1、 北师大北师大版版四年级四年级数学数学下册下册第三单元第三单元小数小数乘法乘法计算题计算题精选精选 100100 道道练习练习 ( (1 1) )7807801 1. .2 2= = 7.247.246 65= 5= 5405403.3=3.3= ( (2 2) )4.54.52929= = 86860.85= 0.85= 5.865.8642423=3= ( (3)3)5025023.53.5= = 75750.0.7 75= 5= 2302305 5.3=.3= ( (4)4)8.888.881.3= 1.3= 7.247.240.85=0.85= 5.365.363.3=3.3= ( (
2、5)5)4.524.526 6.3= .3= 7 70 0440.0.1 15= 5.5= 5.25254 4.3=.3= ( (6)6)9.389.382 2.3= .3= 7.7.5 540.40.2 25= 5.35= 5.31 14.74.73=3= ( (7)6.77)6.75.8= 8.245.8= 8.241.85= 2.351.85= 2.353.3=3.3= ( (8)5.88)5.82.23= 6.682.23= 6.681.25= 6.581.25= 6.58205=205= ( (9)6.069)6.066.3= 35.6.3= 35.2 24.8= 4.54.8= 4
3、.53.3=3.3= ( (1 10)690)691.08= 321.08= 320 00.35= 4.80.35= 4.83.06=3.06= ( (1 11)1801)1800.24= 6.240.24= 6.246.5= 4206.5= 4200.33=0.33= ( (1 12)2)0.450.452 2. .9= 869= 860.85= 7.860.85= 7.86423=423= ( (1 13)53)5. .02023.5= 73.5= 7. .5 50.75= 4100.75= 4100.53=0.53= ( (1 14)8.884)8.880.250.25= = 5.255
4、.250.880.88= 5.3= 5.34 40.350.35= = ( (1 15)4.5)4.65658.68.6= = 7 7. .0 0441 1. .5= 5= 6 6. .25254 4. .8 8= = ( (1 16)9.386)9.382 2.3= .3= 9 9. .5 540.40.4141= = 7 7.3.31 14.74.7= = ( (1717) )1.941.942.9= 2.9= 5.855.850.55=0.55= 4.254.2536=36= ( (1818) )2.352.355.8= 5.8= 6.726.720.05=0.05= 4.874.879
5、.6=9.6= ( (1919) )5.325.327.85= 7.85= 9.189.182.3= 6.062.3= 6.0632=32= ( (2 20 0) )8.888.881.3= 1.3= 7.247.240.85= 5.360.85= 5.363.3=3.3= ( (2121) )4.654.650 0. .0 03= 3= 0.6250.6250.85= 0.85= 0.530.533.3=3.3= ( (2222) )5.75.75.85.8= = 7.247.240.85= 0.85= 0.350.353.3=3.3= ( (2323) )5.875.870 0. .2 2
6、3= 3= 9.689.680.0.2 25= 5= 4.584.58205205= = ( (2424) )9 9. .06061 10 03= 3= 8585. .2 20.0.85=85= 25253.3=3.3= (25)(25)35.35.3 37.2= 7.2= 7.147.140.055=0.055= 5.315.313.83=3.83= (26)(26)8.428.425.3= 5.3= 4.054.0523= 8.7823= 8.780.13=0.13= (27)(27)9.569.567.25= 7.25= 3203200.85= 6050.85= 6053.3=3.3=
7、(28)(28)1201201.3= 2011.3= 2010.23= 7200.23= 72033=33= (29)(29)5.325.3213= 13= 1.061.060.80.82 2= = 9.389.382.2.3=3= (30)(30)1.41.45 58.28.2= = 7 76 6150150= = 2202203.3.8 8= = (31)(31)9.389.382626= = 2.52.54 40.85= 0.85= 78785.25.2= = (32)(32)9.59.53.63.6= = 8.88.80.85= 0.85= 2.572.576 6.3=.3= (33)
8、(33)4.574.572.22.23= 3= 7.817.810.630.63= = 8.658.652.42.4= = (34)(34)2.42.46.56.5= = 5.35.30.0.2 25= 5= 7.67.68.8.7 7= = (35)(35)8.58.55 5.3= .3= 6 6.24.240.0.2 25= 5= 1 1.36.368 8.3=.3= (36)(36)4 4.8.82 22 2.3= 73= 7.0 04 40.0.7 75= 5= 6969.36.360 0.3=.3= (37)(37)5 5. .0 08 81.3= 7.21.3= 7.25 55.2
9、5.2= 5.= 5.0 06 63 35 5= = (38)(38)26261.3= 1.3= 58580.85= 0.85= 72723.3=3.3= (39)(39)99992 2.3= .3= 56560.0.1 15= 5= 5 5.36.367 7.3=.3= (40(40) )2.352.357 7.3= .3= 43.243.20.0.6 65= 5= 4.034.035 5.3=.3= (41)(41)4.654.657 7.3= .3= 8.68.60.0.7 75= 5= 3.53.55.35.3= = (42)(42)4.324.327.87.8= = 8.658.650.0.2 25= 5= 5.85.83.3=3.3= (43)(43)4.274.276 6.3= .3= 8.78.70.0.0 05= 5.5= 5.24246 60 0.3=.3= (44)(44)4.0124.0121.3= 1.3= 5.025.020.85= 0.85= 7.247.243.3=3.3= (45)(45)2.52.55 5.3= .3= 4.74.77.87.8= = 5.85.89.89.8= =
