北师大版四年级数学下册小数乘法综合练习题118.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118
一、口算。
0.9×8＝7×0.8＝0.1×100＝6.92÷10＝
4.81×1000＝0.09×0.7＝0.001×60＝1.1×2＝
0.1×9＝5×0.2＝0.004×1000＝9.28÷10＝
0.607×100＝4×0.07＝0.01×0.04＝0.07×8＝
二、列竖式计算。
9.2×0.070.11×0.990.28×9.20.97×5.1
2.8×0.79.3×3.18.5×0.510.57×6.74
4100×0.025.7×0.733.2×0.920.2×3.14
0.83×0.30.27×3.50.19×3.744×0.81
一、口算。
0.8×8＝7×0.9＝0.05×100＝87.3÷100＝
48.4×100＝7×0.5＝0.003×20＝0.16×600＝
0.2×6＝6×0.9＝0.8×100＝0.237÷10＝
8.8×10＝4×0.9＝0.05×0.07＝0.9×0.02＝
二、列竖式计算。
0.74×0.20.85×0.450.46×0.360.78×39.2
0.54×0.45.7×49×0.523.8×8.79
0.77×0.050.28×0.17×0.28.9×5.24
0.24×0.31.2×1.20.47×1.211.6×0.93
一、口算。
0.8×3＝6×0.3＝0.002×1000＝53.4÷100＝
5.98×1000＝5×0.5＝0.05×700＝0.5×0.7＝
0.8×7＝3×0.4＝0.007×1000＝42.2÷1000＝
16.6×10＝2×0.08＝0.09×0.7＝0.18×0.07＝
二、列竖式计算。
0.42×0.50.61×8.20.84×0.730.78×9.22
8.5×0.80.67×39.5×0.710.35×39
340×0.74.1×0.830.21×0.722.9×83.7
0.99×0.076.2×0.279.2×0.716.85×2.8
一、口算。
0.7×4＝7×0.5＝0.02×10＝30.5÷10＝
0.909×100＝4×0.2＝0.004×0.02＝0.18×40＝
0.6×4＝6×0.8＝0.02×10＝2.52÷100＝
0.902×10＝50×0.2＝0.007×200＝1.2×0.09＝
二、列竖式计算。
0.43×0.98.1×0.541.2×0.776×5.14
0.94×0.70.87×0.887.9×4.50.12×25.5
4.4×0.50.59×0.240.77×7.30.1×59.9
4.6×0.080.15×0.930.28×0.315.43×2.6
一、口算。
0.8×8＝2×0.4＝0.001×100＝6.37÷1000＝
0.147×10＝80×0.05＝0.6×0.06＝0.18×6＝
0.9×8＝4×0.5＝0.009×10＝1.6÷1000＝
69.1×100＝0.8×0.04＝0.7×400＝0.1×0.4＝
二、列竖式计算。
0.71×0.030.94×1.56.8×1.76.2×4.13
0.73×0.70.44×0.127.2×3.79.4×50.9
570×0.026.7×6.26.8×0.69.7×79.7
2.6×0.088.4×0.743.3×1.585.9×0.43
一、口算。
0.7×9＝4×0.8＝0.4×10＝9.3÷10＝
8.93×1000＝0.8×0.03＝0.09×0.7＝0.1×0.6＝
0.6×5＝2×0.3＝0.06×1000＝1.38÷10＝
1.48×1000＝0.4×0.9＝0.007×0.08＝0.1×0.9＝
二、列竖式计算。
0.95×0.090.62×9.91.7×3.39.7×46.2
0.43×0.20.76×0.377.4×7.20.23×37
0.28×0.91.9×0.450.68×0.250.76×57.6
0.77×0.030.22×0.777.3×0.791.99×0.49
一、口算。
0.2×3＝2×0.6＝0.2×1000＝2.73÷100＝
26.3×10＝40×0.08＝0.03×0.08＝1.9×5＝
0.4×2＝2×0.7＝0.008×1000＝0.596÷100＝
0.92×1000＝0.05×0.06＝0.8×5＝0.04×0.09＝
二、列竖式计算。
9.1×0.40.66×7.20.35×2.50.16×7.77
6.2×0.040.56×7.55×10.23×86.2
420×0.92×50.98×0.210.34×4.81
1.7×0.090.67×0.945.4×0.9964.6×0.25
一、口算。
0.5×4＝6×0.4＝0.08×100＝0.717÷1000＝
4×100＝70×0.07＝0.9×70＝0.15×500＝
0.9×9＝6×0.8＝0.4×10＝49.3÷1000＝
6.07×100＝80×0.3＝0.007×7＝0.07×6＝
二、列竖式计算。
9.8×0.63.2×2.62.8×4.42.8×6.88
0.49×0.76.9×3.40.52×0.128.4×4.85
0.89×0.024.9×0.59.1×8.75.4×56.7
0.25×0.46.8×1.90.13×279.4×9.2
一、口算。
0.6×2＝3×0.7＝0.008×1000＝0.094÷10＝
63×1000＝0.01×0.6＝0.02×60＝0.8×0.05＝
0.3×5＝9×0.6＝0.01×10＝97.3÷1000＝
0.27×100＝70×0.02＝0.007×800＝0.05×0.08＝
二、列竖式计算。
0.72×0.50.93×0.690.21×0.820.53×8.76
0.94×0.050.49×0.560.18×0.440.62×3.22
88×0.054.3×0.859.5×79.6×67.6
0.97×0.99.8×4.30.97×8.83.59×0.69
一、口算。
0.4×2＝6×0.4＝0.5×1000＝0.715÷10＝
2.21×10＝20×0.6＝0.05×400＝1.8×40＝
0.6×8＝4×0.7＝0.3×100＝93.3÷10＝
1.68×1000＝10×0.2＝0.3×0.09＝0.12×0.7＝
二、列竖式计算。
6.1×0.084.3×0.160.47×7.60.36×5.85
0.82×0.46.4×4.30.27×6.40.83×6.21
550×0.53.2×3.80.52×4.15.3×6.56
0.79×0.40.13×9.56.5×1.581×0.82
一、口算。
0.3×9＝2×0.8＝0.002×1000＝0.111÷100＝
0.271×10＝0.08×0.3＝0.01×600＝0.1×30＝
0.3×8＝2×0.9＝0.003×10＝0.641÷100＝
7.98×100＝0.02×0.03＝0.05×0.4＝0.01×80＝
二、列竖式计算。
7.2×0.076.7×0.210.3×0.240.24×57.5
0.48×0.52.3×5.40.56×9.80.6×7.47
7.9×0.65.9×0.657.8×6.86.8×3.44
0.68×0.82×0.650.41×9.860×1.1
一、口算。
0.2×4＝2×0.9＝0.08×100＝1.18÷1000＝
0.298×100＝1×0.07＝0.07×0.07＝0.17×2＝
0.1×7＝7×0.7＝0.09×1000＝36÷1000＝
21.5×10＝50×0.02＝0.7×7＝0.09×0.2＝
二、列竖式计算。
0.93×0.90.39×0.710.27×3.30.28×76.6
0.76×0.040.71×0.643.8×0.150.44×20.5
8100×0.082.5×7.1
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