北师大版四年级数学下册小数乘法专项练习题129.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129
一、口算。
0.9×6＝5×0.9＝0.3×1000＝0.724÷100＝
55.8×100＝0.1×0.02＝0.07×30＝0.05×0.04＝
二、列竖式计算。
5.4×0.060.36×3.54.2×0.650.33×28.7
9.4×0.60.19×6.17.3×1.80.85×84.9
三、计算。
83×0.91＋10.37＋66×0.60.47＋8.2＋1.53
0.21×0.79＋0.21×0.212.5×63×4
0.94×0.07＋0.14×0.03650－0.72－0.28
一、口算。
0.5×7＝8×0.4＝0.9×100＝5.72÷100＝
0.615×100＝7×0.3＝0.7×0.3＝0.02×60＝
二、列竖式计算。
0.85×0.21.5×1.25.7×0.292×9.03
5.8×0.021.6×2.98.6×0.250.69×73.4
三、计算。
5×4.4＋0.90.54＋2.8×0.60.24＋0.65＋1.76
6.2×2.7＋6.2×7.35×0.64×0.4
8.6×0.8＋2.2×0.5900－0.33－2.67
一、口算。
0.1×6＝5×0.9＝0.02×10＝40.1÷10＝
0.963×1000＝0.09×0.5＝0.003×0.8＝0.6×0.04＝
二、列竖式计算。
7.6×0.040.51×1.65×39.9×42.9
0.81×0.74.2×4.20.93×6.70.45×16.1
三、计算。
0.92×88＋0.095.8＋5.7×0.39.9＋1.2＋10.1
1.2×41＋1.2×590.5×5.2×0.04
0.72×0.08－0.22×0.02930－0.49－2.51
一、口算。
0.6×3＝3×0.2＝0.09×10＝6.14÷100＝
8.5×1000＝6×0.05＝0.008×0.09＝1.3×0.05＝
二、列竖式计算。
2.1×0.030.89×0.820.11×0.550.42×88.1
5.7×0.040.78×0.822.3×0.995.2×6.48
三、计算。
0.04×0.92＋1.10.13＋0.84×76.2＋0.95＋23.8
1.7×20＋1.7×805×1×0.2
0.6×0.08－0.45×0.022900－0.62－5.38
一、口算。
0.7×8＝2×0.4＝0.06×1000＝0.92÷10＝
9.64×10＝90×0.07＝0.02×9＝0.5×2＝
二、列竖式计算。
0.48×0.29.3×0.412.1×8.87.8×44.9
0.96×0.046.2×0.970.39×4.70.85×65.6
三、计算。
0.24×7.4＋0.15.5＋0.25×41.1＋0.57＋38.9
2.6×6.9＋2.6×3.112.5×0.48×0.02
0.55×0.05＋0.15×0.042400－3.7－26.3
一、口算。
0.1×4＝4×0.5＝0.4×100＝0.918÷100＝
3.4×10＝7×0.3＝0.7×900＝0.11×50＝
二、列竖式计算。
2.7×0.60.79×6.70.93×0.12.7×6.28
0.99×0.76×3.20.89×0.350.66×43.1
三、计算。
7×19＋0.060.89＋0.63×0.82.9＋0.57＋27.1
9.1×91＋9.1×91.25×0.42×0.04
5.5×0.6－2.1×0.59700－0.65－9.35
一、口算。
0.8×3＝4×0.8＝0.006×100＝0.28÷100＝
5.44×100＝0.09×0.03＝0.07×90＝0.4×0.2＝
二、列竖式计算。
6.6×0.075.8×28.6×4.82.8×65.8
7.7×0.97.3×6.30.42×3.19.7×1.05
三、计算。
0.63×49＋0.080.95＋59×46.5＋8.3＋3.5
0.68×0.23＋0.68×0.7712.5×0.73×4
8.8×0.9－1.2×0.4430－0.46－5.54
一、口算。
0.5×9＝6×0.4＝0.05×1000＝90.6÷1000＝
18.8×100＝0.2×0.2＝0.08×40＝2×60＝
二、列竖式计算。
0.63×0.060.55×9.20.62×5.20.44×37.9
6.2×0.080.35×0.940.73×0.368.6×51.8
三、计算。
0.56×0.2＋0.65.1＋19×90.26＋7.6＋9.74
0.14×4.9＋0.14×5.125×94×0.8
0.62×0.09＋0.47×0.02650－0.53－4.47
一、口算。
0.6×8＝4×0.4＝0.06×100＝84.3÷10＝
29.8×100＝0.02×0.2＝0.4×700＝0.12×0.6＝
二、列竖式计算。
0.15×0.81.3×0.392.5×0.890.9×26
0.86×0.40.24×3.25.8×8.37.9×8.98
三、计算。
5.6×36＋1.20.66＋9.8×0.79.7＋2.9＋90.3
0.33×2.1＋0.33×7.92.5×5.3×0.08
6.6×0.5－1.4×0.5530－5.6－64.4
一、口算。
0.5×6＝5×0.6＝0.7×1000＝57.3÷100＝
0.995×100＝70×0.03＝0.6×70＝2×200＝
二、列竖式计算。
0.12×0.76.9×1.69.1×0.124.8×2.39
2.4×0.80.55×5.77.5×1.96.5×36.7
三、计算。
4.4×74＋1.26.6＋47×60.97＋6.9＋6.03
6.5×82＋6.5×185×68×0.04
7.4×0.9－2.7×0.3320－9.2－60.8
一、口算。
0.3×3＝7×0.4＝0.2×100＝0.819÷100＝
0.415×10＝8×0.9＝0.5×0.07＝0.08×50＝
二、列竖式计算。
0.62×0.92.3×0.420.4×0.590.36×7.98
0.19×0.62.7×4.33.9×0.620.49×56.5
三、计算。
8×8.1＋0.085＋0.7×0.50.97＋7.9＋1.03
0.5×2.4＋0.5×7.612.5×0.85×0.08
8.5×0.8－2.2×0.58100－1.5－78.5
一、口算。
0.4×8＝8×0.8＝0.2×100＝5.63÷1000＝
4.29×100＝80×0.04＝0.008×0.07＝0.08×0.3＝
二、列竖式计算。
9.9×0.093.5×0.615.1×1.36.4×8.9
9.9×0.53.7×0.781.5×1.54.3×8.15
三、计算。
36×8.5＋0.068.4＋4×0.40.43＋9.9＋6.57
7.7×30＋7.7×705×32×0.04
5.5×0.5－1.2×0.5640－0.32－6.68
一、口算。
0.6×5＝5×0.8＝0.2×1000＝73.8÷100＝
2.9×100＝8×0.4＝0.005×0.05＝0.19×4＝
二、列竖式计算。
5.4×0.020.43×0.45.3×0.512.3×41.5
0.64×0.094.1×0.593.5×0.432.3×8.75
三、计算。
44×5.7＋0.70.93＋0.44×52.9＋4.2＋17.1
0.89×63＋0.89×372.5×84×0.02
0.86×0.05－0.17×0.04520－0.47－5.53
一、口算。
0.7×6＝7×0.8＝0.007×1000＝95.1÷10＝
0.962×100＝50×0.07＝0.3×4＝0.8×0.8＝
二、列竖式计算。
7.4×0.070.13×0.450.6×6.10.56×41.6
0.36×0.30.79×0.50.7×0.462.9×9.69
三、计算。
0.04×0.42＋1.20.96＋0.15×60.78＋0.29＋9.22
3×23＋3×770.05×0.25×0.2
6.3×0.5＋1.1×0.49300－0.12－5.88
一、口算。
0.9×7＝7×0.8＝0.5×100＝5.44÷1000＝
0.966×1000＝8×0.5＝0.8×0.09＝0.3×0.9＝
二、列竖式计算。
6.8×0.90.89×2.40.1×9.98.3×94.6
0.39×0.050.15×0.280.62×0.16.8×83.2
三、计算。
4.6×0.05＋0.12.9＋47×0.49.8＋2.9＋20.2
1.2×9.8＋1.2×0.225×4.4×0.02
9.4×0.9－3×0.3320－0.56－9.44
一、口算。
0.2×6＝8×0.5＝0.005×100＝0.382÷10＝
5.62×10＝0.5×0.06＝0.04×400＝0.02×0.07＝
二、列竖式计算。
2.2×0.67.3×0.497.2×5.90.37×1.08
7.2×0.089.8×0.890.1×0.715.4×76.5
三、计算。
58×44＋17.5＋7.2×32.5＋0.71＋47.5
0.87×0.15＋0.87×0.850.5×80×8
9.2×0.5＋1.7×0.32400－0.83－7.17
一、口算。
0.1×7＝8×0.2＝0.9×1000＝1.04÷100＝
3.23×1000＝0.03×0.3＝0.8×0.07＝0.9×0.07＝
二、列竖式计算。
0.77×0.80.65×0.468.1×0.25.7×29.3
9.9×0.40.72×0.340.22×7.20.33×5.08
三、计算。
2.9×6.2＋0.83.2＋7×0.96.6＋9.2＋33.4
5.9×54＋5.9×460.05×0.14×8
8.6×0.9＋2.6×0.2510－0.57－6.43
一、口算。
0.2×4＝9×0.8＝0.7×10＝90.9÷1000＝
47.4×100＝0.04×0.9＝0.4×70＝0.1×7＝
二、列竖式计算。
0.95×0.57.3×0.292.7×6.60.21×5.01
9.5×0.77.2×0.191×0.555.7×60
三、计算。
80×1.7＋0.72＋0.33×43.8＋0.24＋86.2
0.93×9.3＋0.93×0.70.25×67×0.2
5.3×0.6＋3.5×0.2790－0.64－3.36
一、口算。
0.7×6＝5×0.4＝0.5×100＝16.2÷10＝
62.4×10＝40×0.09＝0.003×6＝0.11×80＝
二、列竖式计算。
9.9×0.60.93×4.60.65×2.34.7×9.26
0.16×0.050.6×0.994.8×0.918.2×9.03
三、计算。
30×0.81＋0.050.69＋0.47×0.47.3＋0.32＋32.7
2.1×0.2＋2.1×0.80.05×8.3×0.2
0.51×0.09－0.23×0.03990－6.8－23.2
一、口算。
0.7×3＝9×0.2＝0.007×10＝5.96÷100＝
0.997×10＝1×0.4＝0.5×3＝0.02×80＝
二、列竖式计算。
7.9×0.032.6×2.40.13×9.39.9×6.62
1.6×0.65.2×0.750.9×9.49.5×34.8
三、计算。
7.7×7.2＋1.10.7＋48×70.85＋3.6＋2.15
3.9×9.3＋3.9×0.712.5×9.8×0.8
6.9×0.5－1.3×0.3990－0.43－8.57
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