北师大版四年级数学下册小数乘法综合练习题21.docx
- 文档编号:8771078
- 上传时间:2023-02-01
- 格式:DOCX
- 页数:10
- 大小:18.75KB
北师大版四年级数学下册小数乘法综合练习题21.docx
《北师大版四年级数学下册小数乘法综合练习题21.docx》由会员分享,可在线阅读,更多相关《北师大版四年级数学下册小数乘法综合练习题21.docx(10页珍藏版)》请在冰豆网上搜索。
北师大版四年级数学下册小数乘法综合练习题21
一、口算。
0.4×4=3×0.3=0.6×100=0.04÷1000=
6.7×100=0.03×0.8=0.05×5=1.5×0.6=
0.5×5=2×0.7=0.07×100=44.4÷100=
6.37×1000=0.7×0.6=0.09×0.02=1.2×70=
二、列竖式计算。
1.4×0.20.98×9.60.61×4.69×3.73
4.5×0.070.32×0.942.8×7.34.5×1.99
0.78×0.53.3×0.139.7×3.90.81×82.1
3.2×0.30.64×7.73.3×0.356.3×0.92
一、口算。
0.1×8=2×0.4=0.9×1000=76.5÷10=
0.984×1000=9×0.02=0.6×0.08=0.5×40=
0.6×3=4×0.4=0.04×1000=10.6÷1000=
0.883×100=5×0.9=0.005×6=0.2×0.02=
二、列竖式计算。
4.6×0.046.1×0.930.29×6.57×5.07
0.26×0.95.8×0.937.2×0.446.1×2.08
620×0.20.43×90.85×0.369.7×4.79
4.6×0.060.68×4.71.4×0.9150.2×0.37
一、口算。
0.5×8=9×0.2=0.8×1000=28.8÷100=
0.583×100=20×0.05=0.08×60=1.3×0.07=
0.3×4=8×0.9=0.07×10=39.8÷100=
0.046×10=10×0.07=0.004×20=1.5×0.6=
二、列竖式计算。
4.3×0.50.75×3.95.2×0.130.26×16.8
0.22×0.040.45×2.36.7×30.78×68
1.6×0.050.42×6.85.3×0.377.5×7.92
0.15×0.70.69×0.339.8×0.4873.9×8.2
一、口算。
0.1×3=7×0.6=0.8×10=26.3÷1000=
2.42×100=9×0.5=0.003×80=0.12×9=
0.4×9=4×0.7=0.03×10=0.33÷100=
4.95×100=0.06×0.07=0.09×0.4=0.08×40=
二、列竖式计算。
0.58×0.060.19×0.390.89×0.633.1×38.4
0.23×0.70.24×0.130.13×0.550.56×34.2
710×0.040.37×6.20.71×7.36×20.5
3.6×0.090.75×0.530.66×0.939.21×0.94
一、口算。
0.1×4=4×0.4=0.7×100=1.79÷10=
0.355×100=0.02×0.5=0.5×8=0.2×0.08=
0.4×4=8×0.2=0.006×10=0.525÷1000=
0.099×1000=80×0.09=0.03×300=0.03×0.7=
二、列竖式计算。
0.93×0.093.3×0.445×0.30.12×70.1
2.7×0.99.2×6.75.7×5.30.4×44.5
870×0.053.6×0.360.78×0.674.2×2.83
2.9×0.39.7×9.80.24×0.579.39×0.53
一、口算。
0.2×7=5×0.8=0.008×100=94.9÷100=
67.8×100=0.09×0.03=0.5×70=0.06×0.8=
0.7×5=2×0.2=0.009×100=8.1÷1000=
0.117×1000=0.04×0.08=0.01×0.09=0.05×6=
二、列竖式计算。
7.5×0.66.6×7.40.28×0.241.5×48.5
0.72×0.080.9×0.440.16×0.590.96×1.67
0.58×0.061.1×2.98.1×0.720.63×78.1
8.5×0.058.1×5.30.29×5.58.19×0.66
一、口算。
0.2×9=3×0.4=0.001×100=68.4÷100=
9.43×10=0.06×0.3=0.4×200=0.8×4=
0.7×4=5×0.7=0.03×10=6.47÷100=
0.501×100=50×0.07=0.03×0.04=0.12×0.5=
二、列竖式计算。
0.55×0.60.9×3.36.3×0.180.5×40.1
9.6×0.30.14×4.70.76×0.559.2×38.4
4.8×0.42.9×5.94.8×6.30.64×6.12
7.7×0.44.6×0.829.5×0.6474×0.17
一、口算。
0.8×5=3×0.4=0.008×1000=0.499÷10=
0.177×100=0.3×0.09=0.006×0.6=1.8×0.02=
0.8×2=4×0.7=0.02×10=0.707÷1000=
19.6×1000=0.3×0.9=0.8×300=1.4×7=
二、列竖式计算。
7.1×0.090.62×60.93×5.58.4×5.19
0.11×0.058.7×6.80.7×0.130.68×6.34
55×0.070.33×2.53.8×0.410.78×7.53
0.66×0.050.14×5.72.6×1.536.3×0.26
一、口算。
0.8×3=3×0.5=0.05×1000=9.06÷100=
16.3×100=5×0.02=0.3×0.8=0.13×0.09=
0.6×2=2×0.4=0.6×1000=1.66÷100=
0.569×10=0.07×0.7=0.03×900=0.01×9=
二、列竖式计算。
0.66×0.030.79×0.840.74×0.330.99×2.55
0.28×0.71.2×0.551.5×0.820.3×4.82
0.97×0.70.13×0.737.4×0.413.2×19
1.1×0.062.4×3.45.7×6.456.8×0.85
一、口算。
0.5×7=8×0.9=0.08×1000=37.5÷10=
8.32×10=0.4×0.6=0.4×0.5=0.07×0.07=
0.4×3=5×0.2=0.08×100=0.217÷1000=
60.1×1000=10×0.07=0.7×0.6=1.1×700=
二、列竖式计算。
0.44×0.56.6×3.87.9×0.381.3×52
0.46×0.060.61×0.70.26×1.87.4×9.38
26×0.099.2×8.94.5×3.98.4×53.2
0.18×0.080.38×20.3×9.58.27×0.55
一、口算。
0.8×6=9×0.2=0.09×10=0.25÷10=
0.043×1000=9×0.6=0.6×700=1.9×0.7=
0.4×4=9×0.3=0.006×10=0.263÷100=
8.21×1000=0.6×0.02=0.05×0.2=1.1×0.2=
二、列竖式计算。
0.14×0.070.34×4.76.7×0.587.7×52.3
0.71×0.056.6×0.790.27×5.29.5×65.9
9.9×0.38.2×0.593×2.99.9×83.1
5.5×0.70.35×6.80.4×5.540.9×0.25
一、口算。
0.4×6=4×0.3=0.09×10=0.883÷1000=
1.47×10=0.6×0.9=0.02×800=0.5×0.02=
0.7×2=2×0.9=0.001×10=0.575÷1000=
0.657×100=0.03×0.02=0.006×60=0.2×40=
二、列竖式计算。
4.6×0.068.4×0.490.39×0.719.1×9.34
0.35×0.27.1×0.11.6×1.62×3.25
82×0.084.8×2.86.6×0.430.24×54.2
9.7×0.060.9×0.827.5×6.486.3×8.5
一、口算。
0.7×5=9×0.9=0.009×10=2.47÷1000=
37.6×10=2×0.7=0.001×0.06=0.03×90=
0.1×2=5×0.9=0.3×100=0.851÷100=
0.395×10=90×0.08=0.2×50=0.09×0.05=
二、列竖式计算。
0.58×0.040.79×8.44.2×0.210.18×9.56
8.4×0.080.64×0.510.65×2.70.16×86.8
3500×0.062.1×1.60.13×0.660.93×30.8
0.49×0.060.95×0.89.2×3.857.1×0.6
一、口算。
0.2×2=5×0.8=0.02×10=56.1÷10=
1.9×1000=7×0.7=0.003×0.08=0.1×0.8=
0.2×8=8×0.3=0.05×100=1.21÷100=
81×10=4×0.02=0.07×0.8=0.4×0.6=
二、列竖式计算。
0.58×0.040.86×0.812.3×0.539.6×2.94
0.56×0.56.4×0.145.5×4.30.84×9.03
22×0.75.7×7.90.94×1.70.23×89.6
1.9×0.79.6×5.15.9×47.63×2.6
一、口算。
0.8×8=5×0.9=0.8×100=0.189÷1000=
0.256×100=0.8×0.02=0.01×4=0.02×0.02=
0.8×4=4×0.7=0.5×10=39.8÷10=
0.312×1000=0.07×0.3=0.9×0.07=0.13×0.07=
二、列竖式计算。
2.7×0.089.9×6.71×5.73.2×40.9
2.8×0.040.57×0.433.4×0.490.75×6
3.7×0.31×18.3×0.640.96×56.8
5.1×0.090.57×0.444.7×5.66.14×0.2
一、口算。
0.3×7=4×0.6=0.08×10=23.8÷1000=
5.48×100=0.07×0.05=0.02×6=1.1×4=
0.6×4=6×0.7=0.005×100=88.7÷1000=
6.72×1000=0.8×0.4=0.2×4=0.18×7=
二、列竖式计算。
1.1×0.082.3×4.65.8×0.270.18×83.6
0.92×0.079.1×8.30.73×0.590.42×18.7
0.48×0.050.56×0.531.5×0.690.2×95.4
0.67×0.084.8×8.84.7×3.68.28×1.2
一、口算。
0.1×9=6×0.8=0.004×10=69.9÷10=
2.25×100=2×0.04=0.08×30=0.14×40=
0.9×7=9×0.2=0.1×100=0.679÷1000=
0.952×1000=4×0.07=0.5×700=0.6×0.8=
二、列竖式计算。
4.9×0.51×1.90.9×8.70.13×76.8
1.4×0.086×0.940.28×5.25.4×35.1
21×0.50.33×8.37.4×5.30.34×42.5
0.88×0.030.22×0.980.21×0.548.36×7.9
一、口算。
0.4×6=2×0.4=0.001×1000=0.729÷10=
4.54×100=40×0.04=0.7×50=1.5×0.9=
0.2×5=8×0.3=0.5×10=0.177÷1000=
30.4×1000=0.2×0.7=0.006×0.3=1.2×0.4=
二、列竖式计算。
7.5×0.70.11×7.99×0.260.25×4.59
0.66×0.79.1×1.80.88×0.540.1×76.3
750×0.080.62×0.210.87×0.670.18×64.4
0.87×0.80.13×0.680.22×0.569.3×7.8
一、口算。
0.7×2=2×0.9=0.04×1000=55.5÷1000=
5.4×100=3×0.6=0.007×4=1×60=
0.3×5=4×0.5=0.09×100=58.8÷100=
0.502×1000=90×0.07=0.005×800=0.04×700=
二、列竖式计算。
0.96×0.80.34×1.45.7×0.498.8×9.83
2.9×0.069.8×0.95×0.172.5×7.01
5.6×0.60.83×5.35.1×0.780.59×2.77
3.8×0.90.33×5.20.79×0.871.7×0.15
一、口算。
0.2×9=6×0.3=0.07×1000=6.28÷10=
3.41×1000=8×0.3=0.08×6=1.3×800=
0.2×4=2×0.7=0.07×1000=37÷10=
47.1×1000=1×0.8=0.03×60=0.16×90=
二、列竖式计算。
1.6×0.080.62×50.86×0.434.6×41.8
8.8×0.040.7×2.70.69×7.50.37×3.51
0.77×0.32.7×0.970.14×0.429.2×2.84
0.14×0.80.19×8.42.8×0.5753.7×0.96
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 北师大 四年级 数学 下册 小数 乘法 综合 练习题 21
![提示](https://static.bdocx.com/images/bang_tan.gif)