北师大版四年级数学下册小数乘法专项练习题126.docx
《北师大版四年级数学下册小数乘法专项练习题126.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专项练习题126.docx(12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专项练习题126
4.6×0.53+4.6×0.475×30×0.2
0.99×0.08-0.31×0.03500-5.6-4.4
一、口算。
0.3×4=8×0.2=0.6×100=0.303÷1000=
0.414×1000=0.6×0.06=0.9×4=1.6×6=
二、列竖式计算。
0.63×0.75.4×4.42.4×0.355.4×55
0.53×0.30.16×2.27.3×9.99.4×29.5
三、计算。
8.9×0.33+0.98.5+0.82×66.8+0.86+23.2
0.78×27+0.78×735×47×2
0.86×0.05+0.43×0.03640-0.92-4.08
一、口算。
0.6×6=2×0.6=0.3×10=0.907÷1000=
41.7×1000=20×0.5=0.5×300=0.02×50=
二、列竖式计算。
9.7×0.82.8×45.1×1.70.15×1.61
3.6×0.82×97.6×0.754.6×6.97
三、计算。
0.18×50+0.052.9+0.29×0.40.29+3.2+1.71
0.3×3.1+0.3×6.95×18×8
0.55×0.09+0.28×0.045900-0.48-7.52
一、口算。
0.4×4=7×0.4=0.09×100=0.874÷100=
0.583×100=0.2×0.2=0.008×0.3=0.08×0.3=
二、列竖式计算。
0.34×0.065.2×2.29.4×3.55.6×7.15
0.35×0.45.8×7.43.9×0.70.95×6.56
三、计算。
70×2.7+0.087.4+4.1×35.8+9+14.2
4.4×8.7+4.4×1.30.05×30×2
6.1×0.9+1.8×0.37000-0.48-7.52
一、口算。
0.8×3=9×0.3=0.2×10=48.3÷1000=
4.5×1000=0.01×0.09=0.009×0.02=0.03×0.08=
二、列竖式计算。
0.32×0.039.3×0.640.94×0.540.82×19.3
6.8×0.20.43×8.44.2×1.10.83×6.15
三、计算。
70×5.9+0.070.13+7.9×0.43.1+3.1+96.9
0.69×0.37+0.69×0.63125×9.1×0.08
6.3×0.8-3.8×0.28900-0.37-4.63
一、口算。
0.2×9=8×0.5=0.004×1000=0.838÷100=
2.8×100=20×0.7=0.3×50=0.4×0.2=
二、列竖式计算。
9.8×0.89.5×0.460.23×0.990.48×23.4
4.7×0.050.31×0.970.96×7.33.2×42.3
三、计算。
2.4×2.3+0.10.34+35×30.64+0.57+5.36
1.6×5.1+1.6×4.90.25×5.4×0.04
5.6×0.5+4.3×0.5190-0.21-2.79
一、口算。
0.2×3=5×0.7=0.5×10=0.948÷10=
9.62×100=0.9×0.02=0.004×0.08=0.13×0.8=
二、列竖式计算。
0.37×0.21.7×0.796.2×3.70.32×79.3
0.68×0.30.61×0.460.46×6.53.8×3.54
三、计算。
8.8×0.15+0.089.3+2×0.68.2+2+21.8
0.63×0.45+0.63×0.550.05×7.3×0.02
6.9×0.6-2.3×0.49300-3.6-76.4
一、口算。
0.3×5=9×0.7=0.2×100=51.2÷100=
7.09×100=20×0.05=0.01×8=0.15×0.04=
二、列竖式计算。
0.56×0.048.2×3.22.9×8.68.1×75.8
0.73×0.034.7×0.686.9×0.688×58.5
三、计算。
3.1×0.72+1.10.62+68×36.9+0.56+23.1
0.54×3.8+0.54×6.212.5×7.5×0.4
8.8×0.9+1.4×0.37200-5-35
一、口算。
0.9×9=2×0.2=0.08×10=53.2÷1000=
70.5×1000=6×0.06=0.08×0.06=1.2×60=
二、列竖式计算。
7.6×0.030.32×67.9×6.60.8×4.63
9.8×0.20.36×71.8×3.15.6×5.47
三、计算。
0.18×0.6+0.050.18+0.89×28.8+0.18+11.2
7.7×8.1+7.7×1.912.5×0.82×0.08
0.85×0.08-0.32×0.05890-0.36-4.64
一、口算。
0.6×8=2×0.2=0.5×100=7.07÷1000=
0.207×10=30×0.3=0.9×0.05=2×50=
二、列竖式计算。
0.25×0.30.17×4.48.7×1.20.5×77.3
0.91×0.070.36×5.86.6×0.823.7×76.8
三、计算。
9.5×0.79+1.21.7+41×0.78.6+5.3+31.4
0.8×0.98+0.8×0.022.5×0.8×8
8.9×0.5+2.2×0.32400-0.67-3.33
一、口算。
0.7×2=7×0.2=0.02×1000=21÷100=
3.7×10=70×0.9=0.05×800=0.09×0.09=
二、列竖式计算。
3.7×0.069.5×0.950.62×5.42.4×7.09
5.8×0.98.3×5.38.2×0.548.9×94.6
三、计算。
0.41×2+0.116.4+42×87.5+0.33+22.5
0.48×5.7+0.48×4.312.5×0.51×0.04
9.4×0.6+2.4×0.2620-2.5-27.5
一、口算。
0.5×5=3×0.4=0.04×10=15.1÷10=
0.799×10=0.05×0.7=0.008×0.8=0.16×80=
二、列竖式计算。
0.56×0.090.95×8.58.3×0.558.1×8.62
0.75×0.090.11×0.970.3×10.62×8.63
三、计算。
0.74×5.9+0.90.68+1.5×60.55+8+9.45
0.65×0.2+0.65×0.82.5×9.7×0.8
8.9×0.8+3.1×0.5390-8.1-51.9
一、口算。
0.7×7=7×0.4=0.06×10=0.079÷10=
98.6×1000=0.06×0.09=0.8×0.09=1.6×0.8=
二、列竖式计算。
0.74×0.070.49×5.91×0.350.68×87.4
0.41×0.024.6×4.20.64×1.40.65×5.63
三、计算。
0.4×6.5+0.68.6+1.9×35.2+0.99+94.8
0.54×0.34+0.54×0.6625×0.01×0.8
7.9×0.5-2.1×0.25200-0.58-8.42
一、口算。
0.5×5=2×0.8=0.06×100=0.679÷1000=
89.3×1000=10×0.5=0.4×0.05=2×0.02=
二、列竖式计算。
5.1×0.70.45×7.56.6×9.55.4×74.5
0.39×0.20.14×0.925.1×0.375.9×94.9
三、计算。
6.4×5.4+1.10.56+0.23×88.6+6.2+11.4
0.36×65+0.36×352.5×43×0.02
5.1×0.6-3.4×0.38200-7.9-12.1
一、口算。
0.3×5=9×0.2=0.09×1000=0.547÷1000=
0.897×100=20×0.4=0.5×90=0.8×300=
二、列竖式计算。
1.5×0.20.38×0.920.17×2.82.8×28.6
1.8×0.40.43×0.391.5×0.796.9×8.14
三、计算。
3.6×9.8+0.070.51+0.86×65.5+5.5+74.5
0.18×0.95+0.18×0.052.5×0.3×8
7.8×0.9+1.5×0.3650-0.98-6.02
一、口算。
0.7×9=4×0.2=0.03×100=88.8÷10=
0.137×100=10×0.05=0.3×200=0.16×60=
二、列竖式计算。
1.4×0.70.99×0.947.8×6.50.96×53.6
7.9×0.22.5×0.970.22×0.170.84×75.8
三、计算。
0.13×6.2+0.50.7+6.9×79.2+2.7+20.8
0.36×65+0.36×350.25×0.35×8
8.3×0.5-1.8×0.2910-7.3-62.7
一、口算。
0.3×3=2×0.8=0.9×100=3.16÷100=
0.481×100=5×0.05=0.002×0.3=0.05×0.3=
二、列竖式计算。
0.34×0.90.25×4.20.36×3.93.5×36
7.3×0.030.33×4.45.3×67.4×8.87
三、计算。
8.5×0.92+0.51.6+55×90.13+0.32+9.87
7.3×8.2+7.3×1.825×0.47×4
7.5×0.6+1×0.46700-0.17-3.83
一、口算。
0.4×8=4×0.3=0.001×1000=3.71÷10=
62.9×10=0.01×0.02=0.008×0.09=0.06×40=
二、列竖式计算。
0.94×0.064.8×4.30.41×0.726.7×74.6
0.92×0.057.1×0.660.49×4.53.2×49.2
三、计算。
55×5.3+0.114.8+15×80.83+0.16+5.17
2.5×24+2.5×762.5×84×0.02
0.95×0.08+0.13×0.026200-8.1-91.9
一、口算。
0.2×2=2×0.6=0.002×10=9.7÷10=
64.5×100=0.6×0.5=0.5×30=0.19×500=
二、列竖式计算。
0.14×0.020.85×0.32.3×0.766.1×21.8
0.26×0.20.63×0.10.73×1.21.4×80.4
三、计算。
67×4.6+0.070.11+2.9×26.6+4.6+83.4
0.16×37+0.16×630.25×69×0.04
0.65×0.08+0.48×0.03880-2.3-87.7
一、口算。
0.9×6=4×0.9=0.4×10=0.077÷100=
9.51×100=0.9×0.7=0.09×60=0.01×0.03=
二、列竖式计算。
5.1×0.83.6×0.114.5×0.384×77.9
0.56×0.059.8×8.16.3×0.259.1×55.5
三、计算。
69×82+0.060.25+43×0.73.7+2.3+66.3
8.7×44+8.7×5625×0.1×0.04
0.72×0.06-0.28×0.053700-4.7-95.3
一、口算。
0.9×8=2×0.9=0.05×1000=4.85÷10=
4.66×1000=0.2×0.2=0.009×40=0.17×0.08=
二、列竖式计算。
5.3×0.33.7×0.253.7×0.343.8×83.5
9.8×0.042.2×0.916.8×0.844.2×18.3