北师大版四年级数学下册小数乘法专项练习题93.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93
三、计算。
6.1×3.3＋0.050.56＋0.36×0.57＋2＋83
0.14×2.9＋0.14×7.10.5×3.6×0.08
6.5×0.8＋4.4×0.4710－0.77－8.23
一、口算。
0.5×8＝4×0.7＝0.07×100＝6.03÷10＝
0.543×100＝5×0.05＝0.09×300＝0.12×5＝
二、列竖式计算。
1.2×0.081.2×7.66.4×0.440.79×5.49
9.4×0.022.3×6.39.9×0.940.35×50.5
三、计算。
0.51×43＋0.83.8＋6.9×80.95＋0.37＋7.05
0.32×9.9＋0.32×0.125×3.2×4
0.85×0.07＋0.42×0.05580－0.49－9.51
一、口算。
0.2×5＝4×0.8＝0.01×100＝0.504÷10＝
6.65×10＝10×0.05＝0.02×5＝1.9×80＝
二、列竖式计算。
6.1×0.26.6×0.229×2.17.6×79.7
0.54×0.50.78×3.43.8×5.92.9×17.8
三、计算。
4.6×0.96＋0.096＋9.3×68.4＋0.19＋41.6
0.4×9.6＋0.4×0.40.05×6.3×0.2
8.3×0.6－2.7×0.25500－0.29－9.71
一、口算。
0.6×2＝2×0.8＝0.9×1000＝3.21÷100＝
0.87×1000＝7×0.07＝0.008×400＝1.2×6＝
二、列竖式计算。
1.5×0.071.1×70.82×0.870.89×8.06
0.19×0.040.38×7.90.66×6.80.98×33
三、计算。
6.8×0.43＋0.66.3＋33×30.99＋8.8＋9.01
0.66×0.24＋0.66×0.765×0.01×0.2
0.55×0.08＋0.43×0.026200－3.8－16.2
一、口算。
0.9×7＝4×0.9＝0.003×100＝9.04÷100＝
19.5×100＝0.08×0.5＝0.02×0.2＝0.08×70＝
二、列竖式计算。
0.98×0.026.8×0.113.6×0.650.6×4.84
8.2×0.063.4×0.755.6×7.10.34×72.7
三、计算。
91×57＋0.53.1＋73×75.1＋3.3＋44.9
0.6×40＋0.6×601.25×5.4×0.02
0.92×0.06＋0.47×0.028700－0.2－8.8
一、口算。
0.9×8＝8×0.7＝0.007×10＝69.8÷100＝
70.1×100＝0.02×0.08＝0.004×0.06＝0.08×900＝
二、列竖式计算。
4.1×0.60.53×8.97.2×0.620.94×47.6
2.2×0.037.1×3.64.9×9.81.9×43.3
三、计算。
0.15×8.1＋0.082.7＋0.39×0.90.9＋4.9＋4.1
0.93×4.7＋0.93×5.35×0.04×0.08
0.75×0.06＋0.2×0.05620－2.6－47.4
一、口算。
0.4×9＝6×0.8＝0.005×1000＝0.988÷10＝
59.7×10＝0.8×0.5＝0.4×0.09＝0.02×5＝
二、列竖式计算。
0.75×0.039.4×1.80.96×15×91.9
8.4×0.90.9×6.58.6×5.38.9×7.23
三、计算。
4.5×19＋19＋0.12×60.49＋3.5＋6.51
6.9×63＋6.9×3725×77×0.4
0.59×0.09－0.33×0.03220－0.47－0.53
一、口算。
0.5×6＝5×0.6＝0.5×10＝61.6÷100＝
16.3×100＝2×0.07＝0.07×9＝0.4×40＝
二、列竖式计算。
0.45×0.040.87×0.570.57×5.70.79×94.4
0.81×0.088.5×0.116.5×20.89×1.04
三、计算。
7.4×0.39＋0.050.66＋38×70.3＋0.84＋7.7
0.64×0.74＋0.64×0.260.25×65×8
6.4×0.5－4.1×0.3640－0.21－1.79
一、口算。
0.9×6＝8×0.5＝0.003×10＝0.229÷100＝
0.534×1000＝60×0.05＝0.8×600＝1.6×80＝
二、列竖式计算。
8.2×0.035.7×0.754.1×0.845.2×5.57
0.67×0.037.8×6.90.9×0.877.1×7.57
三、计算。
20×35＋0.090.66＋6.4×31.9＋1.6＋88.1
0.46×49＋0.46×5112.5×0.6×0.02
0.62×0.08－0.3×0.048300－5－75
一、口算。
0.4×6＝9×0.8＝0.04×1000＝0.068÷10＝
78.6×1000＝30×0.07＝0.03×9＝2×0.8＝
二、列竖式计算。
0.84×0.70.63×0.460.58×0.130.95×95.1
0.59×0.30.75×0.920.17×0.538.9×18
三、计算。
73×9＋0.11.6＋0.11×0.80.58＋5＋9.42
7.3×37＋7.3×63125×0.16×2
5.7×0.9－2.9×0.5220－0.83－2.17
一、口算。
0.1×3＝8×0.5＝0.002×100＝5.6÷10＝
0.048×10＝50×0.05＝0.01×0.9＝0.02×20＝
二、列竖式计算。
0.26×0.56.1×7.65.7×1.10.67×8.88
9.1×0.30.6×0.10.43×0.390.73×3.57
三、计算。
0.47×8.2＋0.123.4＋89×0.46＋0.6＋4
0.12×43＋0.12×570.25×0.05×0.08
5.5×0.6＋3.8×0.35300－0.67－7.33
一、口算。
0.6×9＝9×0.7＝0.5×1000＝57.4÷1000＝
3.74×10＝80×0.04＝0.5×90＝1×600＝
二、列竖式计算。
7.6×0.45.9×8.33.5×8.45.6×25.2
0.28×0.87.8×2.25.6×0.960.6×4.11
三、计算。
2.3×0.81＋19.2＋0.97×0.30.22＋0.45＋0.78
0.66×0.34＋0.66×0.661.25×2.3×0.8
0.94×0.08＋0.29×0.057300－6.1－13.9
一、口算。
0.1×9＝5×0.3＝0.07×10＝0.196÷100＝
2×10＝5×0.5＝0.008×8＝0.08×0.05＝
二、列竖式计算。
0.26×0.066×3.71.6×0.120.21×83
0.34×0.020.98×3.70.61×1.54.3×2.11
三、计算。
20×88＋0.75.8＋6.7×46.6＋8.2＋23.4
0.16×0.63＋0.16×0.3725×5.3×0.4
6.2×0.7＋2.3×0.4150－0.87－3.13
一、口算。
0.2×3＝9×0.6＝0.09×100＝5.02÷10＝
0.291×100＝90×0.8＝0.02×20＝0.07×0.4＝
二、列竖式计算。
0.56×0.40.98×7.44.3×0.360.64×10.1
9.4×0.030.71×3.75.1×5.81×34.4
三、计算。
9.9×0.7＋0.15.3＋0.72×71.3＋7.7＋38.7
7.5×6.2＋7.5×3.825×0.6×0.8
9.4×0.6＋3×0.29300－0.59－5.41
一、口算。
0.6×8＝4×0.6＝0.08×100＝6.22÷10＝
0.166×1000＝0.02×0.03＝0.2×700＝0.5×60＝
二、列竖式计算。
7.2×0.40.99×5.89.7×0.550.44×26.6
0.57×0.035.2×0.147.9×0.572.3×2.4
三、计算。
39×1.8＋0.050.98＋8.4×0.60.46＋0.92＋5.54
6.7×17＋6.7×832.5×0.94×0.04
0.9×0.09－0.44×0.02710－0.76－7.24
一、口算。
0.2×7＝8×0.5＝0.009×100＝78.6÷1000＝
39.6×1000＝70×0.9＝0.002×500＝0.1×200＝
二、列竖式计算。
0.24×0.062×0.950.88×0.850.35×66.6
0.46×0.70.65×0.734.1×3.20.58×9.38
三、计算。
4.7×0.48＋0.070.36＋22×59＋0.48＋61
1.6×7.6＋1.6×2.45×49×4
6.2×0.6－3.2×0.5470－9.5－0.5
一、口算。
0.5×5＝3×0.6＝0.009×1000＝74.3÷1000＝
0.065×100＝30×0.07＝0.07×0.3＝2×0.3＝
二、列竖式计算。
4.6×0.098.7×2.19.8×0.240.35×3.14
0.15×0.090.81×2.60.94×0.40.77×5.39
三、计算。
6.5×0.12＋0.80.49＋0.12×60.91＋0.71＋8.09
0.58×38＋0.58×620.05×33×2
5.4×0.9＋1×0.41400－0.96－1.04
一、口算。
0.7×8＝8×0.6＝0.08×1000＝0.526÷1000＝
74.8×100＝70×0.2＝0.09×5＝1.5×0.6＝
二、列竖式计算。
7.7×0.052×4.77.9×4.20.33×4.38
0.39×0.049.6×0.735.1×0.49.8×2.91
三、计算。
0.74×0.68＋0.68＋4.7×0.90.13＋0.72＋0.87
0.73×22＋0.73×782.5×0.67×4
0.74×0.08＋0.22×0.02970－4.6－55.4
一、口算。
0.6×6＝6×0.9＝0.008×10＝89.5÷100＝
91×100＝4×0.09＝0.006×5＝0.5×300＝
二、列竖式计算。
4.5×0.25.5×4.44.2×7.81.8×1.15
4.8×0.050.94×0.197.6×5.50.53×64.7
三、计算。
98×0.76＋0.76.5＋2×20.93＋0.82＋0.07
7.6×0.98＋7.6×0.025×0.82×0.04
0.8×0.08＋0.18×0.02220－0.46－4.54
一、口算。
0.1×2＝4×0.6＝0.1×100＝74.2÷100＝
80.9×100＝0.9×0.03＝0.02×600＝0.7×0.05＝
二、列竖式计算。
9.1×0.024.7×1.58.7×0.931.4×23.5
0.64×0.063.8×0.140.54×7.92.2×97.1
三、计算。
37×37＋0.070.77＋0.29×0.40.93＋5.9＋7.07
1.7×3.4＋1.7×6.60.5×88×0.02
0.54×0.06－0.21×0.04940－5.1－34.9
一、口算。
0.3×4＝4×0.4＝0.01×100＝9.13÷10＝
0.024×10＝0.2×0.9＝0.002×200＝0.05×40＝
二、列竖式计算。
7.9×0.042.8×0.920.3×0.126.1×4.81
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