北师大版四年级数学下册小数乘法专项练习题149.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149.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149
0.52×70+0.52×3012.5×61×0.08
0.83×0.09+0.1×0.046500-0.21-4.79
一、口算。
0.7×6=3×0.2=0.009×10=3.56÷1000=
73.2×1000=0.03×0.6=0.4×30=1.9×0.7=
二、列竖式计算。
3.2×0.042.5×1.28×4.60.89×4.08
0.28×0.092.1×4.80.54×7.50.52×16.2
三、计算。
7.9×41+0.093.5+73×50.26+8.8+2.74
0.7×30+0.7×702.5×6.7×4
9.6×0.6-2.1×0.29200-0.54-2.46
一、口算。
0.6×8=6×0.5=0.4×100=7.92÷1000=
0.838×10=0.4×0.4=0.08×0.8=1.6×0.03=
二、列竖式计算。
4.4×0.90.78×9.82.4×7.17.5×9.25
2.9×0.090.99×0.954.6×60.53×23.5
三、计算。
88×73+1.13.9+0.48×70.16+7.8+0.84
0.68×5.6+0.68×4.4125×0.5×0.02
8.3×0.9-4×0.23700-9.7-60.3
一、口算。
0.1×8=9×0.3=0.003×1000=30.2÷10=
9.1×100=7×0.08=0.2×90=0.14×500=
二、列竖式计算。
4.9×0.090.58×4.54×8.19.6×21.9
7.2×0.74.7×0.270.73×2.23×6.71
三、计算。
18×14+0.110.56+79×0.67.3+5.7+22.7
0.44×53+0.44×47125×6×0.4
0.79×0.09+0.23×0.05900-2.2-67.8
一、口算。
0.7×9=4×0.7=0.005×10=7.74÷1000=
32.3×10=40×0.04=0.002×0.5=1.1×30=
二、列竖式计算。
6.3×0.020.91×2.10.66×4.29.1×3.14
4.6×0.71.2×0.738.1×1.29×87.5
三、计算。
61×0.12+0.059.2+2.6×0.54.9+2+75.1
9.1×4.1+9.1×5.912.5×17×0.04
6.5×0.8+1.9×0.3240-2.7-97.3
一、口算。
0.9×3=8×0.6=0.08×10=0.313÷100=
3.87×100=0.08×0.07=0.3×0.6=0.08×40=
二、列竖式计算。
0.88×0.80.9×0.376.2×0.352×71.4
0.69×0.085.5×0.810.82×9.86.3×75.9
三、计算。
9.3×9.5+0.097.6+82×20.81+0.96+5.19
1.7×9.3+1.7×0.7125×55×0.8
7.4×0.9+1.4×0.27500-2.9-27.1
一、口算。
0.5×9=2×0.7=0.008×10=47.2÷1000=
4.35×1000=0.05×0.07=0.9×0.4=0.03×400=
二、列竖式计算。
0.23×0.076.8×7.70.16×4.23.8×9.82
0.99×0.060.79×2.60.78×0.240.31×8.22
三、计算。
0.1×1.5+0.70.78+74×0.60.35+8.8+1.65
0.63×52+0.63×4825×12×0.8
0.9×0.09+0.36×0.03930-0.92-6.08
一、口算。
0.7×9=7×0.3=0.001×10=46.7÷100=
0.546×100=0.1×0.03=0.04×0.3=1.5×30=
二、列竖式计算。
0.74×0.20.36×0.494×3.73.2×51.7
0.96×0.043×6.35.1×7.72.7×8.77
三、计算。
0.26×2.1+0.088.7+0.14×0.39.1+3.5+30.9
0.72×5.3+0.72×4.70.05×0.84×0.4
7.4×0.5-3.6×0.2750-3.4-96.6
一、口算。
0.8×5=8×0.6=0.04×10=8.93÷10=
4.03×100=9×0.06=0.08×0.04=1.5×90=
二、列竖式计算。
3.7×0.94.9×0.462.8×0.220.76×6.21
6.5×0.030.98×2.77.6×0.210.47×8.2
三、计算。
9.4×0.72+0.070.83+3.2×0.39.9+8.6+70.1
0.37×0.29+0.37×0.712.5×0.87×4
0.83×0.08-0.26×0.047800-0.52-8.48
一、口算。
0.4×2=2×0.7=0.8×1000=9.05÷10=
0.141×100=90×0.9=0.001×50=0.2×0.04=
二、列竖式计算。
4.7×0.020.26×3.74.9×2.54.8×5.42
0.66×0.80.55×0.770.58×0.562.6×9.72
三、计算。
8×0.98+0.120.93+0.76×0.93.1+2.5+16.9
0.81×6.4+0.81×3.60.05×6.3×0.8
0.68×0.08-0.36×0.05360-0.81-3.19
一、口算。
0.8×2=7×0.9=0.08×1000=0.189÷100=
30×100=90×0.08=0.3×50=0.07×400=
二、列竖式计算。
5.2×0.085×9.35.3×1.80.31×7.18
1.9×0.097.7×0.890.26×0.422.7×32.1
三、计算。
7.6×71+0.080.86+46×0.65.9+0.94+64.1
0.73×0.88+0.73×0.125×0.41×0.02
0.54×0.07+0.3×0.03580-2-98
一、口算。
0.5×3=5×0.6=0.5×100=0.08÷10=
1.33×100=0.08×0.5=0.01×80=1.4×40=
二、列竖式计算。
9.9×0.50.24×0.220.21×1.82.2×55.1
5.1×0.080.72×0.795.1×3.80.6×8.12
三、计算。
0.18×0.65+0.53.1+9.1×0.50.72+0.51+5.28
0.61×17+0.61×83125×9.5×0.02
8.2×0.9+4.3×0.4250-3.4-76.6
一、口算。
0.8×3=9×0.5=0.3×100=9.02÷100=
0.97×10=7×0.02=0.002×0.09=1.4×0.03=
二、列竖式计算。
0.48×0.27.1×0.450.5×5.20.64×5.37
2.8×0.031.3×0.413.9×0.846.5×88.1
三、计算。
0.91×0.22+0.126+0.85×0.20.88+3.5+0.12
3.2×5.6+3.2×4.40.25×2.6×8
7.2×0.8+2.1×0.3280-0.47-2.53
一、口算。
0.9×5=6×0.9=0.007×10=14.2÷10=
0.508×1000=5×0.07=0.06×6=0.08×4=
二、列竖式计算。
0.32×0.82.3×9.20.28×0.950.11×36.7
7.5×0.20.59×0.630.34×0.880.17×62.9
三、计算。
35×0.58+0.086.1+9.9×88.4+0.74+31.6
8.5×0.72+8.5×0.280.25×9.8×0.8
0.7×0.08+0.23×0.04780-7.1-82.9
一、口算。
0.6×3=4×0.5=0.04×1000=90.5÷100=
0.2×10=40×0.02=0.002×0.7=0.01×2=
二、列竖式计算。
1.8×0.75×8.40.86×0.790.15×60.7
6.7×0.89.5×0.643.3×7.40.18×9.63
三、计算。
92×0.31+0.063.3+54×80.19+0.51+1.81
7.6×11+7.6×890.25×86×0.02
7.4×0.6-3.4×0.49600-0.81-3.19
一、口算。
0.4×6=8×0.3=0.09×100=0.801÷100=
0.97×100=30×0.03=0.001×600=0.9×8=
二、列竖式计算。
6.9×0.020.82×0.849.4×0.640.52×83.3
0.59×0.043.8×0.60.31×0.670.8×71.9
三、计算。
9.1×6.4+0.070.82+66×90.42+0.92+7.58
8.5×50+8.5×505×1.3×0.8
9.8×0.8+3×0.29100-0.41-6.59
一、口算。
0.5×4=7×0.7=0.09×10=0.689÷10=
49.7×10=0.09×0.02=0.009×0.9=1.7×900=
二、列竖式计算。
6.5×0.080.83×5.30.42×46.8×75.5
8.5×0.026×0.190.51×0.230.38×84.2
三、计算。
0.76×3.5+0.095.3+78×0.70.28+0.8+6.72
5.7×2.1+5.7×7.91.25×5.4×0.2
0.84×0.09-0.23×0.04120-0.9-8.1
一、口算。
0.4×5=7×0.9=0.6×10=7.91÷100=
1.21×10=0.8×0.05=0.09×900=0.11×200=
二、列竖式计算。
6.8×0.73.2×4.60.45×0.880.47×57.6
6.2×0.30.76×0.716.3×3.98.9×52
三、计算。
5×16+0.113.4+0.31×69.5+8.6+20.5
9.8×0.46+9.8×0.542.5×21×0.4
0.66×0.05+0.28×0.057100-4.1-15.9
一、口算。
0.7×8=2×0.8=0.006×10=0.989÷100=
9.75×10=7×0.7=0.007×5=1.8×50=
二、列竖式计算。
6.7×0.26.1×3.48.6×0.470.44×5.74
1.5×0.057.1×0.560.2×3.10.83×39
三、计算。
26×0.52+10.78+51×0.70.73+4.1+6.27
0.68×0.47+0.68×0.531.25×9.6×0.04
0.65×0.09-0.38×0.054700-4.7-95.3
一、口算。
0.9×7=4×0.4=0.9×100=41.8÷100=
0.276×100=60×0.04=0.003×20=0.2×0.4=
二、列竖式计算。
0.86×0.067.4×0.360.76×0.722.4×7.85
0.25×0.040.16×0.27×7.45.4×56.8
三、计算。
1.1×9+0.051.5+66×30.79+0.27+3.21
0.74×92+0.74×81.25×2.3×0.8
0.71×0.05+0.39×0.04650-0.77-5.23
一、口算。
0.8×5=2×0.8=0.06×10=0.113÷1000=
32×10=4×0.07=0.001×0.9=0.16×40=
二、列竖式计算。
8.5×0.75.8×0.650.6×0.996.5×9.69
1.3×0.027.2×0.540.21×0.478.9×84.5
三、计算。
65×3.4+0.99.5+0.15×37.4+0.4+32.6
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