小学四年级口算总汇练习题

1、口算23×40=39÷3=1300×50=2732=54÷3=24×20=200×48=4827=18×30=32×3=530+280=4500×20=60÷30=48÷16=9200÷400=7315=70×50=12×8=840÷21=120×600=250÷50=27×3=180×500=200×360=14×60=56÷14=8000÷500=6800

2、5;400=80÷40=24÷8=1900÷20=280+270=18×50=14×2=200×160=4×2500=16×30=83 45=8700÷300=6000÷40=4200÷30=560÷80=300×330=5×1280=6×1300=96÷24=3×1400=310 70=160×600=40÷20=7000÷14=400×14=20×420=40×3

3、0=600÷12=5600÷700=290×300=37 26=9600÷80=4800÷12=8100÷300=76 39=140×300=3500÷7=7600÷200=60559=8800÷40=520+490930-660=30×23=9600÷800=450 907600÷400=12×8=750290=80330680+270=125×8=15×5=70×700320x5=48×20=23×3=

4、7000÷70120x8=6600÷600=12×2×5=4000÷809x470=390+140=480÷80=2400÷200310x5=11×80=16×5=420 906x150=24×50=27×3=170 320390x5=3600÷400=90÷15=1000512x570=4000÷50=48÷4=520 2606x270=4.8-2.5=470+180=910 190270x2=700x8=1000÷25=35

5、5;2008x490=4x280=18.3-3.7=22×2007x250=6x660=980÷14=8800÷4007x320=2x880=53070=9300÷300770x2=6x230=42090=6×3002x330=8x800=9600÷30=1800÷2004x520=7x210=7×700=9300÷30410x9=860x6=203+98=280÷40730x4=6x930=1800÷300=304 199680x3=480x9=240+570=390÷26

6、2x180=6x280=4800÷400=1250÷50550x6=240x3=370+580=21×406x970=7x130=580-490=6600÷2202x840=2x450=910370=760 198770x5=9x390=250×8=660 220970x5=9x780=270190=5000÷505x370=270x5=360×2=100×91620x8=5x690=75÷25=753 299990x6=790x6=330÷11=7000÷704x780=720x9=

7、6×800=200÷40940x6=8x920=5400÷9=180÷30=860÷20=4x980=420÷ 60=240÷40=680÷20=340x7=9×800=35×2=300÷60=4x710=3×330=140×7=900÷10=8x730=300×7=13×6=900÷20=900x2=9×500=280×3=770÷10=170x9=390÷13=350×2=

8、690÷30=9x970=6300÷700=50×11=990÷6=4x590=370560=250×6=950÷50=3x860=530÷10=7200+900=60÷30=290x4=300÷50=410-201=260÷10=7x630=850÷10=125×8=540÷60=960x7=960÷6=48×20=580÷10=860x9=990÷90=6600÷600=260÷20=8x680=210

9、÷10=390+140=680÷20=340x2=300÷50=11×80=300÷60=5x490=960÷80=24×50=900÷10=5x500=180÷90=3600÷400=900÷20=6x470=300÷50=4000÷50=770÷10=560x3=960÷80=530 70=690÷30=5x300=180÷90=420 90=990÷6=5x180=980÷70=9600÷3

10、0=950÷50=8x300=240÷80=7×700=360÷60=820x8=280÷40=203+98=470÷10=9x150=980÷70=1800÷300=1000÷10=140x7=400÷80=240+570=540÷90=3x420=970÷10=4800÷400=40÷20=480x6=270÷30=370+580=60÷20=530x4=1000÷50=580 490=90÷10=390x2=4

11、00÷80=910 370=140÷20=810x8=970÷10=25×8=270÷90=8x180=270÷30=270 190=630÷70=2x950=1000÷50=36×2=270÷90=670x9=670÷10=75÷25=250÷50=360x9=180÷30=330÷11=490÷70=400x9=220÷20=6×800=420÷70=2x760=490÷70=5400

12、7;9=40÷10=9x350=350÷10=420÷60=90÷10=430x8=990÷10=9×800=100÷20=670x6=860÷20=3×330=20÷10=850x4=960÷30=300×7=200÷50=320x3=880÷40=9×500=630÷70=3x550=480÷20=390÷13=420÷60=4x330=670÷10=6300÷700=270

13、7;30=980x9=180÷30=5600÷700=720÷90=560x6=220÷20=4800÷12=30÷10=940x8=490÷70=3500÷7=320÷40=920x7=350÷10=370 560=300÷60=7x510=990÷10=520 490=80÷20=200x2=350÷50=450 90160÷80=480÷60=360÷90=8033040÷20=80÷40=140&#

14、247;20=70×700560÷80=720÷60=450÷90=630÷90=840÷30=160÷80=140÷70=60÷10=680÷40=680÷40=160÷20=270÷30=822÷6=822÷6=420÷60=320÷40=380÷20=380÷20=7000÷70450÷90=300÷50=620÷10=4000÷8080÷2

15、0=850÷10=300÷50=2400÷200=40÷10=960÷6=140÷70=42090270÷30=540÷60=300÷10=170320630÷70=720÷90=940÷10=520260=140÷20=150÷30=360÷40=910190=540÷60=810÷90=400÷50=160÷40=620÷20=630÷70=360÷60=240÷

16、40=240÷80=100÷20=40÷20=180÷60=400÷40=720÷90=720÷80=630÷70=630÷30=240÷80=480÷80=540÷60=950÷10=60÷10=350÷70=360÷30=740÷10=150÷30=70÷10=400÷50=840÷30=450÷90=100÷50=180÷90=990÷90=

17、360÷90=640÷80=180÷30=210÷10=210÷70=80÷40=400÷50=240÷60=320÷40=100÷50=570÷30=450÷90=450÷90=200÷40=900÷30=420÷60=160÷40=300÷60=420÷70=360÷40=360÷60=140÷70=960÷60=200÷40=180÷90=5

18、40÷90=420÷60=300÷50=150÷50=9300÷300=900÷50=210÷70=320÷80=6×300420÷10=360÷40=5×490=1800÷20010063753 299760×20=9300÷3075÷1517×407500÷500=280÷404.4+15.99=410-201=370×200=30419988-69.21=35×200650

19、7;13=390÷2663.1-11=22×20086004200=1250÷500.48+0.52=8800÷400=240×4=21×401-0.98=8.16+3.7=640÷80=6600÷220=3.7+4.8=0.33+9.8=15×10=760198=8.36+0.64=5000÷50160×30=6602203.6+0.87=100×91250×6=7200+900=5.7+8.4=7.1-4.3=1.5+8.5=4.4+1.7=1.7+4.5=1.

20、7+7.2=5.4+8.2=0.8+2.3=6.7+4.2=6.8+9.1=3.6+1.8=3.5+4.4=1.6+8.0=3.4+5.5=3.3+7.9=15.7+0.3=3.5+6.7=0.8+5.1=2.4+6.8=1.7+4=8.9+9.4=3.4+1.8=8.1+7.9=7.2+1.5=1.3+5=1.1+3.5=14.3+1.4=2.1+6.2=3.2+2.1=4.6+8.1=9.2+1.3=5.6+2.3=5.7+8.5=4.5+1.2=1.6+3.9=2.5+4.5=0.8+5.4=9.0+7.6=1.8+7.4=3.8+0.5=1.4+6.2=1.9+3.4=15.4+3.6

21、=1.3+6.7=2+3.3=4.5+5.5=0.4+1.6=0.6+2.5=5.5+6.0=5.6+5.4=2.8+3.6=3.2+2.1=5.2+4.8=7.3+1.7=3.6+4.7=3.6+4.2=4.1+2.8=0.9+3.5=6.5+1.9=4.3+5.6=3.2+3.3=5.3+6.4=0.6+0.7=2.4+4.0=6.4+2.9=4.6+7.8=1.5+3.8=1.3+2.1=3.4+1.6=1.2+4.3=6.2+9.9=2.8+3.5=5.2+4.8=4.2+2.1=11.5+11.4=4.6+2.1=8.1+2.1=3.7+3.2=0.8+3.4=1.2+1.6=0.8

22、+1.3=1.4+2.4=7.5+7.1=10.2-6.2=1.5-0.8=8.1+0.5=0.7+4.3=6-0.4=5.1-3.4=0.3+3.2=5.1+0.5=8.3-7=3.4-2.3=9.8-5.4=5.3+5.1=4.7-4.3=6.7-3.1=8.4-4.2=7.8+2.4=8.2-5.2=8.3-3.3=3.8-0.2=4.5+7.1=2.6-0.8=8.8-3.2=7.9-0.1=4.1+7.2=4.7-2.5=12.3-4.5=6.7-6.4=0.9+0.6=8.4-0.6=5.1-0.9=1.2-0.9=9.7+8.6=5.7-3.7=1.2-0.3=1.4-0.7=8

23、.6+4.3=1-0.9=4.2-0.1=3.4-1.2=0.9+4=3.5-1.3=7.8-3=5.3-3.2=2.6+3.5=3.5-3.4=2.2-0.6=5.1-2 =6.7+1.4=9.7-5.4=8.9-5.4=6.7-3.4=6.3+6.2=4.3-1.4=2.7-1.2=9.6-5.2=6.3+5.1=7.1-0.2=8.5-7.6=6.7-2.9=8.9+0.3=8.2-6.8=5.2-0.9=7.1-4.8=5.5+1.7=6.9-2.5=6.2-2=5.3-2.7=8.7-3.5=2.1-1.7=8.4-6.2=2.6-0.5=3.2-2.1=6.8-2.9=6.3-4.

24、1=7.5-7.2=8-3.2=4.3-1.2=3.2-1.9=4.3-0.1=8.4-7.4=6.9-1.2=7.1-5.4=6.1-3.0=6.3-2.4=3.9-0.8=0.21+5.61=6.5-2.2=3.7-2.7=7.1-4.3=5.1-3.4=7.3-5.2=7.5-4 =5.6-7.3=6.2-4.1=7.2-4.1=2.3-1=5.1-0.8=7.5-3.7=7.3-1.6=6.3-2.6=5.3-5.1=7.4-3.5=6.3+2.5=2.4-0.5=5.1-5=5.3-5=4.6+1.4=3.2-1.1=7.5-3.1=6.4-5.2=0.9+0.8=5.2-1.6=5

25、.4-1.2=8.3-5.1=0.5+0.3=7.3-2.6=5.5-3.4=7.2-5.1=3.5+7.8=5.4-1.2=7.3-2.3=5-2.3=1.1+12=7.4-6.3=5.4-2.1=6.5-4.3=3.5+7.3=4.5+2.3=3.5+7.6=8.2-7.1=9.8+4.5=5.7+8.4=70-0.5=8.6-3.6=5.6+7.6=1.8+0.9=4.3-2.3=9.6-2.2=3.4+1.9=5.8+9.8=6.2.-1.4=5.4-3.2=6.4-1.9=1.3+5.7=4.5-1.2=8.4-5.1=4.5-2.7=8.9+4.5=8.6-5.3=6.2-3.2=

26、9.5-2.3=1.6+0.5=3.7-1.5=3.1-0.2=6.7-2.1=4.5+7.5=7.3-4.1=3.7-1.7=3.1-1.8=3.6+6.2=7.4-2.4=4.3-2.1=6.5+6.1=0.14+0.46=4.75+0.80=5.27+0.91=4.23+3.121=3.04+6.12=0.45+6.34=0.93+0.47=8.42-7.04=4.01+5.23=9.02+0.52=5.26+9.12=6.76-6.61=5.01+3.13=3.43+0.80=9.02+0.45=0.41+0.95=2.34+4.34=5.40+0.27=8.04+0.62=4.15+

27、7.08=0.12+0.02=0.35+0.26=2.34+0.37=2.59+9.10=0.23+4.23=4.5+5.47=0.17+0.62=3.51+9.00=0.12+3.23=4.25+2.79=8.60-6.39=4.54+2.55=0.23+0.04=3.25+5.36=8.49-6.31=8.70+1.16=2.03+1.45=5.46+6.47=7.40-4.04=1.31+5.61=7.45+4.35=5.24+6.10=7.68-6.50=7.71-0.11=2.34+3.01=0.52+0.30=3.90-2.76=8.64-7.85=4.02+9.02=0.92+0

28、.92=6.91-5.39=8.68+0.84=0.91+0.91=0.34+8.01=6.97-5.97=2.62+3.19=0.28+0.71=0.29+3.45=8.25-4.64=5.93-1.20=0.31+0.13=6.23+4.23=8.78-0.52=3.66+5.90=5.39+3.24=4.37+0.91=1.27-0.21=7.74+1.48=4.38+0.23=0.28+0.91=7.43-4.23=4.06+4.85=5.41+3.25=0.58+0.15=6.23-4.15=7.55+7.05=1.24+4.13=6.03+9.04=8.53-2.13=8.93-2

29、.34=6.57+0.04=4.76+3.20=6.13-4.23=6.72-0.35=1.73+4.32=5.92-4.14=7.23-2.01=7.25-0.04=4.47+9.24=6.12-3.01=8.42-0.01=8.95-4.26=8.53+3.94=7.29-4.01=8.53-5.34=7.54-5.4=8.36-3.72=7.13-2.08=7.32-1.09=4.73-3.25=6.78-1.84=8.64-3.41=9.87-6.24=6.26-3.14=6.35-2.83=7.23-2.13=6.54-6.50=5.36-2.10=0.6+7.50=5.23-1.2

30、3=8.63-5.43=5.73-3.14=7.57+6.82=4.15-3.12=7.12-3.21=5.79-3.14=5.18+2.34=7.12-3.12=7.41-4.12=6.53-1.03=8.74-6.93=7.52-3.12=8.42-5.09=8.12-4.32=1.05+9.02=7.43-4.12=5.32-1.01=7.43-0.14=4.30-4.19=8.25-6.14=5.21-0.21=7.52-4.12=4.94-2.06=7.16-0.4=6.30-0.02=5.31-4.12=7.93-4.75=9.46-2.31=0.34-0.01=9.04-3.02

31、=6.03-2.94=9.75-4.24=8.43-4.21=6.31-3.21=6.8-0.7=5.5-1.9=5.1-1.9=4.8-2.5=6.7-4.5=2.7+3.9=2.2+5.7=18.3-3.7=6.3+3.6=9.3-8.8=6.6-3.7=2.9+15.9=6.3+3.6=9.5-2.7=7.2-2.7=8.1+1.2=6.7-4.5=6.6-3.7=2.8+1.9=5.1-1.9=6.8-0.7=7.2-2.7=12.3+3.7=2.2+5.7=9.5-2.7=2.8+1.9=5.3+4.47=73.4+52.1=2+9.1=4.5-2.1=53.16+3.54=79.2

32、+56.8=9.3-8.8=5.8+6.9=3.2+12.76=7.21+6.9=4.53+5.23=3.45+6.14=3.79-3.47=9.28+1.69=5.72+9.01=2.13+3.45=8.89-0.20=6.89-0.88=3.24+6.12=3.23+4.12=7.42+9.92=4.97+7.29=4.34+3.24=4.12+6.23=3.58-2.87=3.34+4.51=6.43+4.43=5.35+3.24=7.31-2.51=6.29+0.67=3.54+6.35=6.12+5.14=8.81-5.75=9.60+0.73=6.23+6.24=6.01+0.10

33、=6.67-2.72=2.23+5.50=6.24+4.36=0.23+0.14=3.04+5.71=9.81-0.09=5.63+5.24=6.14-2.01=4.62+3.02=2.80+6.46=4.25+5.04=5.58+0.13=9.32+3.40=5.9-5.35=0.03+2.90=5.15-4.79=5.43+3.23=6.26-4.23=3.47+8.24=5.29+6.33=3.55+5.33=5.34-3.21=5.32+6.15=5.86-1.95=8.21-4.90=9.33-3.33=7.34+5.46=5.34-2.32=2.38+2.40=0.5+2.6=24

34、.6+2.4=6.43-2.01=35.7-2.4=53.4-2.4=3.8+9.9=6.2-3.5=93.1-20.9=5-0.08=35.7-2.4=0.02+0.51=1.01+3.12=0.54+2.01=7.06+5.63=3.13+7.02=3.54+0.01=3.02+8.02=5.31+0.61=8.31+0.31=4.27+7.10=8.03+2.10=8.02+0.80=8.71+7.12=4.01+4.15=3.24+4.02=5.55+2.11=6.41+6.21=0.12+0.09=8.23+2.21=4.09+2.01=8.04+5.02=0.14+0.23=2.3

35、+4.32=5.13+4.12=6.03+5.02=5.13+7.12=3.12+4.23=4.60+0.08=5.21+5.21=4.14+3.02=7.02+3.01=2.43+0.12=6.03+2.31=5.20+0.25=4.23+6.34=7.23+7.01=4.12+0.23=8.34+5.12=2.13+4.12=7.23+9.01=3.12+3.21=4.52+6.80=8.21+5.12=5.43+0.75=4.12+1.23=4.03+4.12=3.15+5.01=6.1-1.1=9.1+4.8=4.78+3.94=4.5+7.5=1.8+7.4=8.4-0.6=8.3-

36、3.3=3.6+6.2=15.4+3.6=5.7-3.7=8.8-3.2=6.5+6.1=0.4+1.6=1-0.9=12.3-4.5=3.5+7.6=2.8+3.6=3.5-1.3=5.1-0.9=7.5+7.1=3.6+4.7=3.5-3.4=1.2-0.3=0.7+4.3=6.5+1.9=5.2+4.8=4.2-0.1=8.5-7.6=0.6+0.7=4.1+2.8=7.8-3=5.2-0.9=1.5+3.8=3.2+3.3=8.4-6.2=6.2-2=6.2+9.9=6.4+2.9=6.3-4.1=8.4-6.2=11.5+11.4=3.4+1.6=3.2-1.9=6.3-4.1=0.

37、8+3.4=5.2+4.8=7.1-5.4=3.2-1.9=4.4+1.7=8.1+2.1=9.8-5.4=7.1-5.4=8.7-3.5=0.8+1.3=8.4-4.2=9.8-5.4=3.2-2.1=1.2+1.6=9.7+8.6=8.4-4.2=8-3.2=3.6+4.2=8.6+4.3=5.3-2.7=10.2-6.2=4.3+5.6=0.9+4=2.6-0.5=6-0.4=2.4+4.0=2.6+3.5=7.5-7.2=8.3-7=1.3+2.1=6.7+1.4=70-0.5=4.7-4.3=2.8+3.5=6.3+6.2=4.3-2.3=8.2-5.2=4.6+2.1=6.3+5.

38、1=6.2.-1.4=2.6-0.8=3.4-2.3=8.9+0.3=5.2+4.8=4.7-2.5=6.7-3.1=5.5+1.7=8.6-3.6=4.1+2.8=1.8+0.9=3.6+6.2=9.6-2.2=3.2+3.3=5.8+9.8=6.5+6.1=5.4-3.2=6.4+2.9=1.3+5.7=9.7+8.6=8.4-5.1=3.4+1.6=8.9+4.5=8.6+4.3=6.2-3.2=5.2+4.8=1.6+0.5=0.9+4=3.1-0.2=5.6+7.6=4.5+7.5=8.2-7.1=3.7-1.7=3.4+1.9=5.1-0.8=5-2.3=4.3-2.1=4.5+2

39、.3=5.3-5.16.5-4.3=5.6-7.3=3.6-1.3=1.8+8.18=3.25-0.12=1.64+2.35=20.22+0.78=7.82-7.2=27.3+2.15=6.72-3.28=2-0.75=8.7+0.03=23.5+1.68=136.5-105=2.7+3.9=1.25+2.3=1.5+4.85=4.5-3.26=4.1+28.9=2.45+5.5=16.8+5.4=96.3-56.2=25.9+31.1=1.9+25.79=0.2-0.09=0.89-0.25=13.8+9.9=4.5-3.26=2.9+15.9=640÷80=35.5+25.4=3

40、0.07+39.65=9.23+4.52=0.6-0.59=51.9-21.8=11.83+62.7=24.8+1.46=66.5-3.2=20.1-19.9=1-0.55=5.58+1.89=55.63-5.6=0.8+82.2=54.29+27.1=0.78+2.2=11.3+80=83.2-7.9=98.3-2.3=0.8-0.45=15.6-4.4=47.2-19.6=10.7+0.93=6.45-3.29=8.4+35.76=85.2-59.3=5.64-0.44=92.7-0.05=8.8-2.69=43.2-35.5=1.6+68.42=87.68-20.7=62.9-2.17=

41、69.2-30.4=85.8-56.6=75.8-17.5=6.08+12.3=12+8.2=20.2-7.09=42.5-23.65=3.9+1.32=25.7-6.2=24+9.18=56.2+9.38=15.78+23.9=23-0.3=10.89-10.25=67.3+23.92=4.5-1.5=11-1.1=1.1-0.55=4.72+8.49=3.7+7.25=1.34+0.8=2.22+0.8=5.63+1.27=64.79-8.67=4.29+2.1=2.2-0.75=9.06-1.59=5.3+19.45=8.3-2.63=54.78-10.24=7.95-4.9=4.86-

42、0.42=1.7+0.43=50.42+20.98=8.02+5.08=3.06+8.45=5-0.44=2.34-1.2=18.5-5.07=4.64+2.36=12.6+3.42=66.37+8.5=4.32+18.7=7.8+45.22=99.1+1.9=54.8+9.4=5.65+8.95=1.8+5.75=14-0.14=6.8+89.8=7.3+49.52=0.63+4.5=4.64+15.36=8.02+15.28=4.72+8.49=4.5-1.5=0.99+1.8=108.5-35.05=5.63+1.27=4.78+3.94=2.56-0.37=0.32+1.57=9.06

43、-1.59=98.8+0.08=3.9+2.03=4.6-0.52=7.95-4.9=47.3+5.04=2.14-0.9=3.56+5.75=2.42+0.59=33.1-7.65=7.55-4.1=2.64+2.36=57.5+1.36=6.07-5.63=0.87+5.68=76.8+5.2=6.09+8.04=56.3-28.7=13.3-5.28=1.5+5.5=4.98+1.89=1.62-1.58=7.87+5.66=0.68+4.85=6.4+53.6=2.15+10.86=62.3-1.25=39.7+5.06=32.01+5.05=81.1-14.9=5.7-0.93=2.

44、42+0.59=24.4-15.5=4.2+3.76=10.5-3.25=57.5+1.36=3.6+20.02=2.32+0.59=6.4+1.89=6.09+8.04=41.2-2.66=6.5+18.9=19.8-5.6=4.98+1.89=4.4+7.68=6.9+8.4=25.13-1.8=6.4+53.6=55.63-5.6=4.9+1.87=5.87+35.26=32.01+5.05=11.3+80=6.5+13.56=3.08+5.83=24.4-15.5=15.6-4.4=33.51+5.5=5.62-4.2=3.6+20.02=8.4+35.76=48.43-15.65=1

45、6.52-1.08=41.2-2.66=8.8-2.69=3.36+0.92=35.85+8.04=4.4+7.68=62.9-2.17=41.92-2.6=6.8-5.05=92.7-0.05=6.08+12.3=4.5+17.58=25.63-7.52=87.68-20.7=3.9+1.32=5.63-5.21=12.3+4.06=75.8-17.5=15.78+23.9=1.3+8.56=0.75+0.4=42.5-23.65=75.9-38.7=26.7+13.3=1.34+0.8=56.2+9.38=51.2-11.2=41.9-5.8=32.5+6.84=67.3+23.92=22

46、.13+4.07=16.89-2.46=35.43-15.3=5.12+7.84=76-47.88=85.6-45.1=101.7-81.65=23.5-4.05=39.1+2.09=7.94+18.5=17.26+56.17=5.4+73.65=48.6-47.9=4.28-1.93=53.69+39.05=7.56+4.36=1.6+20.47=9.53+3.3=8.99+58.06=81.9-56.45=211.9-11.8=36.1-31.4=26.5-15.7=35-15.6=31.7+57.7=5.02+3.73=27.37+6.58=18.26+3.8=9.81-0.09=44.

47、6-15.15=50.43-34.4=71.05+2.25=28.23-2.02=21.2+58.36=13.29+25.58=40-27.35=198.3-25.1=9.07+48.1=5.78-0.24=16.09+7.01=132.8-59.8=17.6-6.29=29.4-8.83=3.46+5.05=91.9-21.1=13.47+85.4=11.3+31.25=11.16-2.36=9.28+1.69=3.29+12.5=9.37-6.8=145.8-15.3=59.9+41.1=62.3-33.75=44.9-31.9=128.9-17.7=97.8+14.55=4.83+10.

48、51=1.8+8.18=35.5+41.9=29.8-3.5=13.98+16.3=71.4+22.57=13.56+24.44=57.62+5.5=6.03-3.7=7.06+2.87=33.8-25.6=0.95+9.65=9.84-2.77=1.8+8.18=158.3-38.2=36.9+6.1=8.15+32.5=9.15-7.4=4.97+7.29=30.5-15.6=35.82-5.67=4.42+16.34=18.9+27.1=9.05-3.4=5.69+17.2=33.46-16.06=51-35.6=31.28+13.82=13.02+5.99=8.74+13.82=6.1

49、1-2.2=22.81-10.92=31.24-16.5=3.36-3.29=4.86+17.4=50.36+15.63=10.33-7.7=46.1+6.95=65.16-30.01=2.6+16.44=16.5+43.25=17.01-3.72=34.9+9.09=21.55+20.6=60.03+19.57=29.22+6.33=3.92-2.1=5.66+1.44=16.59-1.66=7.82-7.2=16.3+28.1=1.69+5.88=43.33-5.6=8.7+0.03=3.57+11.5=51.26+5.8=28.16-6.9=39.8+6.79=34.1-12.05=27

50、.3+4.4=38.19-2.6=9.11+15.9=10.37+8.6=53.6-16.83=13.8+37.85=8.34-6.22=39.5-7.2=22.54+6.66=17.51-3.6=3.17+5.6=28.04-5.8=13.2-1.66=55.16-22.37=6.9-1.15=2.37+6.94=24.5-1.9=2.37+1.68=8.75+6.7=61-10.7=24.26+15.83=73.28+1.44=4.78+19.4=8.46+5.38=18.37+15.7=30.73+9.5=0.42+10.68=5.36+4.1=51.62-2.8=13.6-12.69=

51、4.47+9.64=14.8+16.2=23.4-12.48=41.52-23.51=1.9+25.79=15.16-2.4=4.56+12.56=23.6-1.77=16.08+7.78=16.18+45.96=46.25-5.6=30.26-16.45=12.25-7.62=0.51+2.86=23.56+12.45=2.77-1.78=36.28+24.9=11.52+22.74=22.11-3.87=16.73-8.16=15.6+15.06=31.26-2.9=63.25-7.78=36.45+17.49=15.32-6.83=32.6+5.97=5.3+23.7=29.4-1.66

52、=38.38-46.46=6.9+2.01=9.5-0.05=3.3+7.68=7.85+3.4=9.7+3.03=0.34+12.6=6.5+6.05=3.07+3.65=2.8+4.08=8.9+0.21=5.9+3.1=3.48+6.6=31.9-1.8=4.6+23.45=6.1+3.8=2-1.07=9.7+32.3=1.09+9.6=5.4-4.6=2.31+8.49=51.2+0.12=8.7+9.6=2.13+2.7=1.83+2.7=2.34+3.4=34.7+3.3=4.9+2.6=6.37+4.55=0.11+4.2=8.4-4.6=15-1.6=17.3-0.6=8.1

53、2-0.82=25.8-4.5=1.02+2.8=8.8+32.2=31.8-0.9=3.1+3.9=5.3-3.5=7.6+3.12=42.9+6.5=7.5+41.5=4.4+1.6=2.3+26.52=5.36+6.7=6.12-6.1=6.06+3.4=16.4-3.5=4.4+6.57=64.7+0.5=35.4+7.6=9.9+2.01=3.5+16.8=31-0.8=7.7-0.8=1.9+9.3=2.5+7.05=22.8+4.9=18-0.9=2.3+4.5=4.9+24.1=7.6+1.9=3.3+3.06=2.4+5.27=3.7-0.07=2.5-0.05=5.4+2.66=1.4+46.6=4.5-3.9=3.6-0.09=5.86-0.8=3.6+23.9=3.07+4.98=3.9+8.1=10-0.25=4.09+2.6=7.