北师大版四年级数学下册小数乘法专项练习题26.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26
5.7×0.58+5.7×0.42125×0.54×0.4
6.8×0.7+1.3×0.29100-0.31-5.69
一、口算。
0.8×3=5×0.8=0.5×10=8.14÷100=
93.3×100=0.05×0.07=0.9×0.02=0.18×0.5=
二、列竖式计算。
0.66×0.50.95×0.950.74×9.60.9×8.84
2.8×0.45.8×0.898.2×1.95.3×35.2
三、计算。
9.8×0.48+0.70.16+95×37+0.74+93
0.13×0.72+0.13×0.281.25×0.41×0.8
7.5×0.5-1.5×0.25500-1.9-48.1
一、口算。
0.1×8=2×0.7=0.005×10=0.178÷100=
96.8×1000=90×0.8=0.09×60=0.08×0.8=
二、列竖式计算。
0.21×0.020.51×0.770.18×0.959.4×3.33
7.4×0.50.81×0.820.91×0.361.2×40
三、计算。
1.6×0.73+0.10.69+63×50.47+0.93+2.53
3.1×54+3.1×461.25×0.31×2
0.93×0.08-0.23×0.043700-0.83-2.17
一、口算。
0.6×3=9×0.9=0.001×1000=0.812÷1000=
0.889×1000=0.02×0.5=0.008×0.02=1.6×5=
二、列竖式计算。
0.28×0.046.1×5.13×0.875.7×4.39
0.49×0.031.2×0.370.92×4.70.74×22.5
三、计算。
5×88+0.080.59+32×70.79+6.9+2.21
7.2×45+7.2×555×4×4
5×0.6+3.6×0.5190-0.72-8.28
一、口算。
0.9×5=3×0.4=0.09×100=35.2÷10=
97.1×10=3×0.8=0.005×0.05=0.1×600=
二、列竖式计算。
6.9×0.087.8×0.10.5×66.5×5.55
0.48×0.20.47×0.570.27×2.41.8×2.31
三、计算。
0.1×0.92+0.50.19+81×0.90.28+0.2+4.72
0.95×6.5+0.95×3.50.25×49×8
7.4×0.9+1.2×0.2490-0.49-0.51
一、口算。
0.8×9=6×0.6=0.002×1000=0.149÷10=
0.445×10=0.03×0.9=0.4×0.7=0.9×40=
二、列竖式计算。
0.75×0.072.7×0.290.13×0.450.4×5.36
0.93×0.070.81×2.85.6×3.82.3×8.2
三、计算。
4.9×54+0.060.17+5.5×0.22.2+0.38+67.8
8.7×93+8.7×712.5×5.4×4
7.6×0.7+4.9×0.5890-2.1-37.9
一、口算。
0.7×7=3×0.3=0.001×100=40.4÷1000=
0.677×100=90×0.07=0.9×60=0.19×0.7=
二、列竖式计算。
3.6×0.090.82×0.980.43×0.385.7×3.36
0.63×0.63.9×4.30.67×0.835.6×7.02
三、计算。
0.72×3.1+0.60.67+0.48×49.9+7+90.1
0.48×66+0.48×3425×0.67×0.8
0.93×0.09+0.17×0.02220-7.1-22.9
一、口算。
0.3×3=9×0.5=0.01×1000=70.2÷10=
31.2×100=30×0.03=0.06×0.06=1.8×600=
二、列竖式计算。
1.7×0.040.82×0.950.61×0.550.28×4.02
0.15×0.037.6×0.690.55×4.79.8×5.06
三、计算。
0.27×0.13+0.080.91+8.4×0.60.28+0.49+9.72
0.43×66+0.43×342.5×66×8
8.4×0.6-3.2×0.41800-0.32-8.68
一、口算。
0.2×7=9×0.4=0.08×1000=0.312÷100=
3.1×10=0.08×0.02=0.03×0.07=1.5×4=
二、列竖式计算。
8.1×0.80.25×2.11.2×0.50.16×8.51
2.1×0.55.6×3.35.3×0.90.45×71.8
三、计算。
31×0.54+0.080.82+41×0.70.53+0.43+2.47
0.14×1.9+0.14×8.15×12×4
5×0.5-2.7×0.43500-2.8-17.2
一、口算。
0.1×9=3×0.3=0.02×100=0.435÷1000=
74.4×10=60×0.04=0.01×0.09=0.03×3=
二、列竖式计算。
9.7×0.80.74×5.70.4×0.630.6×8.98
0.92×0.087.2×8.60.14×8.72.4×78.2
三、计算。
0.48×0.35+0.53.5+3.3×65.5+0.36+14.5
0.84×37+0.84×632.5×0.81×0.08
9.8×0.8+2.7×0.3530-8.4-71.6
一、口算。
0.3×2=3×0.2=0.4×100=0.263÷100=
5×10=50×0.4=0.004×5=0.2×0.2=
二、列竖式计算。
0.56×0.92.5×0.590.6×9.77.9×49.7
0.75×0.92×2.80.49×0.162.2×12.5
三、计算。
6.3×0.6+0.071.9+0.6×0.50.27+4.6+9.73
6.8×69+6.8×310.25×6.3×0.02
0.62×0.06+0.45×0.038100-0.95-3.05
一、口算。
0.7×3=4×0.5=0.009×10=96.2÷1000=
77.7×100=5×0.04=0.01×0.5=0.19×0.09=
二、列竖式计算。
0.24×0.20.93×2.80.17×8.60.58×69.2
0.12×0.69×6.40.65×0.570.57×9.6
三、计算。
1.9×35+1.10.85+42×0.40.49+0.81+5.51
0.9×70+0.9×30125×0.13×0.08
8.1×0.5+3.9×0.5150-1.7-78.3
一、口算。
0.3×5=6×0.7=0.2×100=5.72÷1000=
97.1×100=0.6×0.05=0.005×7=1×0.6=
二、列竖式计算。
0.51×0.080.37×2.30.61×0.684×62
7.8×0.063.6×4.40.68×0.118×79.7
三、计算。
6.9×2.4+0.050.52+83×0.80.19+0.77+5.81
0.81×0.99+0.81×0.012.5×0.96×0.2
8.1×0.7-4×0.52500-5.7-64.3
一、口算。
0.7×7=7×0.5=0.5×1000=0.879÷10=
0.244×10=20×0.2=0.004×0.09=1.2×0.09=
二、列竖式计算。
3.5×0.098.8×0.780.6×2.54.7×2.33
0.36×0.060.82×0.980.86×8.40.34×4.7
三、计算。
43×12+0.80.96+5×0.90.48+0.89+0.52
8.6×0.27+8.6×0.732.5×0.58×0.8
0.67×0.09-0.29×0.034900-0.87-6.13
一、口算。
0.9×2=5×0.9=0.9×1000=66.3÷10=
1.08×10=0.2×0.04=0.3×0.5=0.2×80=
二、列竖式计算。
9.2×0.64.4×0.885.4×5.70.15×16.5
9.6×0.050.34×0.264.3×1.10.69×74.4
三、计算。
89×0.2+0.062.6+89×0.50.38+0.7+1.62
1.5×1.6+1.5×8.4125×6.6×0.04
9.9×0.6-1.5×0.3390-7.9-72.1
一、口算。
0.2×5=9×0.4=0.04×10=17.4÷10=
0.771×100=60×0.4=0.002×7=0.09×30=
二、列竖式计算。
0.93×0.070.57×6.63.1×8.30.7×72.2
0.17×0.061.2×0.860.31×0.939.9×43.6
三、计算。
6.2×14+0.10.29+3.7×0.90.23+2+7.77
6.7×0.16+6.7×0.840.05×0.06×0.08
0.91×0.07+0.13×0.041800-0.54-9.46
一、口算。
0.4×2=2×0.5=0.004×100=33÷10=
0.031×1000=0.05×0.08=0.002×500=0.18×600=
二、列竖式计算。
0.67×0.031.8×0.292.3×43.2×9.16
9.8×0.70.78×0.510.27×5.30.5×45.3
三、计算。
8.4×0.45+0.77.2+18×80.56+8.9+2.44
3.8×27+3.8×730.25×12×0.8
0.55×0.09-0.29×0.03940-0.87-1.13
一、口算。
0.3×5=9×0.7=0.008×1000=0.558÷10=
77.7×1000=60×0.06=0.04×9=0.19×8=
二、列竖式计算。
0.97×0.30.1×0.710.23×0.946.9×6.14
0.98×0.046.4×0.710.61×8.43.9×1.69
三、计算。
4.9×91+0.50.8+31×50.59+7.3+8.41
3.6×27+3.6×730.5×6.6×0.04
0.68×0.05-0.32×0.045800-8.6-11.4
一、口算。
0.9×8=5×0.6=0.2×10=0.251÷10=
94.4×100=0.8×0.4=0.6×6=1.5×4=
二、列竖式计算。
0.77×0.079.9×7.70.47×0.896×9.7
2.4×0.053.6×0.420.48×2.35.9×7.53
三、计算。
43×4.3+0.117.9+79×40.9+9.4+0.1
0.54×9.6+0.54×0.45×0.24×0.04
6.8×0.5-4.6×0.28500-5.9-4.1
一、口算。
0.9×7=2×0.7=0.07×100=0.976÷10=
3.02×100=0.9×0.03=0.08×0.6=0.7×70=
二、列竖式计算。
4.1×0.066×0.748.2×6.27.9×6.74
0.37×0.30.74×0.773.2×0.479.1×8.51
三、计算。
7.9×2.9+0.078.7+0.2×90.4+0.3+6.6
0.69×0.38+0.69×0.62125×4.6×0.4
9.5×0.5-3.6×0.5660-0.32-9.68
一、口算。
0.9×8=8×0.7=0.7×10=18.4÷100=
9.97×1000=2×0.9=0.06×0.4=0.9×0.6=
二、列竖式计算。
1.3×0.080.4×0.20.82×0.696.9×66.1
4.1×0.020.18×0.362.5×0.624.7×4.37