小學五年級小數(shù)乘除法精選計算題.doc

1、五年級數(shù)學上姓名： 一用豎式計算。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= 1.2

2、58= 0.254= 100.5= 10000.8= 2340.1=4560.001= 48= 612= 315= 300.9= 3.2100=三簡便算法。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 2.5104五年級小數(shù)乘除法計算題復習一、計算題（30分）1、直接寫出

3、得數(shù)。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= 16.510= 0.56100= 3.78100= 3.215100=

4、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=

5、 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、用豎式計算 0.3961.2= 0.7560.36= 15.613=

6、 0.1815= 0.040.12 3.842.6 5.763 0.02514= （保留一位小數(shù)）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 1.08250.120.50.16 4.80.25 0.1251.4 （保留兩位小數(shù)）2.50.7=（保留三位小數(shù)）10.13.3= （商用循環(huán)小數(shù)）10.7512.5= （用乘法驗算）3.259

7、.04= （用除法驗算）3、脫式計算（能簡算的要簡算）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 3.69.85-5.468.053.4+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.

8、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 0.2518

9、5406.80.750.5 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、列式計算1、20減去0.8的差除以4個0.3的和，商是多少？2、一個數(shù)的2.6倍加上9，和是35，求這個數(shù)。（用方程解）3、1.2與4的積，減去6.除以5的商，差是多少？4、2.1除以35的商，加上4.與0.45的積，和是多少？5、一個數(shù)的3倍加上6與8的積，和是84，求這個數(shù)6、4

10、.08除以0.6的商，再乘以5.，積是多少？7、甲、乙兩數(shù)的積是25.2，甲數(shù)是56，乙數(shù)是多少？8、把0.47平均分成7份，每份是多少？9、1.25乘4.2減5，差是多少？10、比4.7的1.5倍多3.05的數(shù)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、脫式計算（能簡算的要簡算）2.57.14 16.129916.12 5.20.90.97.2899+7.28 4.3500.2 642.640.52615.715.724 (2.2750.625)0.283.94+

11、34.30.2 1.2(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小數(shù)乘除法計算題 85.4416 42.847 101.79 67.515 230.21.2436 0.73623 43.512 35.217 39.6.210.03 2101.4 51.30.27 91.23.8 0.7560.660.3 11.971.5 69.62.9 38.40.8 155.62.9 3.771.8 0.0296 5.220.3 9.990.024.670.9 52.44 1.6666.1 9.4320.

12、002 5.66.4.882.9 5.614.3 8.92.4 5.555 9.770.01.3845.1 8.7883 2.661 0.0590.2 4.2681575.7 9.462.85 17.86.4 1.54.9 2.55.5555.2 2.223.33 7.65885 36.020.3 56.78（循環(huán)小數(shù)的用簡便方法，除不盡保留2位小數(shù)）：8.20.12 0.80.9 76.45.4 4.73 1.2513242 14.362.7 8.336.2 1.70.03 2.41用豎式計算0.3961.2= 0.7560.36= 15.613= 0.1815=0.02514= 3.063

13、6= 0.040.12 3.842.6 5.763 7.1522 90.753.3 3.680.16.90.13 1.553.9 3.70.016 13.760.8= 5.20.6 8.41.3 6.40.5 4.480.4 5.255 35.44.2 0.0420.54 0.760.250.046 2.523.4 1.0825 0.120.50. 4.80.25 0.1251.4（保留2.50.7= （保留三位小數(shù)） 10.13.3= （商用循環(huán)10.7512.5= （用乘法驗算） 3.259.04= （用除法驗算） 3、脫式計算（能簡算的要簡算）2.57.14 16.129916.12 5

14、.20.97.2899+7.28 4.3500.2 642.62615.715.724 (2.275 0.625)0.28 3.94+34.30.2 1.2(9.62.4)4.8 8.91.14.7 2.75.43.9 3.69.85-5.46 8.053.4+7.6 6.584.50.9 2.80.5+1.324.90.9 4.84.80.5 (1.250.1254.8100.1 56.59956.5 7.0910.804.85 + 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 （