小学五年级数学口算1000题

1、1.45+15X6= 2.250+5X8=3.6 X 5-2X4=4.30 X 3+8=5.400+4+20X 5= 6.10+12 + 3+20= 7.(80 +20+80) + 4= 8.70+(100- 10X 5)= 9.360+40=10.40 X 20= 11.80-25= 12.70+45=13.90 X 2=14.16 X6= 15.300X6=16.540 + 9=17.30 X 20=18.400 + 4= 19.350-80= 20.160+70=21.18- 64+8= 22.42+6+20=23.40- 5X7= 24.80+60 + 3= 25.41+18 + 2=

2、26.75- 11X5= 27.42+7-29= 28.5600 + 80=29.25 X16= 30.120X25=31.36X11 = 32.1025 + 25= 33.336+70=34.25 X 9X4= 35.200- 33X 3= 36.3020-1010=37.12 X 50=38.25 X8=39.23 X11 =40.125 + 25= 41.4200-2200= 42.220+80=43.20 X8X5= 44.600- 3X200= 45.20+20 + 2= 46.35- 25+5= 47.36+8-40= 48.2800 + 40= 49.98 + 14 = 50.9

3、6+24 = 51.56 + 14 = 52.65 + 13 = 53.75 + 15 = 54.120 + 24 = 55.200 + 25 = 56.800 + 16 = 57.840 + 21 = 58.560 + 14 = 59.390 + 13 = 60.600 + 15 = 61.72+24 = 62.85 + 17 = 63.90 + 15 = 64.96 + 16 = 65.78+26 = 66.51 +17 = 67.80+40 = 68.100 + 20 = 69.100 +4 = 70.240 +40 = 71.920 +4 = 72.300 + 60= 73.64+2

4、= 74.64+4 = 75.50+5 = 76.60+8 = 77.96+4 = 78.90+6 = 79.400+80 = 80.400-80 = 81.40 X 80 = 82.400 + 80 = 83.48 + 16 = 84.96+24 = 85.160X5= 86.4 X 250=87.0 X 518=88.10 X76=89.36 X10=90.15 X6=91.24 X3=92.5 X18=93.26 X4=94.7 义 15=95.32 X 30=96.40 X15=97.60 X12=98.23 X 30=99.30 X 50=100.5 X700=1.45+15X6=2

5、.250+5X8=3.6 X5+ 2X4=4.30 X 3+8=5.400+4+20X 5=6.10+12 + 3+20=7.(80 +20+80) + 4=8.70+(100- 10X5)= 9.360+40=10.40 X20=11.80-25=12.70+45=13.90 X2=14.16 X6=15.300X6=16.540 + 9=17.30 X20=18.400 + 4=19.350-80=20.160+70=21.18- 64+8=22.42+6+20=23.40- 5X7=24.80+60 + 3=25.41+18 + 2=26.75- 11X5=27.42+7-29=28.5

6、600 + 80=29.25 X16=30.120X25=31.36 X11 =32.1025 + 25=33.336+70=34.25 X9X4=35.200- 33X3= 36.3020-1010=37.12 X 50=38.25 X8=39.23 X11 =40.125 + 25= 41.4200-2200=42.220+80=43.20 X8X5=44.600- 3X200=45.20+20 + 2=46.35- 25+5=47.36+8-40=48.2800 + 40=49.98 + 14 =50.96+24 =51.56 + 14 =52.65 + 13 =53.75 + 15 =

7、54.120 + 24 =55.200 + 25 =56.800 + 16 =57.840 + 21 =58.560 + 14 =59.390 + 13 =60.600 + 15 =61.72+24 =62.85 + 17 =63.90 + 15 =64.96 + 16 =65.78+26 =66.51 +17 =67.80+40 =68.100 + 20 =69.100 +4 =70.240 +40 =71.920 +4 =72.300 + 60= 73.64+2 = 74.64+4 = 75.50+5 = 76.60+8 = 77.96+4 = 78.90+6 = 79.400+80 =

8、80.400-80 = 81.40 X 80 = 82.400 + 80 = 83.48 + 16 = 84.96+24 = 85.160X5= 86.4 义 250=87.0 X 518=88.10 X 76=89.36 X10=90.15 X6=91.24 X3= 92.5 X18=93.26 X4= 94.7 X15=95.32 X 30=96.40 X15=97.60 X12=98.23 X 30=99.30 X 50= 100.5 X700=1.45+15X6= 2.250+5X8=3.6 X5+ 2X 4= 4.30 X 3+8=5.400+4+20X 5= 6.10+12 + 3

9、+20= 7.(80 +20+80) + 4= 8.70+(100- 10X5)= 9.360+40= 10.40 X20= 11.80-25= 12.70+45=13.90 X2=14.16 X6= 15.300X6= 16.540 + 9=17.30 X20= 18.400+4= 19.350-80= 20.160+70= 21.18- 64+8= 22.42+6+20= 23.40- 5X7= 24.80+60 + 3= 25.41+18 + 2= 26.75- 11X5= 27.42+7-29= 28.5600 + 80=29.25 X16= 30.120X25=31.36 X11 =

10、 32.1025 + 25= 33.336+70=34.25 X9X4= 35.200- 33X3= 36.3020-1010=37.12 X 50=38.25 X8=39.23 X11 = 40.125 + 25= 41.4200-2200= 42.220+80=43.20 X8X5= 44.600- 3X200= 45.20+20 + 2= 46.35- 25+5= 47.36+8-40= 48.2800 + 40= 49.98 + 14 = 50.96+24 = 51.56 + 14 =52.65 + 13 = 53.75 + 15 = 54.120 + 24 =55.200 + 25

11、=56.800 + 16 = 57.840 + 21 = 58.560 + 14 = 59.390 + 13 = 60.600 + 15 =61.72+24 =62.85 + 17 =63.90 + 15 =64.96 + 16 =65.78+26 =66.51 +17 = 67.80+40 =68.100 + 20 =69.100 + 4 =70.240 + 40 =71.920 + 4 =72.300 + 60=73.64+2 =74.64+4 =75.50+5 =76.60+8 =77.96+4 =78.90+6 = 79.400+80 = 80.400-80 =81.40 X 80 =

12、82.400 +80 =83.48 + 16 = 84.96+24 =85.160X5=86.4 义 250=87.0 X 518=88.10 X 76=89.36 X10=90.15 X 6=91.24 X 3=92.5X18=93.26 X 4=94.7X15=95.32 X 30=96.40 X15=97.60 X12=98.23 X 30=99.30 X 50=100.5 X 700=4 / 4117 M0 =100 -63 =3.2 + 1.68 =2.8 X0.4 =14-7.4 =1.92 抬.04 =0.32 X500 =0.65 +4.35 =10-5.4 =4攵0 =3.5

13、 X200 =1.5-0.06 =0.75 勺5 =0.4 X0.8 =4X0.25 =0.36 +1.54 =1.01 X99 =420 35 =25 M2 =135 田.5 =3/4 + 1/4 =2 + 4/9 =6 / 413 - 2/3 =3/4 - 1/2=1/6 + 1/2 -1/6 =7.5-(2.5+3.8)=7/8 + 3/8 =3/10 +1/5 =4/5 - 7/10 =2 - 1/6 -1/3 =0.51 勺7 =32.8 +19 =5.2 勺.3 =1.6 X0.4 =4.9 X0.7 =1 -5 =6白2 =0.87 -0.49 =17 M0 =100 -63 =

14、3.2 + 1.68 =2.8 X0.4 =14-7.4 =1.92 204 =8 / 410.32 X500 =0.65 +4.35 =10-5.4 =4 -20 =3.5 X200 =1.5-0.06 =0.75 勺5 =0.4 X0.8 =4X0.25 =0.36 +1.54 =1.01 X99 =420 心5 =25 X12 =135 田.5 =3/4 + 1/4 =2 + 4/9 =3 - 2/3 =3/4 - 1/2=1/6 + 1/2-1/6 =7.5-(2.5+3.8)=7/8 + 3/8 =4/5 -7/10 =2-1/6-1/3 =0.51 勺7 =32.8 +19 =5.

15、2 勺.3 =1.6 >0.4 =4.9 >0.7 =1抬=6勺2 =0.87 -0.49 =17 M0 =100 -63 =3.2 + 1.68 =2.8 >0.4 =14-7.4 =1.92 2 04 =0.32 X500 =0.65 +4.35 =10-5.4 =4攵0 =3.5 X200 =1.5-0.06 =11 / 414.9 X0.7 =0.4 X0.8 =4X0.25 =0.36 +1.54 =1.01 X99 =420 35 =25 X12 =135 田.5 =3/4 + 1/4 =2 + 4/9 =3 - 2/3 =3/4 - 1/2=1/6 + 1/2

16、-1/6 =7.5-(2.5+3.8)=7/8 + 3/8 =3/10 +1/5 =4/5 - 7/10 =2 - 1/6 -1/3 =0.51 勺7 =32.8 +19 =5.2 勺.3 =1.6 X0.4 =1 -5 =6白2 =0.87 -0.49 =17 M0 =100 -63 =3.2 + 1.68 =2.8 X0.4 =14-7.4 =1.92 抬.04 =0.32 X500 =0.65 +4.35 =10-5.4 =4 20 =3.5 X200 =1.5-0.06 =0.75 勺5 =0.4 X0.8 =4X0.25 =0.36 +1.54 =1.01 X99 =420 35 =

17、14 / 413.2 + 1.68 =135 田.5 =3/4 + 1/4 =2 + 4/9 =3 - 2/3 =3/4 - 1/2=1/6 + 1/2 -1/6 =7.5-(2.5+3.8)=7/8 + 3/8 =3/10 +1/5 =4/5 - 7/10 =4 - 1/6 -1/3 =0.51 勺7 =32.8 +19 =5.2 勺.3 =1.6 X0.4 =4.9 X0.7 =1抬=6白2 =0.87 -0.49 =17 >40 =100 -63 =2.8 X0.4 =14-7.4 =1.92 204 =0.32 X500 =0.65 +4.35 =10-5.4 =4攵0 =3.5

18、 X200 =1.5-0.06 =0.75 勺5 =0.4 X0.8 =4X0.25 =0.36 +1.54 =1.01 X99 =420 心5 =25 M2 =135 田.5 =3/4 + 1/4 =2 + 4/9 =3 - 2/3 = 3/4 - 1/2=17 / 4110-5.4 =7.5-(2.5+3.8)=7/8 + 3/8 =3/10+1/5 =4/5 -7/10 =2-1/6-1/3 =0.51 勺 7 =32.8 +19 =5.2 勺.3 =1.6 >0.4 =4.9 >0.7 =1-5 =6勺2 =0.87 -0.49 =17 >40 =100 -63 =3

19、.2 + 1.68 =2.8 >0.4 =14-7.4 =1.92 2 04 =0.32 X500 =0.65 +4.35 =4 20 =3.5 X200 =1.5-0.06 =0.75 勺5 =0.4 X0.8 =4X0.25 =0.36 +1.54 =1.01 X99 =420 35 =25 X12 =135 田.5 =3/4 + 1/4 =2 + 4/9 =3 - 2/3 =3/4 - 1/2=1/6 + 1/2 -1/6 =7.5-(2.5+3.8)=7/8 + 3/8 =3/10 +1/5 =4/5 - 7/10 =2 - 1/6 -1/3 =20 / 4139 X4=51 X

20、9=77 X7=874 X3=304 X5=106 X10=178 X3=78 X9=1.573 X6=3.52 X100=3.54 X8=43.87 X4=163 X3=724 X7=43.7 X8=46.9 X8=78 X9=250 X0.4=24 X5=37 X8=104 X5=847 X4=21 / 418X42=5.78 X92=78 X2=245 X0=306 X103 X0=132 X6=350 X1OOO=317 X4=1.52 X6=125 X0.8=302 X783 X0=264 X8=5.76 X9=3875 X0=1.854 X0X100=937 X4=285 X4=1

21、34 X3=125 X8=25 X4=300 X52=5X42=1.35 X9=15 X8=125 X4=8.456 X1000=21 X8=32 X0.1 =572 X8=372 X0=153 X46=173 X10=15 X80=3652007 X0=384 +4=888 +74=592 +37=384 +32=1846 +10=468 +39=1460 +20=50 +2= 78 +4=24.5 +14=49.5 +3=153 +0=462 +5=374 +10=73 +9=10 3=27 X3=90 15=48 +4=640 16=39 3=24 X20=32 X3=48 16=12

22、X8=27 X3=56 14=24 8=14 X2=83 45= 560 +80=26 / 4196 -24=40 -20=40 X30=37 + 26=76 - 39=605 + 59=30 X23=12 X8=27 + 32=48 + 27=4500 X20=73 + 15 =120 X600 =200 X360=6800 X400=280 + 270=4X2500=6000 -40=5X1280=4.3+2.7 =0.75 +0.25 = 4-0.26 =0.35 +2.7 =4.6-1.9 =0.83 -0.3 =3 + 0.05 =7.2 -3.8 =0.07 +0.6 =1.39

23、-0.39 =10-5.4 =4.7+2.3=4.5 X2=6.9 -2.5=7.2X0.8=6 X3.4=0.62 0.32=1.4 X0.5=0.75X100=0.02 0.5=3.6 +0.3=6.3 +7=5.6100=0.75 +0.25=0.125 X8=4.8 +0.3=0.96 +2=0.56 +28=0.36 +0.4=0.64 0.8=0.72+3.6=3.6 +24=0.8 X1.1 =7.2+12.8=46.7 -3.8=12.8 +4=5.2 +13=12.5 ±5=1.64+41 =27 / 4110 +20=X0.6=3.08 X0.01 =X0.5=2

24、.4 +0.8=0.108 +2=4.95 +0.9=2.5 X8=0.56 +0.7=3.9+0.13=7.2 X0.1 =+0.8=1 +2.5=1.7=0.22 X102=24 15=4.95 X1000=10.8 +9=9.65 0.1=0.125 X4=0.01 X0.1 =1.25 X0.8=9 +0.25 +4=8.65 X10=6.9 X0.1 =9.6 W.8=0.325 X100=3.28 X0.1 =0.25 X0.4=3.2 +0.04=0.25 X3.970.350.41.64=(1.2+ 8.8) X0.4=50 + 160 +40=(58+370 ) + (64-

25、45 )=120-144 +18+35347+45 X2-4160 -52(58+37 ) + (64-9 X5)95 + (64-45 )178-145 +5 X6+42 420+580-64X21 -2831 / 41812-700 + (9+31 X11 )(136+64 ) X (65-345 -23)85+14 X (14+208 -26)1.2 X2.5+0.8 X2.58.9 X1.25-0.9 X1.2512.5 7.4 0.89.9X6.4- (2.5+0.24 )6.5 9.5+6.50.50.35 1.6+0.353.46.72-3.28-1.720.45+6.37+4.

26、555.4+6.9 X3- (25-2.5 ) 2X41846-620-3804.8 46+4.8540.8+0.82.51.25 3.6 8 2.5-12.52.428 12.5-12.52023.65- (3.07+3.65 )(4+0.4 X0.25 ) 8X7X1.251.65 99+1.6527.85- (7.85+3.4 )48 X1.25+50 X1.25 X0.2 X87.8 9.9+0.78(1010+309+4+681+6) X123X9146 X782 X6 X854 5.15 X7/8+6.1-0.60625(284+16 ) X (512-8208 -18)120-3

27、6 X4+18+35(58+37 ) + (64-9 X5)(6.8-6.8 X0.55) +8.50.12 X 4.8 +0.12 X4.8(3.2X1.5+2.5 ) +1.6 (2) 3.2 X (1.5+2.5 ) +1.66-1.6 +4= 5.38+7.85-5.37=7.2 +0.8-1.2 X5= 6-1.19 X3-0.43=6.5 X (4.8-1.2 X4) = 0.68 X1.9+0.32 X1.910.15-10.75 X0.4-5.75.8 X (3.87-0.13 ) +4.2 X3.7432.52- (6+9.728 +3.2) X2.5(7.1-5.6 ) X

28、0.9-1.15+2.55.4 +2.6 X (3.7-2.9 ) +0.6212X6+ (12-7.2 ) -6(4) 12X6+7.2-6方程：88x+43=8579 x=97 36x+58=2974 x=8113x+25=1247 x=9489x-31=4063 x=4627x+40=445 x=1583x-90=1653 x=2129x-35=545 x=2097x+81=954 x=950x-99=3101 x=6480x+17=1777 x=2217x-37=609 x=3888x+30=2758 x=3180x+85=565 x=649x+43=827 x=1699x-98=61

29、39 x=6395x+94=1044 x=1062x+77=6153 x=9838x-15=2037 x=5444x+23=1387 x=3183x-38=4444 x=5460x+83=3203 x=5221x+90=489 x=1922x+23=2135 x=96 37x+28=509 x=1332 / 4167x+39=5466 x=8192x+67=1079 x=1138x+45=2021 x=5264x-67=2813 x=455x-96=94 x=3884x-56=4732 x=5726x-61=2513 x=999x+86=500 x=469x-48=744 x=8843x-94

30、=637 x=1738x-69=2933 x=7923x-40=696 x=3248x-92=1684 x=3739x+52=2470 x=6256x-86=2770 x=5196x+95=3935 x=4021x-70=1988 x=9872x+15=7071 x=9883x-63=7656 x=9347x+64=1944 x=4038x+38=1178 x=30 68x+91=4103 x=5949 / 4153x+65=1443 x=265x-67=48 x=2346x-74=4112 x=9174x-34=6700 x=913.4-1.4=7.82-7.2=2.19+9.1 =10.1

31、-0.89=0.68+0.42=8.1-5.1 =0.728-0.24=0.8+0.18=0.89-0.25=1-0.98=0.048+0.52=5 X400=19.9+11.1 =187 +1000=1+3.89=0.081 X10=75 +10=0.96 +0.8=0.8 X7=1.5 X7=1.32 X8=0.7 X8=10.3 X2=5X0.6=0.9 0.3=3.5 0.2=2.01 0=10 X0.05=0.13 X7=0.21 X100=0.7 4=0.05 4=4 0.3=430-250=0.17+0.06=1.02-0.09=7200 +800=0.17+0.6=0.83-0

32、.6=17 300=0.98-0.09=0.2+0.78=600 700=10.2+0.02=0.15+0.7=670+250=10.2+0.2=9.2-6=8500 +500=3.2-3.2=3.7+2.3=25 X100=3.2-0.32=2+2.8=380-290=0.35+0.5=0.35+0.63=3500 +70=3.1+3=3.8+0.38=7500 +250=3.8+1=0.95-0.05=450+780=3.1+0.3=3+0.3=630 +9=4.5-0.4=9.5-5=330 X9=9.53-1.53=9.5-0.5=3.5+2.4=1-0.95=0.47+0.13=4.

33、5+4=2.5+3.2=0.74+0.16=480 +40=0.53 +100=0.3+0.27=4-0.6= 0.95+0.05=23 X100=9.8-4.8=5.1+2.3=125 X80=0.078 +10=0.52+0.4=70 X12=0.25 X100=3.4-2.8=0.6-0.37=0.052 X10=10+0.08=1-0.75=0.5 X1000=.82+0.3=13.5+6.5=63 +100=2.7+0.4=3.5+4.8=1.2-0.8=0.76+0.14=30 100=5+0.07=3.05 X100=0.83-0.5=0.72-0.43=3.5+2.4=21.6

34、-12.6=80 +1000=0.92-0.2=1-0.61 =0.47+0.23=0.25+0.75=3.7+0.33=0.51+0.33=1-0.6=6.45+5.5=8.8-6.7=7.82+0.3=3.4-2.8=8-4.6=4.5-1.3=10+0.08=8.8-6.7=0.96-0.35=5.8-3.6=0.52+0.4=3.4-2.8=9.5-7.3=9.5-7.3=0.35 X0.6=9.53-1.53=7.2+0.8=1-0.95=3.08 0.01=4.95 X1000=6.9 X0.1=0.4 X0.5=2.4 +0.8=10.8 +9=9.6 +0.8=0.108 +2

35、=4.95 +0.9=9.65 +0.1=0.325 X100=2.5 X8=0. 56 +0.7=0.125 X4=3.28 X0.1=3.9+0.13=1.6 +0.8=+2.5=1.25 X0.8=3.2+0.04= 0 +1.7=4.7+2.3=4.5 X2=6.9 -2.5=X0.8=6 X3.4=0.62 0.32=1.4 X0.5=X100=0.02 X0.5=3.6 +0.3=6.3 +7=100=0.75 +0.25=0.125 X8=4.8 0.3=0.96 +2=0.56 +28=0.36 +0.4=0.64 0.8=+3.6=3.6 24=0.8 X1.1 =7.2+1

36、2.8=46.7 -3.8=12.8 +4=5.2 +13=12.5 ±5=41=10 20=24 +15=8.65 X10=X0.6=3.08 X0.01 =4.95 X1000=6.9 X0.1 =X0.5=2.4 +0.8=10.8 +9=9.6 W.8=7.2 X0.1 =0.01 X0.1 =0.25 X0.4=0.108 +2=7.20.755.60.721.640.350.44.95 +0.9=2.5 X8=0.56 +0.7=3.9+0.13=7.2 X0.1 =+0.8=1 +2.5=+1.7=0.22 X102=9.65 +0.1 =0.125 X4=0.01 X

37、0.1 =1.25 X0.8=9 +0.25 +4=0.325 X100=3.28 X0.1 =0.25 X0.4=1.63.2 +0.04=00.25 X3.97 X4=(1.2+ 8.8) X0.4=50 + 160 +40(58+370 ) + (64-45 ) 32.120-144 +18+35 33.347+45 X2-4160 -5234 (58+37 ) + (64-9 X5)35.95 + (64-45 )36.178-145 +5 X6+42 420+580-64X21 -2837.812-700 + (9+31 X11 )(136+64 ) X (65-345 -23) 3

38、8.85+14 X (14+208 -26)23) 1.2 X2.5+0.8 X2.524) 8.9 X1.25-0.9 X1.2525) 12.57.4 0.826) 9.9 X6.4- (2.5+0.24 )27) ) 6.5 X9.5+6.5 X0.50.35 X1.6+0.35 X3.46.72-3.28-1.720.45+6.37+4.555.4+6.9 X3- (25-2.5 ) 2X41846-620-3804.8 46+4.8540.8+0.82.51.25 3.6 8 2.5-12.52.428 12.5-12.52023.65- (3.07+3.65 )(4+0.4 X0.

39、25 ) 8X7X1.251.65 99+1.6527.85- (7.85+3.4 )48 1.25+501.25 0.2 87.8 9.9+0.78(1010+309+4+681+6) X123X9146 X782 X6 X8545.15 X7/8+6.1-0.6062539. (284+16 ) X (512-8208 -18)40.120-36 X4+18+3541. (58+37 ) + (64-9 X5) 42.(6.8-6.8 X0.55) +8.543.0.12 X 4.8 +0.12 X4.844. (3.2X1.5+2.5 ) +1.6 (2) 3.2 X (1.5+2.5

40、) +1.645.6-1.6 +4= 5.38+7.85-5.37=46.7.2 +0.8-1.2 X5= 6-1.19 X3-0.43=47.6.5 X (4.8-1.2 X4) = 0.68 X1.9+0.32 X1.948.10.15-10.75 X0.4-5.749.5.8 X (3.87-0.13 ) +4.2 X3.7450.32.52- (6+9.728 +3.2) X2.551. (7.1-5.6 ) X0.9-1.15+2.552.5.4 +2.6 X (3.7-2.9 ) +0.6253.12 X6+ (12-7.2 ) -6(4) 12X6+7.2-6方程：88x+43=

41、8579 x=9736x+58=2974 x=8113x+25=1247 x=9489x-31=4063 x=4627x+40=445 x=1583x-90=1653 x=2129x-35=545 x=20 97x+81=954 x=950x-99=3101 x=6480x+17=1777 x=2217x-37=609 x=3888x+30=2758 x=3180x+85=565 x=649x+43=827 x=1699x-98=6139 x=6395x+94=1044 x=1062x+77=6153 x=9838x-15=2037 x=5444x+23=1387 x=3183x-38=444

42、4 x=5460x+83=3203 x=5221x+90=489 x=1922x+23=2135 x=9637x+28=509 x=1367x+39=5466 x=8192x+67=1079 x=1138x+45=2021 x=5264x-67=2813 x=455x-96=94 x=38 84x-56=4732 x=5726x-61=2513 x=999x+86=500 x=469x-48=744 x=8843x-94=637 x=1738x-69=2933 x=7923x-40=696 x=3248x-92=1684 x=3739x+52=2470 x=6256x-86=2770 x=51

43、96x+95=3935 x=4021x-70=1988 x=9872x+15=7071 x=9883x-63=7656 x=9347x+64=1944 x=4038x+38=1178 x=3068x+91=4103 x=5953x+65=1443 x=265x-67=48 x=2346x-74=4112 x=9174x-34=6700 x=913.4-1.4=7.82-7.2=0.68+0.42=8.1-5.1 =2.19+9.1=10.10.728-0.24=0.89=0.8+0.18=0.89-0.25=19.9+11.1 =75 +10=1.32 X8=0.9 X0.3=0.13 X7=

44、0.7 X4=0.17+0.06=0.83-0.6=600 X700=10.2+0.2=3.7+2.3=1-0.98=187 +1000=0.96 +0.8=0.7 8=3.5 0.2=0.21 X100=0.05 4=1.02-0.09=17 300=10.2+0.02=9.2-6=5 400=0.081 X10=1.5 7=5 0.6=10 0.05=25 X100=3.2-0.32=2+2.8=380-290=0.35+0.5=0.35+0.63=3500 +70=0.048+0.52=1+3.89=0.8 7=10.3 2=2.01 0=4 0.3=430-250=7200 +800=

45、0.17+0.6=0.98-0.09=0.2+0.78=0.15+0.7=670+250=8500 +500=3.2-3.2=3.1+3=7500 +250=3.8+1 =0.95-0.05=450+780=3.1+0.3=3+0.3=630 +9=4.5-0.4=3.8+0.38=9.5-0.5=3.5+2.4=1-0.95=0.47+0.13=4.5+4=2.5+3.2=0.74+0.16=480 +40=0.53 +100=0.3+0.27=4-0.6= 0.95+0.05=23 X100=9.8-4.8=5.1+2.3=125 X80=0.078 +10=0.52+0.4=70 X12

46、=9.5-5=330 X9=9.53-1.53=0.25 X100=3.4-2.8=0.6-0.37=0.052 X10=10+0.08=1-0.75=0.5 X1000=.82+0.3=13.5+6.5=63 +100=2.7+0.4=3.5+4.8=1.2-0.8=0.76+0.14=30 100=5+0.07=3.05 X100=0.83-0.5=0.72-0.43=3.5+2.4=21.6-12.6=80 +1000=0.92-0.2=1-0.61 =0.47+0.23=0.25+0.75=3.7+0.33=0.51+0.33=1-0.6=6.45+5.5=8.8-6.7=7.82+0

47、.3=3.4-2.8=8-4.6=4.5-1.3=10+0.08=8.8-6.7=0.96-0.35=5.8-3.6=0.52+0.4=3.4-2.8=9.5-7.3=9.5-7.3=0.35 X0.6=9.53-1.53=7.2+0.8=1-0.95=3.08 X0.01 =4.95 X1000=6.9 X0.1=0.4 X0.5=2.4 +0.8=10.8 +9=9.6 +0.8=0.108 +2=4.95 +0.9=9.65 +0.1=0.325 X100=2.5 X8=0. 56 +0.7=0.125 X4=3.28 X0.1=3.9+0.13=7.2 X0.1=0.01 X0.1=0

48、.25X0.4=1.6+0.8=1+2.5=1.25 X0.8=3.2 +0.04= 0 +1.7=4.7+2.3=4.5 X2=6.9 2.5=7.20.8=6 X3.4=0.62 0.32=1.4 X0.5=0.75100=5.6 +0.02 X0.5=3.6 0.3=6.3 +7=100=0.75 +0.25=0.125 X8=4.8 +0.3=0.96 +2=0.56 28=0.36 0.4=0.64 0.8=+3.6=3.6 24=0.8 X1.1 =7.2+12.8=46.7 -3.8=12.8 +4=5.2 +13=12.5 ±5=41=10 20=24 15=8.65 X10=X0.6=3.08 X0.0