北师大版四年级数学下册小数乘法专项练习题83.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83.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83
0.85×28+0.85×7225×0.06×4
9.2×0.7+1.9×0.3750-0.88-8.12
一、口算。
0.1×3=2×0.5=0.4×1000=0.628÷10=
0.74×10=80×0.02=0.9×8=0.18×800=
二、列竖式计算。
3.1×0.054.6×2.10.9×2.21.6×54.9
0.46×0.050.8×0.551.9×5.60.25×32.2
三、计算。
91×8.8+1.28.8+0.57×0.69.5+6.9+10.5
0.62×9.7+0.62×0.312.5×3.1×0.02
0.84×0.05-0.35×0.05430-0.46-0.54
一、口算。
0.7×7=9×0.9=0.002×10=6.2÷100=
2.24×10=90×0.5=0.2×90=0.4×300=
二、列竖式计算。
0.12×0.080.55×0.964.3×3.83.2×1.08
0.73×0.087.9×9.13.5×0.934.2×75.5
三、计算。
6.2×8.5+0.10.93+28×0.30.11+3.6+2.89
4.2×17+4.2×832.5×75×0.08
6.3×0.9-2.8×0.3760-9.2-0.8
一、口算。
0.5×9=9×0.9=0.05×10=0.404÷100=
6.09×10=8×0.05=0.08×80=0.2×0.08=
二、列竖式计算。
0.82×0.040.58×0.930.8×90.48×62.4
2.2×0.50.95×5.20.64×0.990.86×58.9
三、计算。
12×0.96+1.15.8+6.4×60.99+0.55+9.01
0.55×34+0.55×660.25×0.14×0.4
0.77×0.07+0.33×0.033800-8-2
一、口算。
0.5×5=6×0.2=0.1×1000=24.9÷100=
0.078×100=0.7×0.02=0.7×70=0.09×7=
二、列竖式计算。
0.64×0.43.9×3.70.51×8.30.15×39.8
0.88×0.054.8×4.30.4×9.50.69×1.97
三、计算。
3.6×59+0.80.99+0.33×98.6+8.7+11.4
9.1×2.2+9.1×7.812.5×0.8×0.8
0.91×0.09-0.14×0.036500-5.9-44.1
一、口算。
0.3×6=7×0.9=0.6×10=3.03÷100=
10.7×100=5×0.2=0.009×4=0.1×0.4=
二、列竖式计算。
0.39×0.060.61×0.417.7×0.739.9×32.7
5.8×0.73×0.570.6×2.60.34×30.8
三、计算。
0.02×0.72+0.80.63+0.37×90.18+0.9+9.82
0.39×8.4+0.39×1.60.05×27×0.04
7×0.6+1.7×0.59000-0.81-3.19
一、口算。
0.2×2=8×0.5=0.2×10=62.9÷100=
0.504×10=70×0.2=0.05×60=1.9×50=
二、列竖式计算。
9.7×0.27.9×0.564.1×0.212.3×29.9
9.4×0.080.26×5.50.47×0.280.93×1.46
三、计算。
4.1×7.8+1.14+1.4×30.61+0.19+7.39
0.41×0.83+0.41×0.1725×6×0.08
9.2×0.5+2.7×0.4690-0.72-9.28
一、口算。
0.3×6=2×0.3=0.3×10=32.2÷1000=
80.9×10=0.07×0.3=0.004×0.06=1.6×0.05=
二、列竖式计算。
4.4×0.050.68×2.99.7×0.478.3×2.64
4.9×0.047.6×0.670.36×0.480.94×4.53
三、计算。
0.35×20+0.080.81+0.45×0.72.5+7.5+27.5
0.34×0.41+0.34×0.59125×5.5×0.08
5.5×0.9+1.6×0.45700-2.3-47.7
一、口算。
0.4×2=8×0.3=0.02×1000=5.88÷1000=
1.32×100=0.6×0.6=0.1×2=1.6×90=
二、列竖式计算。
0.32×0.076.9×0.364.7×0.680.78×13.6
2.2×0.30.15×0.150.5×0.743.9×78.9
三、计算。
42×90+0.125.8+1.5×0.72.5+9.9+7.5
0.27×67+0.27×335×0.28×4
0.75×0.05-0.47×0.047400-6.3-83.7
一、口算。
0.5×7=4×0.7=0.07×10=0.585÷10=
9.6×1000=3×0.6=0.001×90=0.13×20=
二、列竖式计算。
0.48×0.33.1×4.70.33×0.190.61×46.8
9.4×0.020.8×2.61.5×0.77.1×9.08
三、计算。
35×0.18+1.15.3+0.88×43.7+0.42+66.3
6.6×0.71+6.6×0.29125×0.8×0.2
0.56×0.06-0.22×0.021800-0.69-9.31
一、口算。
0.4×7=8×0.2=0.9×10=0.476÷1000=
56.6×1000=0.05×0.08=0.5×0.04=0.2×9=
二、列竖式计算。
4.3×0.020.37×0.330.71×0.390.93×24.6
0.58×0.55.4×9.46×0.641.9×2.35
三、计算。
24×0.85+0.074.6+36×0.23.5+6+76.5
0.77×3.9+0.77×6.11.25×3.4×0.8
0.64×0.09-0.45×0.033900-0.65-9.35
一、口算。
0.6×8=3×0.4=0.008×1000=0.048÷10=
0.769×100=0.2×0.03=0.005×800=0.2×0.7=
二、列竖式计算。
0.66×0.040.92×9.22.8×0.482.3×85.5
9.9×0.070.46×5.35.5×6.30.35×8.98
三、计算。
8×0.3+0.66.6+8.2×0.79.9+0.77+70.1
8.6×2.2+8.6×7.80.5×8.3×0.4
6.9×0.8+4.8×0.31800-3.7-46.3
一、口算。
0.4×4=8×0.3=0.08×1000=4.68÷1000=
0.365×1000=9×0.4=0.5×50=1.6×400=
二、列竖式计算。
0.21×0.80.85×0.682.8×0.550.57×2.73
0.31×0.098.2×2.81.8×0.969.6×2.24
三、计算。
78×0.41+10.22+9.3×0.70.2+3.6+5.8
6.4×98+6.4×225×8.9×2
0.67×0.07-0.44×0.02300-5.8-84.2
一、口算。
0.3×6=2×0.9=0.06×10=30.1÷100=
89×1000=30×0.2=0.009×80=0.07×0.07=
二、列竖式计算。
9.1×0.50.83×0.263.2×0.679.1×3.44
0.39×0.60.32×0.591.6×4.90.3×2.02
三、计算。
9.4×94+1.24.2+0.3×30.21+9.3+0.79
0.89×27+0.89×732.5×0.93×0.02
0.87×0.06+0.27×0.02390-0.32-7.68
一、口算。
0.8×3=4×0.3=0.08×100=19.5÷100=
5.7×1000=10×0.03=0.5×0.05=0.8×0.04=
二、列竖式计算。
4.7×0.057.2×0.53.6×0.60.41×8
0.19×0.70.56×0.471.2×0.257.4×9.71
三、计算。
0.4×8.4+0.090.17+0.99×40.35+3.6+2.65
3.4×68+3.4×3225×96×0.8
7.1×0.6-4.1×0.5260-6.1-83.9
一、口算。
0.2×8=8×0.4=0.02×1000=0.18÷100=
9.14×100=0.4×0.03=0.008×0.7=0.07×2=
二、列竖式计算。
0.52×0.68.7×1.60.53×0.470.84×4.84
0.54×0.55.9×7.50.48×3.75.7×3.49
三、计算。
0.9×19+0.077.8+14×67.9+0.65+42.1
0.16×4.7+0.16×5.35×5.3×0.02
7.8×0.6+4.3×0.34600-3-77
一、口算。
0.6×2=3×0.9=0.7×100=8.88÷10=
19.4×1000=2×0.9=0.002×200=1.5×0.08=
二、列竖式计算。
0.67×0.065×0.790.45×28.8×3.57
2.4×0.96.5×44.3×4.20.13×73.8
三、计算。
0.16×0.78+0.062.7+0.94×0.40.95+0.14+7.05
0.37×6.9+0.37×3.112.5×8.4×0.8
5×0.7-1.3×0.2580-0.41-0.59
一、口算。
0.2×6=5×0.2=0.02×1000=70.8÷10=
4.47×10=0.9×0.5=0.1×4=0.03×0.4=
二、列竖式计算。
3.3×0.40.39×0.460.37×9.96.9×7.02
0.91×0.039.6×0.50.68×4.30.71×98.7
三、计算。
78×34+0.18.5+4.8×67.7+0.3+32.3
0.96×0.52+0.96×0.4812.5×7×0.2
0.59×0.07+0.13×0.031100-0.92-0.08
一、口算。
0.6×4=5×0.4=0.4×100=0.072÷10=
9.88×10=2×0.4=0.004×0.3=1.5×800=
二、列竖式计算。
0.27×0.076.5×2.43.3×4.10.54×72.4
1.7×0.040.5×30.62×0.712.3×92.1
三、计算。
0.77×0.67+0.074.1+0.99×40.43+0.62+8.57
0.99×2.2+0.99×7.80.5×9.7×0.8
0.56×0.06-0.12×0.02230-0.19-8.81
一、口算。
0.1×2=2×0.8=0.04×100=8.11÷10=
8.83×10=90×0.3=0.009×0.03=0.01×0.04=
二、列竖式计算。
0.23×0.71.8×3.17.2×0.850.21×78.9
0.68×0.049.3×0.820.83×9.80.25×96.3
三、计算。
0.52×57+0.50.76+7.4×38.8+6.4+31.2
2.1×0.47+2.1×0.535×7×0.4
0.65×0.07-0.41×0.034300-0.21-4.79
一、口算。
0.8×2=8×0.8=0.007×1000=14.6÷100=
17.2×100=0.06×0.6=0.2×0.07=0.16×30=
二、列竖式计算。
8.3×0.047.7×8.80.9×1.73.4×1.91
5.6×0.086.3×0.973.8×3.54.2×92.7
三、计算。
1×9.5+0.50.14+86×90.41+0.31+5.59
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