。
0.72×0.020.9×0.916.1×5.94×66.7
0.26×0.50.79×2.75.4×5.37.7×3.7
三、计算。
75×0.1+0.50.3+71×70.47+4.1+2.53
0.75×27+0.75×732.5×0.75×0.4
0.74×0.06+0.2×0.02120-0.39-0.61
一、口算。
0.3×6=6×0.3=0.8×100=7.68÷1000=
0.082×10=0.2×0.2=0.5×30=0.13×50=
二、列竖式计算。
3.9×0.44.9×0.288.1×6.22.3×2.42
0.37×0.090.18×0.470.57×5.97.1×9.6
三、计算。
6.7×1+0.70.28+0.92×0.26.7+0.28+3.3
9.5×2.1+9.5×7.90.05×5.2×0.4
6.3×0.7-4.1×0.27000-1.3-28.7
一、口算。
0.3×5=8×0.5=0.6×10=3.51÷1000=
2.06×10=0.7×0.09=0.6×80=0.18×0.4=
二、列竖式计算。
2.5×0.040.6×0.60.72×0.130.79×7.77
0.31×0.065.3×0.927.9×2.20.89×70
三、计算。
0.54×3.1+0.117.3+0.25×80.28+0.89+2.72
3.4×0.32+3.4×0.680.25×10×0.02
0.9×0.06+0.41×0.026200-0.69-3.31
一、口算。
0.4×4=6×0.9=0.007×1000=87.8÷1000=
3.1×10=50×0.4=0.008×0.06=0.1×7=
二、列竖式计算。
0.19×0.030.7×3.30.75×0.855×57.3
0.92×0.38×1.86.7×5.50.18×8.19
三、计算。
0.31×2.5+0.073.2+76×40.7+3.4+0.3
5.9×0.68+5.9×0.32125×2.3×4
8×0.6+1.7×0.24800-0.45-9.55
一、口算。
0.2×3=9×0.3=0.003×100=8.19÷10=
0.932×100=0.02×0.04=0.005×80=0.05×0.04=
二、列竖式计算。
7.9×0.060.69×8.60.94×0.570.29×1.81
0.89×0.64.5×6.92.3×30.34×75.5
三、计算。
0.81×0.38+1.20.57+5.8×0.44.2+4.6+65.8
0.93×0.97+0.93×0.035×9.4×4
8×0.8-4×0.4380-6.9-83.1
一、口算。
0.5×8=2×0.4=0.06×10=0.21÷10=
11.9×100=4×0.03=0.7×0.04=1.2×0.07=
二、列竖式计算。
0.44×0.20.41×0.750.97×0.819.4×48.5
0.22×0.040.36×0.320.13×4.25.7×2.7
三、计算。
9.4×0.85+16.4+50×0.80.74+0.21+7.26
0.34×0.67+0.34×0.33125×0.19×8
0.65×0.05+0.33×0.03520-0.66-7.34
一、口算。
0.5×7=5×0.9=0.4×100=2.14÷10=
50.7×1000=90×0.03=0.1×0.7=0.17×7=
二、列竖式计算。
0.73×0.76.2×0.213.4×2.56.4×7.18
0.29×0.059.8×82.9×0.196.4×9.45
三、计算。
0.66×8.4+0.60.63+0.7×0.50.17+8+6.83
7.6×6.7+7.6×3.30.5×3.4×0.8
0.65×0.05-0.13×0.02150-0.92-6.08
一、口算。
0.1×9=2×0.5=0.05×1000=0.603÷1000=
55.7×1000=10×0.3=0.007×0.4=0.11×0.4=
二、列竖式计算。
0.92×0.73.8×1.16.9×6.50.25×3.35
1.2×0.086.3×3.58.5×0.432.4×61.4
三、计算。
2.8×2.3+0.059.9+8.9×79.7+2.8+30.3
0.22×0.41+0.22×0.590.05×78×4
9.5×0.7-3.6×0.23800-0.83-4.17
一、口算。
0.4×3=3×0.5=0.06×1000=0.783÷100=
71.2×10=9×0.7=0.1×0.08=1.7×0.3=
二、列竖式计算。
0.49×0.066.9×5.26.3×67.3×1.07
0.22×0.64.9×2.50.3×4.20.27×6.39
三、计算。
54×0.14+10.16+1.8×0.20.61+0.99+5.39
0.41×71+0.41×292.5×44×0.4
0.62×0.05-0.19×0.04500-9.7-70.3
一、口算。
0.2×8=7×0.8=0.07×100=0.007÷1000=
1.37×1000=20×0.7=0.8×0.04=0.02×0.04=
二、列竖式计算。
0.55×0.051.1×1.10.12×0.174×2.41
0.45×0.024.4×0.870.49×1.31×23.8
三、计算。
7.1×4.2+0.80.49+3.6×52.7+8.7+67.3
0.5×12+0.5×880.05×37×0.02
7.3×0.7+3×0.52300-9.1-20.9
一、口算。
0.6×2=7×0.5=0.006×1000=0.244÷100=
12.7×10=4×0.9=0.005×80=1.4×30=
二、列竖式计算。
0.24×0.37.9×0.425.8×4.20.1×2.85
1.3×0.30.35×0.833.8×0.590.14×60
三、计算。
9.7×0.19+0.070.86+0.25×0.39.7+0.71+50.3
0.18×2.8+0.18×7.2125×0.99×0.8
7.2×0.6+3.5×0.32500-1.4-98.6
一、口算。
0.6×9=8×0.3=0.02×100=10.6÷100=
47×100=7×0.03=0.09×4=0.14×60=
二、列竖式计算。
0.21×0.050.97×9.45.9×1.20.21×7.42
4.7×0.56.5×1.32×0.360.77×8.84
三、计算。
1×0.66+0.70.72+76×0.30.74+4.9+5.26
0.88×61+0.88×391.25×84×2
9×0.9-1.5×0.2270-3.4-46.6
一、口算。
0.4×8=2×0.6=0.06×100=57.2÷10=
86.8×100=0.9×0.08=0.7×20=0.08×2=
二、列竖式计算。
9.7×0.55.2×0.446.7×7.20.36×4.42
3.9×0.63.6×0.960.93×1.30.23×88.9
三、计算。
4.4×0.7+0.66+0.25×0.77.4+0.39+52.6
4.7×35+4.7×651.25×0.79×8