五年级小数计算题.doc

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1、1/252.14-0.9=0.5+7.6=3-2.25=1.57+3.43=0.75-0.38=1-0.2=4.86=0.960.03=18.54-9.9=2.42=480.6=0.240.2=963=0.240.2=4.86=0.960.03=1/262.40.2=4.80.6=9.60.3=3.2424=3.240.24=3.242.4=2.42=480.6=2.40.2=4.80.6=9.60.3=25.86=22.83=5.980.23=19.765.2=3.817=1/273242=246.413=2.170.7=0.40.01=5.3+6.7=5.4-3.6-1.4=300.01=

2、151.5=12.9-8.5=7.20.4=2.81.4=0.43+3.57=0.452.50.81.250.33.60.30.31/28100.070.31.40.0570.920.40.20.260.1440.020.11.20.3=0.20.48.2+1.8100-35.222.342.50.42.450.2243.250.5=1/290.9-0.523.99103.5212.580.90.8=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=1/303.215100=0.810=4

3、.08100=1.10.2=0.60.8=30.9=2.50.4=3.60.4=12.58=500.04=800.3=1.19=0.165=1.78+2.2=9.60.6=1.20.5=1/310.70.01=2.50.4=12-3.9=6.60.66=3.9+2.034.23.51.6+2.40.3=2.14-0.90.30.3=7.2+2.80.90.0110-1.8-7.2=120.3=2.870.71340.960.32/11.50.470.252.50.70.8=8-2.5161.65.61.01=0.36+0.64=64.32164.20.172.80.88.44.213.8+9.

4、92.42.50.050.82.56-0.37122.52/21.2333.21.63.5+3.5319.62=8.82.2=0.7540.50.8=8.40.2=1.60.27.20.3=2.80.30.90.15=1.80.4=5.50.55=0.08100=2.20.11=2/35.46+4.54=12.50.8=0.350.3=1.45=2.84=19.64=22.54=0.3961.2=0.7560.36=15.613=0.1815=0.02514=3.0636=0.040.123.842.6=5.7632/47.1522=90.753.3=3.680.2=16.90.13=1.55

5、3.9=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=0.760.32=0.250.046=2/52.523.4=1.0825=4.80.252.50.7=10.13.3=10.7512.5=3.259.04=12.58.8=0.430.28=6.450.73=4.60.6=8.90.05=3.080.43=1.526.7=5.2229=18.723.6=2/613.953.1=810=10-1.8-7.2=0.43+3.57=2.5412=0.90.8=7.5X-3X=a+3a+7a=1.0510

6、0=10.5=0.963=1.470.7=5.46=1280.4=780.6=9.63.2=2/7650.05=540.12=320.4=360.18=420.003=780.06=450.005=810.03=7.20.002=10001.25=102.5=1200.024=7.55=8.60.002=0.00363.6=8.62=2/82.50.005=0.360.0006=7.52=6.321=8.60.0043=460.0023=8.40.0084=1.283.2=9.80.7=4.60.023=0.0090.005=390.0003=133.0007=5.050.5=1.23=0.0

7、012550=2/95.6700=7600.008=4.3296=4920.004=18.630.03=9.599=13.50.98=0.1-0.047=0.292.9=3.40.2=0.5719=63+124+76=7.0910.8=0.87.09=9.5101=3.810.1=2/107.69101=3.810.1=0.12572=719+7=22.83=5.980.23=19.765.2=3.817=3242=246.413=2.170.7=0.40.01=5.3+6.7=5.4-3.6-1.4=300.01=151.5=2/1112.9-8.5=7.20.4=2.81.4=8+2-8+

8、2=286+198=314-202=526+301=223-99=0.452.50.81.250.33.60.30.3100.070.31.40.0570.920.42/120.20.260.1440.020.11.20.3=0.20.48.2+1.8100-35.222.342.50.42.450.2243.250.5=0.9-0.523.99103.5212.582/135.4-2.5-1.4=2.51.250.32=12-6.2-3.8=（180+20）5=1.7+0.43+3.3=75254=250-2505=70+5050+70=13.7+0.98+0.02+4.3=18.6-3.4

9、7-0.53=72101-72=23528-3528=2.678+787.4=7.26-（5.26-1.5）=8（2.5+0.25）2/141.250.80.5（1.5+0.25）40.120.50.167.2899+7.28=4.3500.2=543618=10245-328=1001-903618=3.85.25+14.5=300-426321=0.810.25+5.96=4031327=（25+4）4=（1.2+1.8）4.5=1025-76832=2/15645-4512=10-2.87-7.13=0.96+9.69.9=40119+284=640+12845=1.2581.25=5.

10、370+4.63=2.57.14=16.1299+16.12=5.0-0.9+0.9=7.2899+7.28=4.3500.2=64-2.640.5=3.94+34.30.2=8.91.14.7=2/162.75.43.9=3.69.85-5.46=8.053.4+7.6=6.584.50.9=2.80.5+1.58=32+4.9-0.9=4.8-4.80.5=（1.25-0.125）8=4.8100.1=56.599+56.5=4.85+0.351.4=0.873.16+4.64=40.50.810.18=4.8（152.4）=2.1308257=2/176.81+6.8199=0.2518

11、540=2.5（3.80.04）=0.2539+0.25=（85.27）1.25=6.81+6.8199=0.2518540=6.80.750.5=3.750.1252.75=1.53+23.47.2=1.2+3.2+0.8=1.22.54=3.01+1.7+0.99=10.666=2.7-2.72.7=2/235.4（0.510.17）=0.7899+0.78=5.4（7.266.05）=8.717.4-8.77.4=12.50.42.58=0.68（5.2-3.5）1.25=（0.25+2.5+25）0.4=5-0.90.2+1.80.5=6.43.28+4.63.28-3.28=12.2

12、7+21（7.3-6.6）2.4=4.40.8-3.40.8=（9.37+9.37+9.37+9.37）2.5=2.376.3+2.373.7=460.33+540.33=1.93+2.7+2.07+7.3=3/22615.7+15.724=（2.275+0.625）0.28=85.07-（15.3-4.8）+5.369=40-（3.5-2.75+0.86）=3725+26867=（32+36045）72=（759033-14）54=412（607-3614）=10.5（5.2-3.5）=（13.8-8.7）0.034=6.25+3.85-2.125+3.875=3.375+5.75+2.25

13、+6.625=2.14.3+5.72.1=3.3750.97+0.976.625=3/96.54+2.4+3.46+0.6=95.61.8+95.68.2=1.54.2-0.750.25=3.274+3.275.7=0.2580-0.450.9=2.4+2.4（5.375-3.375）=7.5-5.713=12.37-3.25-6.75=166.8+2.216+16=58.7-16.653.7=0.44.72.5+（2.3+5.3）=9.31-1.125-7.875=400（0.62+0.08）=1.2（9.62.4）4.8=3/16（8.58-3.69）（3.4-1.8）=1.5（10.03

14、-15.67.5）=30.6（4.50.16）=4.7+3.91（32-29.7）=3.12（0.9+0.70.1）=9.2+9.7283.21.5=2.40.75+1.252.5=（20.20.6-2.12）0.1=（1.50.9+3.65）2.5=8.480.80.9=1010.36（14.40.05）=（25.3-9.7）0.38.5=10.5（5.1-4.4）+18.25=4.11-0.72（3.38-2.13）=3/231025-11254.53.6=（6.8-5.4）2.75-0.9=0.87536+4.058.1=（22725-4.68）0.5=630（2.98+6.50.08）

15、=（21.88+29.8）7.6=（8.1-5.4）3.6+85.7=（3.44+20.50.32）0.16=0.54（8.7+45.3）28.4=0.11+10.8-0.1=（1.25+6.4）-14.882.4=（4.3-2.01+2.2）4=58.8（0.60.7）0.02=10.4-7.79（0.35+0.6）=3/303.6（1.2+0.5）5=13.70.25-3.74=3.61.25+0.320.4=0.8（3.2-2.992.3）=2.5（6+9.7283.2）=5.2（4.60.920.04）=5.4（3.94+0.86）0.8=19.28+1.820.7=10.563.75

16、-3.750.56=（1.50.8-1）0.4=（37.62+20.76）0.042=（17.2-4.53.6）0.32=（6.02+2.8）0.4-2.05=3.27（80.5-9.840.16）=4/6（71.2-71.20.9）0.25=1.08（3.94+34.30.2）=（4.25-4.250.8）1.7=1.465+12.80.47.5=1.52-1.65+5.7=3.8+（24-250.6）=（0.25+0.125）（0.750.4）=20-2.548=（4.8-4.80.5）2=0.8（10.4+0.64）0.92=（25.3-9.7）0.37.6=（4.5+1.36）1.5=

17、58.8（0.60.7）0.02=0.4（3.2-0.8）1.2=4/1316.78-1.61.50.8=（53.73-17.49）（2.6+12.4）=18.64-4.352+20.9=80-8.2（10-7.6）=（9-8.5）（5-4.76）0.1=1.6+8.41.50.18=（1.1-0.78）（2.7-1.95）=（20.20.6-2.80.4=0.06（10.14-0.64）2=17.685.2+2.71.5=19.8+（3.749-0.299）2.3=8.6+15.40.41.4=1.51.2-0.62.4=0.6（6.252.5+0.25）=4/204.321512+5.10

18、.85=5.6（12.5-8.50.85）=8.74-8.7423+7000.03=0.38+9.623.75.4=4.38（36.94+34.30.2）=（5.84-3.9）0.4+0.15=1.6（2.25+27.751.5）=2.021.0270.26）=6.5（10-3.7）+2.98=4.75+8.4（9.2-6.8）=4.5（0.75-0.356）+9.23=5.4+（0.63+1.290.23）=1.465+12.80.47.5=2.98+6.5（3.2-3.12）=4/27（15.6-2.4）0.8+4.32=4.11-0.72（3.38-2.13=（6.8-5.4）2.75-

19、0.9=10.25（1.283.2）=4.78+0.222016=31.7-0.50.7-1.65=10-7.5（6.4-5.9）=（2.95+10.58-1.53）0.25=4.2（6.183.03）+6.3=2.74+6.30.25=7.65885=0.1815=0.02514=3.0636=5/43.70.016=532.07=36.020.3=56.788=1.553.9=16.90.13=0.040.12=3.842.6=1.890.54=7.10.25=22.783.4=70.62=12.250.5=73.50.1=1.6441=1.553.9=5/117.5640.89=0.15

20、2.34=0.48350=7.940.98=56.24.98=36.921.3=1.968.5=80.40.35=6.251.04=0.0560.15=12.54.8=4.228=5.761.3=7.1522=15.613=3.680.25=5/183.70.016=0.45102=2.050.82=6.5090.27=28.44814=32607=28.44814=0.58250=X-0.6=1.2X0.8=2.50.7X=17.512X-9X=8.6X+18=481.2+X=4X-8=2.43（X+2.1）=10.55/252X=6.6X0.3=9X-0.6=1.2X0.8=2.50.7X

21、=17.55X=2.5X0.3=90.5X=11.58X-5X=275X+7=424X+1.25=24.49（X-2.7）=1.83X+5X=3.22.5X-X=66X+18=482X2.8=8.26/10.3X+X=6912X-9X=8.76X+157=141X24=54X+30.7=6.515X-X=283X+1.5X=9X0.51.23（X+2.1）=10.528+X=54.51.4X-0.7X=565X-311=4212（X+3.7）1449X-5X=90.7（X+0.9）=426X-4X20.26/84X+1.25=24.452+X=75X91=1.34X-0.95=1.84.40.

22、8-3.40.8=6-1.64=3.2（1.5+2.5）1.6=6.5（4.8-1.24）=5.38+7.85-5.37=56-1.193-0.43=0.82402=（0.8+8）0.125=1.2550.16=4.299+4.2=0.2350.1516=35（0.352）=6/150.520.40.05=0.922.4-0.422.4=（1.25+0.25）4=2.95101-2.95=4.60.35+4.60.65=23.4-0.8-13.4-7.2=6310.1-630.1=3.141.9+31.40.81=7.310.2-1.46=12.96-（9.6-1.52）=3.63.6+1.4

23、3.6=2.71.5-2.7=3.91.35=18.9-18.91.4=450.090.5=6/2256.599+56.5=（1.25-0.125）8=17.8（1.784）=3.25.6-11.4=4.051.50.03=1.920.12-2.7=4.6+32.559.3=0.84（0.3+0.4）=0.841.70.07=9.4-1.20.6+6.24=3.760.25-0.49=35.6-51.7=15.48（6.34-4.59） =0.412.5（4.2-1.7）2=（6+10.883.2）1.5=20.9+10.5（5.2-3.5）=1.5（6.07+2.53）0.5=0.250.80.1250.4=