1、小學(xué)四則混合運算100題1 51+（2304-2042）234215+（4361-716）81（247+18）272536-720（36018）1080（63-54）80（528+912）5-617885284138-904264+318-828069 （174+209）26-9000814-（278+322）151406+7359453168-782838+504796-5040（6307）285+（3000-372）361+5/6-19/123x(-9)+7x(-9(-54)x1/6x(-1/3)1.18.1（30.2990.23）12.(6.8-6.80.55)8.53.0.124.80

2、.124.8 4.（3.21.5+2.5）1.6（2）3.2（1.5+2.5）1.65.6-1.64=5.38+7.85-5.37= 6.7.20.8-1.25=6-1.193-0.43= 7.6.5（4.8-1.24）=0.681.9+0.321.98.10.15-10.750.4-5.7 9.5.8（3.87-0.13）+4.23.7410.32.52-（6+9.7283.2）2.511.（7.1-5.6）0.9-1.152.512.5.42.6（3.7-2.9）+0.6213.126（12-7.2）-614.1267.2-6 15.33.02（148.490.85）2.57(5/21+9

3、/714) 50.32.52-（6+9.7283.2）2.50.452.50.81.250.33.60.30.3100.070.31.40.0570.920.40.20.260.1440.020.11.20.30.20.48.21.810035.222.342.50.42.450.2243.2500.90.523.99103.5212.58810=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=40.8=3.215100=0

4、.810=4.08100=1.10.2=0.60.8=30.9=2.50.4=3.60.4=12.58=500.04=800.3=1.19=0.1651.782.2=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=3.92.034.23.5 1.6+2.40.3=2.140.92745673=0.30.3=7.22.80.90.01120.3=2.870.71340.960.31.50.470.252.50.70.8=82.5161.65.61.01=8（2.50.25）0.360.6464.32164.2

5、0.172.80.88.44.213.89.92.42.5 0.050.82.560.371.250.80.5122.51.2333.21.63.53.5319.628.82.2=0.754（1.50.25）40.50.8= 8.40.2=1.60.27.20.3=2.80.30.90.15=1.80.4=5.50.55=0.08100= 2.20.11=5.464.54=12.50.8=0.350.3=1.45=2.84=19.64=22.54= 2、用豎式計算 0.3961.2=0.7560.36=15.613= 0.1815=0.02514=3.0636= 0.040.123.842.6

6、5.763 （保留一位小數(shù)） 7.152290.753.33.680.25 16.90.131.553.93.70.016 13.760.8=5.20.66.40.54.480.4 35.44.20.0420.54 1.3/749/9-4/32.8/915/36+1/273.125/62/934.85/4+1/45.63/83/86 6.4/75/9+3/75/97.5/2-（3/2+4/5）8.7/8+（1/8+1/9）9.95/6+5/610.3/48/9-1/311.75/49+3/1412.6（1/2+2/3）13.84/5+811/514.315/65/6 15.9/7-（2/710

7、/21）16.5/918142/717.4/525/16+2/33/418.148/75/612/1519.17/323/49/24 8.41.35.2550.760.32 20.32/9+1/321.5/73/25+3/722.3/142/3+1/623.1/52/3+5/624.9/22+1/111/225.5/311/5+4/326.452/3+1/31527.7/19+12/195/628.1/4+3/42/329.8/721/16+1/230.1011/51/52131.501604032.120-14418+3533.347+452-41605234（58+37）（64-95）35

8、.95（64-45）36.178-14556+42 37.812-700（9+3111）38.85+14（14+20826）39.（284+16）（512-820818）40.120-36418+3541.（58+37）（64-95）42.(6.8-6.80.55)8.543.0.124.80.124.844.（3.21.5+2.5）1.6（2）3.2（1.5+2.5）1.645.6-1.64=5.38+7.85-5.37=46.7.20.8-1.25=6-1.193-0.43= 47.6.5（4.8-1.24）=0.681.9+0.321.948.10.15-10.750.4-5.7 49.

9、5.8（3.87-0.13）+4.23.7450.32.52-（6+9.7283.2）2.51.（136+64）（65-34523）52.420+580-64212853.（58+370）（64-45） 6.94.83.10.4566.223.785.8）*6 4.025.40.985.171.83.26.48)*6 3.687.562.687.852.340.854.667.2 (6.7513.75(3.7535.61.815.615.89 3.822.90.189.19.64.83.67.140.532.47 5.272.860.661.6313.354.682.6573.81.6413.

10、85.36 47.87.45+8.80.398+0.36+3.6415.75+3.590.59+14.25 66.868.661.340.2516.24(1.250.125)8 3.61023.723.56.283.536.83.96.1 15.613.115.615.62.14.87.8780.52324.90.94.8100.156.59.956.57.0910.80.8725.48(9.40.52)4.23.53201.25818.769.918.763.522.50.43.94.16.15.95.63.59.60.80.44.2994.217.8(1.784)0.491.41.252.

11、5323.6510.115.20.2540.89100.1146.5(2346.5)3.834.563.835.444.3612.589.7999.727.53.77.53.78.542.50.40.651013.20.2512.5(45.932.7)80.1253.140.6831.40.0325.61.250.82.50.47.20.22.41.48.91.017.74（2.81.3）1.52.23.92.73.97.3181.80.1250.812.79.91.2721（9.33.7）5.615.02-6.8-1.025.411-5.4 2.316+2.323+2.39.43-（6.28

12、-1.57）3.654.736.50.374657238613.70.253.742.229.9+6.666.71010.87-0.918710.716.1-15.110.70.791994.8+8.63+5.2+0.375.93+0.19+2.811.76+0.195+3.242.35+1.713+0.287+7.651.57+0.245+7.436.02+3.6+1.980.134+2.66+0.8661.27+3.9+0.73+16.17.54.96.53.070.381.621.293.72.716.382.451.53.251.790.591.7523.40.813.47.20.32

13、4033.20.364.81.641.233.40.236.60.253612.7（3.70.84）36.541.764.540.250.7357.60.80.27.60.851990.258.541.288.60.728.612.50.960.810.49.60.50.8（4.31.25）3.123.129928.610128.30.8615.70.8614.72.41022.311.20.5 147.322.682.648.677.3611.337028 （2.50.25）0.49.161.50.59.163.63.60.563.42.50.44.91.43.9（1.35）（7.71.54

14、）0.72.52.42.74515（0.150.4）0.351.2520.832.40.90.132.4150.25 0.250.0462.523.41.0825 0.120.50.164.80.250.1251.4（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）3.259.04=（用除法驗算）3、脫式計算（能簡算的要簡算） 2.57.1416.129916.125.20.90.9 7.2899+7.284.3500.2642.640.5 2615.715.724(2.2750.625)0.28 3.94+34.30.21.2

15、(9.62.4)4.88.91.14.72.75.43.93.69.85-5.46 8.053.4+7.66.584.50.92.80.5+1.58 324.90.94.84.80.5(1.250.125)8 4.8100.156.59956.57.0910.80.87.09 4.85+0.351.48.717.4-8.77.4 12.50.42.580.873.16+4.649.5101 0.68（5.2-3.5）1.25 40.50.810.184.8（152.4）213.0.82576.81+6.81990.25185404.40.83.40.8 (9.37+937+937+937)25

16、42.1.1.1.75 2.376.3+2.373.72.51.250.323.810.1 2.5(3.80.04)7.691013.810.1 0.2539+0.250.12572460.33+540.33 (85.27)1.256.81+6.81990.2518540 6.80.750.53.750.1252.751.53+23.47.2 9.59913.50.9812.58.8二、解方程： 54-x=247x=49126x=42 13+a=28.52.4x=26.47.5x3x=18 51.3-2x=5.524x+6x=63.65.6x+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