北师大版四年级数学下册小数乘法专项练习题65.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65.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65
三、计算。
4.5×1.6+0.070.38+0.25×80.63+3.6+5.37
2.3×51+2.3×492.5×0.88×0.04
0.61×0.07-0.17×0.039000-0.38-6.62
一、口算。
0.5×6=7×0.4=0.5×10=70.3÷100=
8.2×100=7×0.9=0.07×0.04=0.19×700=
二、列竖式计算。
0.26×0.040.86×1.56×1.78.5×48.4
0.74×0.020.16×40.18×1.60.12×6.12
三、计算。
7.1×4.6+1.26.6+0.65×80.52+0.57+1.48
2.9×0.24+2.9×0.760.5×2.4×0.02
7.4×0.5-3.4×0.4910-0.13-6.87
一、口算。
0.7×4=7×0.4=0.009×1000=8.86÷10=
5.41×100=0.8×0.5=0.6×3=0.09×0.04=
二、列竖式计算。
4.8×0.89.6×0.860.19×3.16×9.44
1.9×0.023.2×0.883.2×0.133.2×62.3
三、计算。
0.42×95+0.92.1+67×60.99+9.9+4.01
9×2.1+9×7.912.5×55×0.8
7.7×0.7+4.9×0.36900-2.5-97.5
一、口算。
0.3×8=5×0.9=0.01×10=0.372÷100=
85.7×1000=0.08×0.09=0.003×0.5=0.15×70=
二、列竖式计算。
0.79×0.54.1×0.80.46×3.70.88×24.3
0.68×0.30.85×3.76.6×8.34.9×6.57
三、计算。
0.94×0.61+0.90.73+96×0.74.7+0.63+35.3
0.64×6.2+0.64×3.812.5×0.41×0.08
0.9×0.08+0.48×0.05590-3-37
一、口算。
0.1×7=8×0.8=0.002×100=51.6÷10=
37.3×100=0.01×0.02=0.3×400=0.03×6=
二、列竖式计算。
8.5×0.89.5×7.64.8×0.230.28×1.61
7.3×0.60.26×2.70.15×0.857.4×3.53
三、计算。
37×0.79+0.74.5+53×0.98+8.4+22
8.7×37+8.7×631.25×62×2
0.8×0.08+0.14×0.02830-0.14-5.86
一、口算。
0.4×7=4×0.3=0.001×100=2.34÷10=
55.7×10=0.07×0.8=0.03×4=0.04×0.9=
二、列竖式计算。
0.36×0.032.9×0.980.64×7.54.2×7.53
0.36×0.68.6×0.920.8×9.10.93×8.12
三、计算。
0.65×0.68+0.090.27+4×50.56+0.78+6.44
8.4×81+8.4×1912.5×1.3×2
5.7×0.5-3.3×0.4730-1.4-8.6
一、口算。
0.3×5=2×0.3=0.06×100=8.1÷10=
0.073×10=0.9×0.06=0.5×90=0.16×800=
二、列竖式计算。
8.6×0.020.39×2.90.15×0.280.23×95.4
5.9×0.035.6×5.60.54×9.20.24×6.24
三、计算。
39×2.5+0.061.3+5.8×0.50.93+0.42+2.07
6.8×1.9+6.8×8.11.25×2×0.8
0.78×0.08+0.18×0.053500-8.1-21.9
一、口算。
0.3×8=6×0.8=0.004×1000=4.6÷10=
5.4×100=2×0.07=0.3×400=0.04×0.08=
二、列竖式计算。
6.9×0.50.33×6.68.1×0.133.6×5.38
0.95×0.50.97×5.70.19×0.40.81×3.58
三、计算。
0.02×1.6+0.070.57+5×20.19+3.9+7.81
0.61×6+0.61×42.5×4.3×0.04
0.9×0.08+0.45×0.049500-5-55
一、口算。
0.1×9=7×0.5=0.2×10=88.2÷100=
0.937×10=0.09×0.06=0.002×0.05=0.16×0.6=
二、列竖式计算。
3.9×0.60.48×0.819.1×6.90.92×27.7
0.13×0.080.43×7.80.4×0.120.15×8.39
三、计算。
0.91×0.69+0.50.37+82×0.60.81+4.2+6.19
0.38×62+0.38×382.5×1.7×8
0.5×0.05-0.45×0.04660-0.33-3.67
一、口算。
0.1×4=9×0.5=0.003×100=55.2÷1000=
8.89×1000=0.9×0.2=0.009×5=1.7×50=
二、列竖式计算。
0.43×0.033.8×5.82.1×0.360.26×54.7
3.8×0.026.3×0.996.4×5.52.7×84.4
三、计算。
9.7×47+0.95.7+29×70.51+3.9+2.49
5.2×0.42+5.2×0.585×32×4
0.93×0.05-0.43×0.04990-0.51-8.49
一、口算。
0.5×3=9×0.2=0.6×100=5÷100=
7.12×1000=0.5×0.08=0.02×90=0.12×0.07=
二、列竖式计算。
2.4×0.030.11×17.7×4.53×4.34
9.9×0.27.2×4.89×7.16.7×6.96
三、计算。
8×17+1.20.33+0.44×0.29.5+0.15+60.5
2×40+2×602.5×99×0.04
0.82×0.09+0.37×0.057700-0.98-2.02
一、口算。
0.5×6=5×0.9=0.5×100=6.3÷100=
89.4×1000=20×0.03=0.007×6=0.3×8=
二、列竖式计算。
1.2×0.72.6×3.74.7×3.46.8×37.8
0.91×0.077.7×3.60.93×0.736.3×3.33
三、计算。
0.17×0.34+0.075.2+0.16×0.30.44+4.7+0.56
8×9+8×15×0.3×0.08
9.3×0.6-2.7×0.54700-0.15-7.85
一、口算。
0.9×9=6×0.8=0.6×10=0.522÷1000=
5×100=9×0.03=0.003×5=0.1×0.3=
二、列竖式计算。
9.5×0.060.36×0.420.41×0.30.41×40.7
1.6×0.73.1×5.60.28×5.92.2×58.9
三、计算。
4×61+0.122.8+88×0.50.37+0.16+6.63
0.5×0.8+0.5×0.21.25×0.5×4
8.9×0.5-1.9×0.43600-0.18-0.82
一、口算。
0.7×9=3×0.4=0.5×1000=7.85÷100=
0.3×100=90×0.8=0.01×0.08=1.1×0.2=
二、列竖式计算。
0.37×0.040.67×0.730.36×0.686.5×50.9
4.6×0.068.7×9.40.47×4.10.15×83.7
三、计算。
0.91×6.2+0.055.4+13×46.9+0.58+73.1
5.4×4+5.4×62.5×45×4
9.2×0.5+2.5×0.32000-0.41-5.59
一、口算。
0.7×6=7×0.6=0.4×100=4.2÷10=
0.135×1000=0.7×0.8=0.02×2=0.4×0.07=
二、列竖式计算。
8.2×0.062.8×1.10.95×0.490.67×5.07
2.6×0.033.7×9.90.76×0.543.3×6
三、计算。
85×0.08+0.054.9+45×53.1+2.5+76.9
6.2×0.59+6.2×0.410.05×0.9×0.8
0.94×0.05-0.47×0.034800-6.5-83.5
一、口算。
0.7×3=7×0.8=0.8×10=0.335÷1000=
33.3×10=5×0.04=0.009×0.08=0.1×0.04=
二、列竖式计算。
9.2×0.040.65×0.778×2.70.47×24
9.4×0.040.75×0.860.79×1.90.12×12.6
三、计算。
0.41×14+13+41×26.8+0.77+73.2
0.78×21+0.78×791.25×8.1×0.04
9.1×0.8+2.7×0.54400-6.6-83.4
一、口算。
0.1×3=4×0.6=0.003×1000=0.77÷1000=
83.9×100=0.1×0.02=0.7×0.2=0.3×9=
二、列竖式计算。
0.18×0.050.46×3.90.38×7.90.85×60.9
0.22×0.070.16×0.634.9×4.60.27×72
三、计算。
11×0.94+0.110.42+4.4×87.7+0.41+72.3
0.87×4.9+0.87×5.125×12×8
9.2×0.7+4.4×0.3580-0.38-6.62
一、口算。
0.8×3=6×0.4=0.08×10=9.08÷1000=
59.7×10=0.3×0.8=0.02×7=1.5×40=
二、列竖式计算。
0.92×0.050.65×6.10.74×1.11.2×6.88
4.8×0.037×0.450.81×7.50.28×4.79
三、计算。
0.11×95+0.80.71+0.22×0.30.85+0.73+9.15
4.4×80+4.4×201.25×0.02×2
0.76×0.06-0.11×0.02160-0.37-7.63
一、口算。
0.5×5=8×0.3=0.9×10=3.54÷10=
6.5×10=1×0.4=0.01×0.9=0.06×300=
二、列竖式计算。
9.5×0.50.3×0.752.9×0.41.9×1.07
8.1×0.50.88×0.960.65×0.562.4×92
三、计算。
61×63+0.115.1+6.2×0.40.81+0.44+0.19
7.1×75+7.1×250.05×0.62×0.08
0.92×0.09-0.22×0.03950-3.7-66.3
一、口算。
0.2×7=4×0.9=0.8×100=0.499÷10=
0.583×1000=0.01×0.8=0.004×5=0.01×0.8=
二、列竖式计算。
0.42×0.28.8×1.77.8×0.518.3×52.5
6.4×0.030.91×0.40.38×0.33.3×69.1
三、计算。
0.36×56+0.095.7+0.11×80.64+0.81+5.36
0.49×71+0.49×2912.5×70×0.4
0.55×0.08-0.33×0.029100-7.2-22.8
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