小学五年级小数乘除法精选计算题(3).doc

五年级数学上姓名： 一用竖式计算。15.624= 0.13815= 1.3527= 0.41632=2.6880.56= 10.62525= 0.3750.025= 0.160.25=12645= 150.06= 100.004= 2.77.5=25.60.032= 56.2867= 10575= 6.7515=22.44= 1.812= 6.70.3= 2.46.2= 0.560.04= 3.74.6= 0.290.07= 6.58.4=1.823= 0.370.4= 1.0625= 70.86=0.60.86= 270.43= 4.80.25= 1.5105=二口算。0. 825= 1.258= 0.254= 100.5= 10000.8= 2340.1=4560.001= 48= 612= 315= 300.9= 3.2100=三简便算法。2.326.57.686.5 6.3452.546.456.3456.345640.125 1.25640.125 250.3212.5 6.80.5 28.60.5 537.55 416.2425 438.4125 4.540.54200.25 360.5 438.95 3.60.25 0.481.25 96000125 2.40.125 7.22.5 3781.25 2.5104五年级小数乘除法计算题复习一、计算题（30分）1、直接写出得数。0.452.5 0.81.25 0.33.6 0.30.3 100.07 0.31.4 0.057 0.920.4 0.20.26 0.144 0.020.1 1.20.3 0.20.4 8.21.8 10035.22 2.342.50.4 2.45 0.224 3.2500.90.52 3.991 03.52 12.58810 = 10-1.8-7.2= 0.43+3.57= 2.5412=0.90.8= 7.5x-3x= a+3a+7a= 1.05100= 10.5= 0.963= 1.470.7= 5.46= 0.16.510= 0.56100= 3.78100= 3.215100= 0.810= 4.08100= 1.10.2 =0.60.8 = 30.9= 2.50.4= 3.60.4= 40.8=12.58= 500.04= 800.3 = 1.19= 0.165 1.782.2 = 9.60.6 = 1.20.5-0.4 = 0.70.01 = 2.50.4 = 123.9= 1.2581.25 = 6.60.66 = 5.370+4.63 = 3.92.03 4.23.5 1.6+2.40.3 = 2.140.92745673=0.30.3= 7.22.8 0.90.01 120.3= 2.870.71340.960.31.50.4 70.25 2.50.70.8= 82.5161.6 5.61.01= 8（2.50.25）= 8.40.2=0.360.6464.3216 4.20.1 72.80.88.44.2 13.89.92.42.50.050.8 2.560.37 1.250.80.5122.5 1.233 3.21.6 3.53.53= 19.62 8.82.2= 0.754（1.50.25）4 0.50.8=1.60.2= 2.80.3 0.90.15= 1.80.4= 5.50.55=0.08100= 7.20.3= 1.45= 2.84= 19.64= 22.54=2、用竖式计算 0.3961.2= 0.7560.36= 15.613= 0.1815= 0.040.12 3.842.6 5.763 0.02514= （保留一位小数）7.1522= 90.753.3= 3.680.25 = 3.0636=16.90.13= 1.553.9= 3.70.016= 13.760.8=6.40.5 4.480.4 5.255 5.20.635.44.2 0.0420.54 0.760.32 8.41.3 0.250.046 2.523.4 1.0825 0.120.50.16 4.80.25 0.1251.4 （保留两位小数）2.50.7=（保留三位小数）10.13.3= （商用循环小数）10.7512.5= （用乘法验算）3.259.04= （用除法验算）3、脱式计算（能简算的要简算）2.57.14 16.129916.12 5.20.90.97.2899+7.28 4.3500.2 642.640.5 2615.715.724(2.275 0.625)0.28 3.94+34.30.2 1.2(9.62.4)4.88.91.14.7 2.75.43.9 3.69.85-5.46 8.053.4+7.6 6.584.50.9 2.80.5+1.58324.90.9 4.84.80.5 (1.250.125)84.8100.1 56.59956.5 7.0910.80.87.094.85 + 0.35 1.4 8.7 17.4 - 8.7 7.4 12.50.42.58 0.873.16+4.64 9.5101 0.68 （5.2 -3.5） 1.25 40.5 0.81 0.18 4.8 （15 2.4） 213.0.82576.81+6.8199 0.2518540 4.40.83.40.8 (9.37+937+937+937) 25 42.1.1.1.752.376.3+2.373.7 2.51.250.32 3.810.12.5(3.80.04) 7.69101 3.810.1 0.2539+0.25 0.12572 460.33+540.33(85.27) 1.25 6.81+6.8199 0.25185406.80.750.5 3.750.1252.75 1.53+23.47.29.599 13.50.98 12.58.8 二、解方程：54-X=24 7X=49 126X=4213+A=28.5 2.4X=26.4 7.5x3x=1851.3-2x=5.5 24x+6x=63.6 5.6x+4.4x=5.2三、列式计算1、20减去0.8的差除以4个0.3的和，商是多少？2、一个数的2.6倍加上9，和是35，求这个数。（用方程解） 3、1.2与4的积，减去6.除以5的商，差是多少？4、2.1除以35的商，加上4.与0.45的积，和是多少？5、一个数的3倍加上6与8的积，和是84，求这个数6、4.08除以0.6的商，再乘以5.，积是多少？7、甲、乙两数的积是25.2，甲数是56，乙数是多少？8、把0.47平均分成7份，每份是多少？9、1.25乘4.2减5，差是多少？10、比4.7的1.5倍多3.05的数是多少？0.430.28= 6.450.73= 4.60.6=8.90.05= 3.080.43= 1.526.7=5.2229= 18.723.6= 13.953.1=3、脱式计算（能简算的要简算）2.57.1416.129916.125.20.90.97.2899+7.284.3500.2642.640.52615.715.724(2.2750.625)0.283.94+34.30.21.2(9.62.4)4.88.91.14.72.75.43.93.69.85-5.468.053.4+7.66.584.50.92.80.5+1.58