北师大版四年级数学下册小数乘法专项练习题109.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109
7.4×0.7+1.7×0.22600-0.95-5.05
一、口算。
0.5×2=7×0.2=0.6×1000=6.2÷10=
33.9×10=70×0.02=0.006×800=0.2×0.06=
二、列竖式计算。
0.79×0.50.49×60.78×0.10.67×56.8
7.2×0.35.2×0.480.2×4.49.1×29.9
三、计算。
0.36×9.4+1.20.28+2.3×70.75+7.8+2.25
0.69×24+0.69×760.25×1.3×0.2
7.6×0.5+2.1×0.51300-0.8-9.2
一、口算。
0.4×6=3×0.9=0.9×1000=0.195÷100=
6.78×1000=10×0.8=0.004×0.7=1.3×0.9=
二、列竖式计算。
9.9×0.026.9×0.150.51×0.97.7×2.25
4.8×0.030.29×0.490.5×0.410.85×9.64
三、计算。
5.3×3.4+1.20.56+84×76+0.48+64
0.94×0.35+0.94×0.65125×9.2×4
9.5×0.8-3.2×0.3230-4-96
一、口算。
0.5×7=7×0.9=0.05×10=7.01÷100=
9.83×1000=0.01×0.08=0.08×70=0.6×0.09=
二、列竖式计算。
8.6×0.062.4×8.50.48×3.70.84×2.52
2.4×0.20.19×6.40.62×7.70.77×44.8
三、计算。
4.6×0.44+0.65.1+11×50.85+0.96+3.15
6.7×0.39+6.7×0.612.5×0.97×0.4
0.87×0.09+0.49×0.056100-5.5-54.5
一、口算。
0.6×4=5×0.3=0.6×100=0.356÷100=
28.8×10=10×0.4=0.6×30=0.18×4=
二、列竖式计算。
0.15×0.030.59×1.44.3×0.653.6×8.3
0.64×0.048.2×0.950.95×0.790.63×62.8
三、计算。
6×0.63+0.129.9+0.44×0.78.5+0.79+11.5
0.55×0.45+0.55×0.555×0.09×2
5.7×0.6-4.6×0.55700-3.1-26.9
一、口算。
0.4×3=4×0.7=0.006×1000=0.091÷10=
4.54×100=1×0.03=0.04×0.7=2×70=
二、列竖式计算。
8.5×0.096.1×6.83.5×0.37.2×29.4
0.97×0.98.2×0.281.2×2.70.89×1.63
三、计算。
0.21×0.82+1.26.7+44×0.70.74+0.85+2.26
7×77+7×230.5×1.7×0.8
0.54×0.08-0.16×0.058000-0.55-9.45
一、口算。
0.2×2=5×0.8=0.4×1000=0.122÷1000=
0.278×10=3×0.07=0.09×40=1.1×0.07=
二、列竖式计算。
1.4×0.70.33×0.645.3×0.171.1×93.3
7.7×0.070.97×8.28.1×0.530.46×45.6
三、计算。
9×75+0.50.56+9.3×0.50.57+0.34+1.43
7.5×4.5+7.5×5.51.25×8.8×0.08
0.61×0.07+0.11×0.041500-9-51
一、口算。
0.9×9=5×0.2=0.02×1000=0.31÷1000=
0.601×1000=0.3×0.03=0.008×0.05=0.16×7=
二、列竖式计算。
0.16×0.061.2×50.37×0.781.4×63.7
0.74×0.80.89×6.20.99×0.184.8×2.92
三、计算。
4.9×0.31+1.12+82×34.6+0.29+45.4
0.76×5.2+0.76×4.825×0.36×0.4
5.7×0.8-2.9×0.2830-0.4-1.6
一、口算。
0.2×5=2×0.6=0.004×10=2÷10=
84×10=1×0.04=0.1×400=1.5×0.06=
二、列竖式计算。
3.5×0.060.84×4.60.85×8.11.2×96.8
9.6×0.40.84×5.71.4×0.452.2×8.56
三、计算。
0.1×0.83+0.60.74+91×0.99+0.59+21
6.1×7.8+6.1×2.212.5×17×0.8
0.58×0.05+0.3×0.02900-0.23-6.77
一、口算。
0.8×2=5×0.3=0.007×10=0.801÷100=
59.4×100=9×0.07=0.4×400=0.08×200=
二、列竖式计算。
0.71×0.60.92×8.90.26×81.8×1.07
6.5×0.50.33×0.233.5×0.410.41×58.1
三、计算。
6.9×28+0.118.2+0.48×69.2+1.4+30.8
6.7×0.28+6.7×0.7212.5×0.28×0.4
5.4×0.8+2×0.31200-0.8-1.2
一、口算。
0.4×7=4×0.9=0.8×10=0.058÷10=
8.06×100=0.4×0.02=0.8×800=1.7×900=
二、列竖式计算。
7.3×0.64.3×6.59.3×7.38.7×25.1
3.6×0.51×4.48.8×0.152.3×9.34
三、计算。
63×91+0.64.6+5.6×26.4+0.2+63.6
7.9×0.15+7.9×0.85125×58×0.02
0.76×0.08-0.26×0.02310-9.3-40.7
一、口算。
0.2×2=5×0.4=0.007×10=4.69÷100=
3.11×1000=0.4×0.5=0.08×0.07=0.19×600=
二、列竖式计算。
0.89×0.80.13×2.64.8×0.230.98×1.78
9.9×0.56.8×0.45.5×8.90.81×1.15
三、计算。
0.6×56+1.10.56+0.52×0.40.62+7.9+7.38
0.21×0.54+0.21×0.4612.5×3×0.4
9.3×0.6+3.6×0.49700-0.7-8.3
一、口算。
0.3×4=3×0.3=0.7×1000=5.92÷100=
9.5×100=90×0.02=0.04×0.9=0.12×50=
二、列竖式计算。
0.82×0.070.95×0.210.87×0.450.56×32.8
2.4×0.076.4×9.14.5×2.32.6×23.2
三、计算。
0.1×0.15+0.76.1+8.8×30.2+6.5+8.8
0.18×0.82+0.18×0.18125×48×0.04
0.74×0.09+0.43×0.04270-2.6-57.4
一、口算。
0.6×3=6×0.5=0.05×10=77.8÷100=
0.34×10=0.09×0.06=0.04×0.8=0.03×0.6=
二、列竖式计算。
0.15×0.56.1×0.611.9×2.43.2×6.65
0.52×0.049×0.40.84×1.85.8×6.06
三、计算。
28×76+0.10.9+54×0.97.3+0.43+92.7
0.69×2.3+0.69×7.71.25×0.98×0.8
5.4×0.9+1.5×0.5890-0.5-8.5
一、口算。
0.2×2=8×0.3=0.002×10=3.01÷1000=
73.7×1000=0.04×0.05=0.09×0.4=2×9=
二、列竖式计算。
0.36×0.30.62×10.11×0.413.4×27.4
7.7×0.84.6×0.830.88×1.60.5×9.17
三、计算。
0.48×3.6+1.20.86+1.1×90.93+0.99+5.07
6.3×2.3+6.3×7.71.25×0.72×0.08
5.4×0.6-1.5×0.21800-0.25-4.75
一、口算。
0.4×7=3×0.7=0.03×10=79.5÷10=
0.721×100=0.3×0.5=0.005×80=0.05×2=
二、列竖式计算。
4.2×0.70.33×5.80.25×0.720.44×94.8
0.61×0.30.97×0.654.5×7.49.2×80.8
三、计算。
0.44×0.14+0.70.94+52×59.8+0.27+10.2
0.51×6.7+0.51×3.325×3.8×8
8.1×0.8-4.4×0.39600-0.42-4.58
一、口算。
0.7×8=7×0.3=0.01×1000=9.36÷100=
34.9×10=0.06×0.9=0.9×6=0.18×9=
二、列竖式计算。
6.3×0.70.57×0.45×0.640.88×4.43
0.41×0.080.15×8.88.4×3.28.7×2.19
三、计算。
81×95+0.070.54+0.59×0.61.4+9.5+38.6
0.97×8.5+0.97×1.55×0.7×0.8
8.9×0.8+2.2×0.5490-2.1-7.9
一、口算。
0.5×2=2×0.8=0.006×10=0.854÷100=
4.02×1000=0.06×0.3=0.01×7=0.6×0.06=
二、列竖式计算。
5.4×0.055.6×0.532.2×0.511.4×9.81
1.6×0.050.74×0.514.4×0.746.8×9.62
三、计算。
72×51+0.67.1+60×74.5+0.36+35.5
3×1.9+3×8.10.05×0.95×8
0.71×0.09-0.38×0.032100-2.1-27.9
一、口算。
0.4×7=6×0.5=0.2×100=86.2÷100=
46.3×10=0.06×0.7=0.008×4=0.2×90=
二、列竖式计算。
0.72×0.60.79×0.160.86×0.379.1×6.18
0.88×0.50.72×2.70.51×0.332.4×4.9
三、计算。
2.7×4.4+0.91.8+3×0.90.85+0.97+4.15
6.8×6.4+6.8×3.65×0.17×0.8
5.3×0.8+1.3×0.47700-0.85-7.15
一、口算。
0.3×3=9×0.7=0.003×10=0.973÷10=
0.905×100=6×0.4=0.4×50=1.8×0.09=
二、列竖式计算。
0.78×0.40.82×0.510.95×0.361.4×9.45
5.1×0.75.6×4.20.63×8.48.8×5.35
三、计算。
7.3×0.22+1.19.8+87×0.61.8+0.48+48.2
0.9×0.7+0.9×0.3125×3.4×0.02
0.99×0.09+0.35×0.031900-6.7-83.3
一、口算。
0.1×4=3×0.9=0.1×10=0.784÷100=
6.69×10=80×0.6=0.08×600=0.07×90=
二、列竖式计算。
0.95×0.071.3×0.40.48×0.639.8×5.63
7.8×0.50.1×0.170.9×0.390.31×89.8
三、计算。
0.77×6.1+17.3+5.9×0.99+2.1+71
0.22×0.52+0.22×0.480.05×71×0.8