北师大版四年级数学下册小数乘法综合练习题55.docx
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北师大版四年级数学下册小数乘法综合练习题55.docx
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北师大版四年级数学下册小数乘法综合练习题55
一、口算。
0.5×2=5×0.5=0.8×10=0.867÷1000=
0.858×1000=0.01×0.5=0.07×0.3=0.7×0.02=
0.7×7=4×0.2=0.08×100=16.8÷100=
65.1×1000=40×0.07=0.3×0.09=1.7×30=
二、列竖式计算。
0.46×0.079.9×3.31.2×2.70.85×9.72
0.46×0.79.1×1.88.7×1.30.18×60.8
6800×0.058.4×0.960.66×8.88.7×78.9
0.17×0.60.38×0.246.7×0.1587.7×8.8
一、口算。
0.7×2=6×0.9=0.004×10=60.6÷100=
6.75×100=0.3×0.2=0.003×700=1×6=
0.7×4=9×0.6=0.008×100=8.25÷10=
4×1000=30×0.07=0.008×700=1.1×3=
二、列竖式计算。
5.9×0.35.8×2.35.5×1.79.2×3.77
0.36×0.60.22×0.460.69×4.50.34×82.1
77×0.081×3.97.3×0.775.5×7.63
0.83×0.048.4×3.40.32×0.3952.6×0.75
一、口算。
0.4×5=5×0.9=0.05×1000=33.6÷1000=
8.88×100=90×0.07=0.3×0.06=1.3×0.3=
0.8×2=6×0.4=0.009×100=4.77÷1000=
0.789×1000=0.08×0.7=0.2×0.4=0.03×0.7=
二、列竖式计算。
4.4×0.64.3×0.47.3×6.16.1×9.9
0.87×0.64.7×0.971.3×0.573.7×6.53
490×0.057.7×6.42.2×0.529.5×7.8
0.59×0.30.5×0.38.5×0.9431.2×4.9
一、口算。
0.1×5=6×0.3=0.05×1000=23.1÷100=
16.8×10=80×0.7=0.007×700=0.13×70=
0.9×8=4×0.7=0.02×100=8.67÷10=
0.458×100=0.01×0.4=0.007×400=0.1×500=
二、列竖式计算。
0.46×0.050.5×0.590.51×6.50.2×3.9
0.28×0.60.72×0.461.5×6.78.6×17.3
7.1×0.036.3×0.160.89×3.49.9×61.3
0.66×0.089.5×0.623.4×0.189.66×6.6
一、口算。
0.6×7=8×0.2=0.05×10=0.214÷10=
82.6×10=0.09×0.04=0.006×4=1.1×0.06=
0.6×7=4×0.3=0.03×100=0.473÷1000=
6.31×10=1×0.5=0.07×500=0.2×80=
二、列竖式计算。
5.2×0.060.43×5.25.6×0.856.4×8.78
9.6×0.087.2×8.81.3×5.44.8×35.7
56×0.88.3×0.182.1×30.75×10.1
0.16×0.080.92×0.812×0.853.11×5.5
一、口算。
0.7×3=6×0.8=0.09×10=0.82÷10=
0.332×1000=0.9×0.04=0.02×4=0.7×0.02=
0.3×7=5×0.9=0.04×100=0.75÷10=
56.2×10=6×0.08=0.6×7=0.2×30=
二、列竖式计算。
0.49×0.20.67×5.97.7×0.430.58×4.58
9.8×0.069.6×0.260.21×7.22.4×5.92
580×0.051.3×6.93.5×0.226×8.07
0.27×0.80.43×0.330.38×5.223.4×8.4
一、口算。
0.8×4=3×0.3=0.04×1000=46.1÷10=
66.7×1000=0.2×0.07=0.002×0.7=1.9×50=
0.8×2=3×0.5=0.008×100=0.34÷10=
0.885×100=0.3×0.06=0.8×40=0.11×600=
二、列竖式计算。
4.4×0.93.6×9.80.54×2.17.8×36.7
0.32×0.70.46×0.340.32×2.95.5×55
0.75×0.90.11×1.40.78×0.30.48×35.8
0.76×0.091.2×2.10.1×0.219.48×0.62
一、口算。
0.5×2=3×0.8=0.004×100=87.4÷1000=
4.13×1000=0.6×0.03=0.03×600=0.16×0.04=
0.1×2=9×0.6=0.05×100=36.2÷100=
42.1×1000=0.03×0.4=0.05×0.4=0.1×7=
二、列竖式计算。
7.6×0.070.61×2.92.6×0.373×9.26
6.3×0.040.44×0.110.66×0.590.21×6.83
4300×0.71.4×6.91.4×0.770.49×4.85
3.4×0.077.2×2.40.3×4.928.6×9.9
一、口算。
0.4×7=2×0.4=0.03×1000=44.7÷10=
0.317×100=0.4×0.2=0.2×0.2=0.9×0.08=
0.8×5=9×0.7=0.02×10=0.949÷10=
8.3×100=0.01×0.9=0.8×500=1.9×0.09=
二、列竖式计算。
0.46×0.27.7×0.446.6×0.70.22×24.4
0.84×0.080.11×0.440.44×0.559.8×2.86
0.31×0.74.9×0.833.6×0.784.9×25.6
0.88×0.057.4×0.350.22×5.53.32×1.2
一、口算。
0.9×5=9×0.6=0.1×1000=0.734÷10=
85.9×1000=0.6×0.08=0.009×7=0.6×0.04=
0.4×9=5×0.3=0.05×10=6.71÷10=
0.604×10=0.3×0.7=0.09×90=0.1×80=
二、列竖式计算。
0.91×0.046.3×15.8×0.361.8×5
0.91×0.20.41×6.66.9×0.10.11×84.5
750×0.025.1×0.158.5×4.16.8×5
0.61×0.20.37×0.448.4×0.973.31×9.5
一、口算。
0.1×2=7×0.9=0.9×10=6.26÷10=
65×10=7×0.04=0.006×50=1.1×0.07=
0.8×7=6×0.8=0.7×100=0.454÷100=
3.12×1000=0.02×0.08=0.003×4=1×0.02=
二、列竖式计算。
0.31×0.090.83×0.130.4×7.85.9×97.5
2.1×0.040.36×7.90.76×90.51×87.1
83×0.081×6.50.11×0.898.1×8.45
4.4×0.070.45×0.220.9×0.8695.8×8
一、口算。
0.2×2=3×0.9=0.7×10=43÷100=
80.3×100=0.02×0.4=0.08×3=1.4×5=
0.3×9=4×0.9=0.007×100=0.805÷1000=
88.4×10=0.02×0.07=0.4×700=1.7×6=
二、列竖式计算。
8.7×0.051×0.430.51×0.37.1×74
5.5×0.050.64×8.54.1×6.20.29×41.6
1900×0.060.75×0.878.4×0.160.65×4.27
9.4×0.090.61×6.33.1×7.489.5×5.1
一、口算。
0.4×3=8×0.5=0.04×10=52.6÷1000=
53.3×10=70×0.02=0.5×0.08=0.16×7=
0.2×6=8×0.9=0.09×10=8.76÷10=
0.6×1000=0.07×0.2=0.004×8=0.2×0.7=
二、列竖式计算。
0.33×0.80.64×0.555.5×0.430.11×59.4
3.8×0.020.58×2.89.1×6.70.17×1.44
8800×0.82.6×0.629.8×0.430.27×3.24
0.71×0.87.5×2.37.8×0.798.99×6
一、口算。
0.1×7=2×0.5=0.6×100=96.3÷10=
88.9×100=0.08×0.4=0.4×3=0.13×60=
0.3×5=2×0.4=0.8×10=8.8÷1000=
55.8×1000=0.4×0.6=0.04×300=0.2×600=
二、列竖式计算。
5.2×0.042×0.967.3×0.623.5×4.87
0.51×0.069.8×3.64.1×6.90.18×2.25
4.3×0.40.91×1.90.68×98.5×20.8
0.68×0.092.8×0.287.6×0.9433.5×0.33
一、口算。
0.8×4=5×0.5=0.05×1000=6.65÷100=
0.58×10=20×0.03=0.003×0.6=0.7×0.08=
0.7×8=6×0.3=0.01×1000=95.5÷100=
4.62×100=0.4×0.05=0.07×0.8=0.13×0.6=
二、列竖式计算。
0.21×0.050.97×4.22×78.7×7.63
9.3×0.73×0.70.76×5.88.4×7.38
2900×0.035.2×3.90.88×0.174.7×30.6
0.38×0.67.3×0.330.16×8.11.7×0.45
一、口算。
0.1×4=7×0.6=0.007×1000=7.79÷100=
89×10=0.09×0.09=0.4×80=0.1×0.09=
0.1×7=6×0.4=0.04×10=5.5÷100=
4.37×10=5×0.08=0.004×0.8=0.1×0.8=
二、列竖式计算。
9.2×0.20.71×8.50.89×0.570.24×11.1
0.72×0.090.43×0.330.27×4.63.3×2.3
0.67×0.029.3×4.90.99×8.10.62×6.14
1.5×0.080.53×7.20.37×3.991.7×0.33
一、口算。
0.7×8=2×0.6=0.03×100=4.36÷1000=
3.76×1000=90×0.05=0.02×800=0.9×3=
0.6×8=6×0.2=0.009×100=3.91÷10=
2.15×100=5×0.3=0.009×40=0.1×900=
二、列竖式计算。
0.84×0.86×5.81.4×6.60.25×55
1.2×0.080.97×0.230.75×3.60.72×98.8
9.7×0.060.3×1.26.6×4.90.46×91.1
0.49×0.42.7×0.351.9×0.318.17×0.86
一、口算。
0.3×2=4×0.9=0.004×100=21.2÷100=
62.1×1000=40×0.06=0.006×0.9=0.06×200=
0.7×8=6×0.2=0.07×10=0.8÷1000=
9.79×10=0.8×0.08=0.001×70=0.17×0.08=
二、列竖式计算。
5.4×0.35.3×0.240.36×3.80.85×2.82
6.1×0.93.1×0.235.2×0.70.86×90
4.4×0.80.56×0.110.56×7.93.5×11.9
9.3×0.036.6×0.58.7×0.6751×0.17
一、口算。
0.6×2=2×0.2=0.07×1000=2.98÷10=
0.776×1000=9×0.04=0.1×0.2=0.6×0.2=
0.4×2=4×0.3=0.05×100=3.03÷10=
0.848×100=20×0.7=0.7×4=0.9×9=
二、列竖式计算。
6.7×0.20.96×6.10.74×7.70.34×85.6
2.5×0.50.65×0.490.72×0.526.6×50.4
23×0.80.88×0.992.8×0.720.84×16.4
6.7×0.074.1×1.30.44×0.5475.9×0.58
一、口算。
0.4×3=5×0.4=0.07×1000=5.1÷1000=
0.241×1000=9×0.8=0.04×200=0.11×0.9=
0.1×9=8×0.4=0.09×100=41.5÷100=
0.505×1000=0.2×0.03=0.004×3=0.08×40=
二、列竖式计算。
8.6×0.020.3×3.60.41×7.18.9×34
7.1×0.90.34×3.60.24×2.62.9×6.65
0.37×0.050.94×0.350.56×1.94.6×8.75
7.3×0.090.76×1.91.4×2.370.8×0.13
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