北师大版四年级数学下册小数乘法专项练习题125.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125
一、口算。
0.4×3=8×0.5=0.1×100=15.4÷1000=
82.6×10=0.02×0.7=0.008×500=0.01×6=
二、列竖式计算。
0.53×0.72×0.310.19×2.64.6×93.5
0.94×0.60.35×8.99.9×0.797.7×3.91
三、计算。
92×0.58+1.26.6+9.4×70.39+0.99+6.61
5.7×78+5.7×225×0.53×0.2
9.6×0.6+2.7×0.2780-9.5-50.5
一、口算。
0.6×5=9×0.6=0.003×1000=6.7÷1000=
78×10=0.06×0.02=0.02×6=0.2×70=
二、列竖式计算。
0.86×0.025.6×0.370.12×0.928.1×4.94
0.24×0.30.91×9.26.5×0.560.92×89.9
三、计算。
2×0.78+0.090.62+37×0.63.8+7.6+26.2
0.79×0.83+0.79×0.175×38×0.8
0.78×0.06+0.42×0.03520-0.66-5.34
一、口算。
0.8×8=9×0.2=0.008×10=66.9÷1000=
16.9×10=50×0.8=0.004×7=1×40=
二、列竖式计算。
0.31×0.60.13×0.596×9.65.6×7.49
3.5×0.53.7×0.670.35×0.658.1×25.8
三、计算。
2×9.8+0.80.76+3.4×0.48.4+8.2+71.6
2×0.15+2×0.850.25×6.1×0.4
0.97×0.06-0.26×0.053800-7-43
一、口算。
0.7×6=5×0.3=0.007×1000=2.14÷10=
0.949×10=20×0.06=0.007×0.04=0.3×80=
二、列竖式计算。
4.7×0.50.76×0.850.22×3.49.5×8.75
7.9×0.99.8×6.46.9×0.520.82×69.6
三、计算。
39×0.65+0.60.49+23×59.8+1.4+60.2
9.3×52+9.3×480.25×8.3×0.04
0.68×0.05-0.44×0.03160-0.57-0.43
一、口算。
0.1×7=7×0.9=0.009×10=0.815÷10=
6×10=0.6×0.03=0.2×400=0.03×9=
二、列竖式计算。
0.81×0.050.81×0.424.7×4.20.21×5.48
0.98×0.60.93×40.92×2.60.52×73.8
三、计算。
1.9×43+1.10.81+0.49×0.60.9+9.8+9.1
5.7×1.5+5.7×8.50.05×0.04×0.2
0.57×0.08+0.47×0.022900-0.52-7.48
一、口算。
0.8×4=7×0.2=0.002×10=6.57÷10=
53.9×10=90×0.07=0.002×600=0.9×300=
二、列竖式计算。
0.37×0.50.27×9.20.92×0.863.5×59.6
7.2×0.068.8×2.60.8×40.34×15.4
三、计算。
4.6×0.64+0.050.71+0.36×53.4+0.33+26.6
2.2×79+2.2×210.05×76×0.2
5.2×0.5-1.8×0.29100-5.5-54.5
一、口算。
0.5×7=4×0.8=0.3×100=6.5÷100=
62.2×10=0.5×0.5=0.3×20=0.08×2=
二、列竖式计算。
2.1×0.90.55×0.416.7×0.560.73×77
7.3×0.33.1×0.551.7×8.83.3×51
三、计算。
0.52×0.88+0.90.27+8.8×52.4+0.62+37.6
0.11×0.57+0.11×0.432.5×42×2
5.3×0.5-1.6×0.22900-3.7-26.3
一、口算。
0.4×5=7×0.8=0.8×10=37.3÷10=
7.53×100=0.4×0.08=0.004×7=0.03×50=
二、列竖式计算。
0.67×0.23.8×0.490.32×7.81.1×5.99
9.9×0.83.8×8.10.75×0.117.6×2.32
三、计算。
0.23×0.66+10.26+0.81×0.96.6+0.6+3.4
0.57×9.8+0.57×0.25×0.01×0.2
0.6×0.07-0.42×0.03830-0.36-4.64
一、口算。
0.7×2=4×0.8=0.005×10=0.347÷1000=
2.24×10=0.03×0.05=0.07×800=0.19×400=
二、列竖式计算。
0.21×0.069.1×5.10.36×0.313.2×7.6
0.66×0.28.1×2.30.7×6.21×41.1
三、计算。
49×0.13+0.090.23+8.1×0.39.3+0.5+50.7
0.48×0.57+0.48×0.4325×0.22×0.8
0.99×0.06-0.12×0.04580-0.75-3.25
一、口算。
0.3×4=9×0.5=0.008×10=4.59÷1000=
5.68×10=1×0.6=0.1×800=0.3×0.6=
二、列竖式计算。
0.31×0.075.9×1.60.13×50.41×91.3
6.2×0.060.42×0.390.29×4.40.92×76.6
三、计算。
81×76+0.050.61+30×0.32.4+8.3+37.6
0.67×0.88+0.67×0.120.25×0.98×0.2
0.86×0.09+0.23×0.02730-0.89-4.11
一、口算。
0.7×8=6×0.6=0.05×1000=4.81÷1000=
0.626×100=0.3×0.6=0.9×0.2=1.9×50=
二、列竖式计算。
0.64×0.70.13×8.30.14×2.62.9×7.43
2.8×0.070.5×8.59.1×0.12×43
三、计算。
7×32+0.095+0.76×98.7+9.5+61.3
9.2×7+9.2×30.25×9.6×2
0.99×0.08-0.46×0.053100-4.8-95.2
一、口算。
0.6×6=3×0.6=0.001×10=48.1÷1000=
34×10=0.4×0.5=0.5×0.2=0.8×80=
二、列竖式计算。
0.33×0.95.1×0.480.37×4.80.35×67.9
0.24×0.51.4×0.620.46×6.70.28×7
三、计算。
83×92+0.85.2+47×68.3+3.8+71.7
9.7×0.82+9.7×0.182.5×1×2
5.5×0.9+3.9×0.3400-0.54-1.46
一、口算。
0.8×9=3×0.6=0.01×10=0.511÷100=
0.29×100=30×0.7=0.08×0.02=0.15×700=
二、列竖式计算。
0.47×0.054.7×0.220.95×6.90.64×31.9
0.63×0.030.44×3.60.77×0.277.6×57.4
三、计算。
4×58+0.115.1+25×0.64.2+0.26+35.8
3.5×7.5+3.5×2.525×0.1×0.02
8.5×0.5+2.6×0.35400-0.17-4.83
一、口算。
0.8×7=3×0.8=0.07×1000=0.903÷100=
0.885×1000=0.05×0.09=0.07×0.04=1.9×0.07=
二、列竖式计算。
0.92×0.075.5×0.851.9×0.910.16×94
1.1×0.050.88×8.30.89×9.60.29×81.4
三、计算。
0.81×71+10.5+62×60.73+8.7+3.27
0.45×83+0.45×171.25×1.8×2
8.6×0.5-4.7×0.2720-9.4-10.6
一、口算。
0.3×7=4×0.4=0.4×10=35.2÷100=
84.7×100=0.07×0.4=0.006×400=0.19×0.7=
二、列竖式计算。
0.95×0.083.3×0.41.5×10.79×14.8
0.32×0.30.55×1.91.5×5.69.8×4.77
三、计算。
5.1×11+0.110.56+82×35.5+2.5+74.5
0.7×0.52+0.7×0.482.5×7.3×0.04
7.8×0.6-1.7×0.5210-7.9-12.1
一、口算。
0.6×2=3×0.2=0.2×10=2.38÷100=
0.184×10=2×0.2=0.09×0.07=2×0.4=
二、列竖式计算。
3.9×0.073×4.12.5×0.17.7×51.8
3.4×0.75.7×3.44.2×3.97.6×58.3
三、计算。
13×8.5+0.054.5+53×0.44+0.54+16
0.85×8.1+0.85×1.90.5×29×2
0.65×0.05-0.11×0.023300-5.4-84.6
一、口算。
0.5×2=3×0.5=0.009×10=5.83÷1000=
0.491×10=40×0.07=0.02×600=0.5×0.08=
二、列竖式计算。
6.6×0.045.1×0.922.8×0.380.19×55.2
1.2×0.030.44×3.79×0.780.73×6.55
三、计算。
0.7×0.07+1.20.52+7.7×0.90.15+0.86+4.85
0.77×0.17+0.77×0.8312.5×0.25×0.08
7.6×0.9+4×0.32000-0.77-4.23
一、口算。
0.1×5=4×0.8=0.001×1000=5.3÷1000=
0.993×10=0.09×0.05=0.1×0.8=0.08×400=
二、列竖式计算。
6.9×0.60.74×0.416.9×1.40.73×31.4
3.3×0.91.8×4.16.9×32.5×94.6
三、计算。
5×1.4+0.089.3+0.67×54.6+0.48+35.4
2.4×0.22+2.4×0.780.05×6.9×0.08
0.6×0.08+0.11×0.03460-3.9-36.1
一、口算。
0.9×5=4×0.9=0.04×10=0.873÷1000=
0.991×1000=0.01×0.05=0.009×0.08=1.6×0.9=
二、列竖式计算。
9.2×0.40.53×1.76.5×3.30.98×17.1
0.36×0.020.24×0.111.2×0.170.54×70.9
三、计算。
20×69+0.89.7+1.4×0.48.2+0.6+61.8
0.45×59+0.45×412.5×0.55×0.2
5.7×0.7+1.2×0.52300-7-63
一、口算。
0.4×9=6×0.8=0.4×10=9.09÷1000=
1.08×10=0.01×0.5=0.008×500=0.6×5=
二、列竖式计算。
6.6×0.083×4.10.18×0.973.4×30.2
0.44×0.045.5×6.78.8×9.13.1×6.31
三、计算。
0.17×0.38+0.70.43+4.4×20.3+0.12+2.7