北师大版四年级数学下册小数乘法专项练习题51.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51.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51
一、口算。
0.7×2=9×0.3=0.3×100=0.835÷1000=
8.49×100=0.07×0.09=0.001×800=0.14×0.7=
二、列竖式计算。
0.66×0.060.2×0.31.4×0.520.81×5.31
4.9×0.080.47×0.234.1×2.80.83×67.9
三、计算。
36×38+0.96.9+39×0.50.61+0.39+3.39
0.8×68+0.8×320.5×0.08×0.04
8.7×0.8-2.3×0.4960-5.8-34.2
一、口算。
0.7×3=7×0.5=0.09×1000=0.876÷1000=
0.499×100=30×0.04=0.005×0.9=0.17×20=
二、列竖式计算。
0.89×0.60.12×2.33.6×0.412.8×80.5
0.44×0.20.23×5.65×0.447.3×4.27
三、计算。
5.9×0.81+0.098+0.5×0.52.1+7.3+87.9
5.2×0.61+5.2×0.3925×3.3×0.4
9.1×0.8+4.1×0.27800-9.8-70.2
一、口算。
0.9×2=3×0.5=0.003×1000=7.9÷10=
3.98×1000=0.03×0.9=0.03×300=0.01×0.07=
二、列竖式计算。
3.4×0.024.7×2.73.2×0.716.3×4.88
0.84×0.77.7×4.37.3×0.210.36×1.25
三、计算。
14×9.7+0.067.6+9.6×0.85.3+0.93+4.7
0.24×4.3+0.24×5.712.5×46×0.4
0.63×0.05-0.28×0.026800-4.3-65.7
一、口算。
0.2×2=9×0.2=0.004×10=28÷1000=
2.33×10=30×0.02=0.04×0.8=1.7×300=
二、列竖式计算。
0.46×0.90.88×0.580.81×9.94.8×2.05
0.93×0.30.21×0.510.48×0.870.65×14.3
三、计算。
39×9+0.060.8+0.13×26.6+4.6+23.4
0.54×6.6+0.54×3.41.25×88×0.4
0.78×0.06-0.21×0.02300-5.2-4.8
一、口算。
0.1×9=8×0.7=0.05×10=32÷10=
1.57×1000=0.3×0.9=0.01×0.3=0.02×2=
二、列竖式计算。
7.3×0.60.31×1.39.2×6.87.4×48.5
0.68×0.098.1×3.50.68×0.550.75×86.1
三、计算。
9.3×2.8+10.35+99×0.22.5+0.15+57.5
0.98×1.7+0.98×8.3125×2.1×0.8
5.4×0.5+2.4×0.3780-7.8-42.2
一、口算。
0.7×2=6×0.8=0.4×1000=7.51÷1000=
85.1×1000=0.8×0.06=0.4×0.09=0.03×0.02=
二、列竖式计算。
0.74×0.60.78×0.678.4×7.70.96×21
0.68×0.023×7.60.4×0.771.4×5.56
三、计算。
81×60+0.11.5+6.4×94.3+2.8+95.7
0.2×0.11+0.2×0.890.25×16×4
8.6×0.5+4.3×0.43700-0.52-9.48
一、口算。
0.6×8=6×0.6=0.002×100=0.443÷1000=
33.3×1000=4×0.3=0.9×20=0.02×2=
二、列竖式计算。
9.4×0.060.52×7.41.8×0.640.57×6.53
7.7×0.020.23×5.20.41×0.40.68×30.6
三、计算。
4.5×0.97+0.73.1+57×0.90.54+0.16+9.46
4.8×0.75+4.8×0.25125×0.5×0.02
0.75×0.06-0.19×0.058800-0.45-9.55
一、口算。
0.9×5=9×0.7=0.005×10=12.6÷100=
0.566×100=80×0.3=0.4×0.04=2×600=
二、列竖式计算。
0.11×0.42.9×0.36.2×2.49.2×65.6
0.34×0.60.19×2.27.2×0.690.3×7.24
三、计算。
0.69×9.6+0.90.59+30×65.2+3.3+64.8
0.13×6.6+0.13×3.4125×9.4×0.4
0.52×0.09+0.27×0.02130-0.23-5.77
一、口算。
0.3×5=5×0.4=0.4×10=83.2÷100=
2.91×10=0.09×0.4=0.09×400=0.07×0.08=
二、列竖式计算。
5.4×0.50.64×8.13×0.114.2×62.8
8.6×0.55.3×0.560.91×9.88.7×67
三、计算。
39×0.09+0.116.5+0.95×0.30.96+5.5+5.04
6.6×0.88+6.6×0.12125×0.12×0.04
0.9×0.05-0.23×0.05510-5-55
一、口算。
0.4×9=2×0.2=0.04×1000=3.74÷10=
8.5×100=0.7×0.03=0.06×50=1.3×5=
二、列竖式计算。
0.72×0.020.47×1.40.19×0.210.92×6.68
6.4×0.023×64.2×0.530.23×7.63
三、计算。
0.71×1.6+0.73.2+97×0.40.64+5.4+1.36
0.19×0.47+0.19×0.5325×0.71×0.4
7.4×0.9-4.4×0.33100-3.4-16.6
一、口算。
0.6×6=5×0.4=0.004×100=1.23÷1000=
5.76×1000=0.08×0.06=0.5×0.04=0.17×900=
二、列竖式计算。
0.61×0.90.92×0.620.51×4.56.3×4.94
0.37×0.043.2×0.898.7×0.578.8×5.91
三、计算。
0.32×3.3+0.070.56+14×0.60.76+0.24+0.24
9×23+9×770.25×7.6×4
0.79×0.09-0.41×0.02460-4.1-5.9
一、口算。
0.7×3=5×0.4=0.006×100=0.02÷10=
0.103×10=0.09×0.9=0.08×0.06=1.9×0.5=
二、列竖式计算。
0.27×0.89.6×1.76.6×0.340.63×95.5
1.2×0.037.6×1.65.3×6.40.79×7.11
三、计算。
0.83×0.78+0.16+5.9×30.11+2.3+8.89
4×7.3+4×2.70.05×7.1×0.4
8.8×0.6-3.9×0.55900-0.62-8.38
一、口算。
0.4×2=6×0.4=0.2×10=2.95÷100=
4.96×100=0.6×0.03=0.9×200=0.07×50=
二、列竖式计算。
7.8×0.089.1×0.994.1×0.148.9×85.2
2.8×0.089×0.690.51×0.899.4×5.17
三、计算。
0.9×9+0.090.2+0.36×0.34.1+0.6+65.9
0.47×5.1+0.47×4.90.05×0.66×8
6.7×0.9-3×0.33900-1.2-48.8
一、口算。
0.7×6=2×0.4=0.003×10=6.99÷100=
0.818×100=60×0.03=0.8×0.08=0.8×500=
二、列竖式计算。
0.44×0.96×4.75.8×4.13.4×2.64
0.12×0.041.7×9.93.2×2.90.54×7.25
三、计算。
5.8×9.4+0.55.1+65×87.3+0.48+82.7
0.3×0.99+0.3×0.010.05×0.21×0.08
8×0.6-2.8×0.43300-0.67-9.33
一、口算。
0.1×6=5×0.3=0.008×10=95.8÷100=
3.37×100=0.2×0.7=0.8×70=0.3×0.6=
二、列竖式计算。
3.6×0.90.31×1.30.83×0.550.75×8.14
6.9×0.64.9×6.70.8×0.880.56×74.9
三、计算。
0.95×1.3+0.18.2+15×0.30.84+6.3+7.16
1.1×0.2+1.1×0.80.5×0.45×2
0.66×0.06+0.28×0.053300-1.3-88.7
一、口算。
0.4×2=8×0.3=0.005×100=0.185÷100=
43.8×1000=7×0.4=0.2×0.7=1.5×90=
二、列竖式计算。
0.86×0.050.99×5.21.3×0.121.1×8.43
0.75×0.82.2×0.60.73×0.810.4×6.95
三、计算。
0.55×6.7+0.060.24+90×76.5+1.3+13.5
6×3.9+6×6.11.25×0.3×0.08
6.4×0.8+1.8×0.42300-0.58-4.42
一、口算。
0.2×2=7×0.7=0.7×10=5.12÷1000=
93.8×1000=0.9×0.6=0.009×0.04=0.16×60=
二、列竖式计算。
7.3×0.25.8×0.533.6×2.50.95×1.4
0.24×0.090.19×5.80.63×0.436.6×57
三、计算。
54×0.78+0.90.15+1×0.26.8+8.7+83.2
0.96×0.72+0.96×0.28125×7.5×8
0.58×0.08-0.2×0.041300-1.9-58.1
一、口算。
0.6×4=6×0.6=0.007×10=5.6÷10=
0.052×10=20×0.6=0.7×200=0.19×80=
二、列竖式计算。
0.69×0.067.4×0.67.9×0.799.9×57.3
5.8×0.020.95×6.39.7×8.29.8×7.22
三、计算。
0.63×53+0.060.73+7.8×74.9+2.6+5.1
9.2×25+9.2×750.05×45×0.2
0.71×0.07-0.24×0.023300-0.43-3.57
一、口算。
0.4×9=7×0.4=0.008×100=8.19÷10=
27.3×10=6×0.04=0.4×9=1.5×3=
二、列竖式计算。
3.3×0.024.9×0.135.6×0.13.7×7.46
0.94×0.29.8×3.59.3×0.180.44×51
三、计算。
3.4×1.9+0.114+1.5×0.80.14+5.5+1.86
0.24×77+0.24×232.5×0.81×0.02
0.51×0.08-0.14×0.043500-0.71-8.29
一、口算。
0.1×7=3×0.3=0.009×10=0.862÷10=
50.3×100=0.6×0.3=0.3×800=0.13×200=
二、列竖式计算。
3.2×0.082.7×6.30.71×2.20.7×89
8.8×0.50.49×0.118×60.48×7.75
三、计算。
0.39×4.8+0.78.1+13×97.2+0.68+92.8
7.5×20+7.5×8025×0.06×2
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