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1、310X3=720 + 9 = 4700-700 =600 + 3 =48+28=640 + 8 =800 + 8 =880 + 8 =9X500=80+ 17=54+28=42 X 3= 1700-800 =90+3=180 + 3 =300 + 5 =930 + 3 =800 + 4 =60- 15=900 + 3 =450 + 9 =37+56=50X6 =440 +4 =32 X 3=680 + 2 =93 + 3 =70 X 7=620 + 2 =24X2 =1200-700 =6X 800=0+ 54=300 + 6 =960 + 3 =12X30 =0X37 =1500-900

2、=7X 80=53- 14=1800-800 =48X10 =17+27=63 + 3 =40X40 =840 + 4 =26 + 57 =40X10 =2X 14=800 + 8 =23X30 =140 + 2 =33 + 57 =60 X50 =660 + 6 =600X3 =70X80 =7X800=37 + 8 =10X68 =7X700=480 + 8 =40X50 =840 + 2 =630 + 3 =30X21 =430X2 =62-33 =50X70 =540 + 9 =500 + 500 =24X2 =31 X 3=33 X2 =2X42=13X 3=800 + 2 =86-

3、47 =34+56=700 +8 =5X 90=96+3=0+ 47 =22X30 =2X330=560 + 7 =6X 500=360 + 6 =8X70=490 + 7 =360 + 6 =42X20=20 X 34=99X10 =400 + 300 =300X3 =12X20 =5X900=80X4=30X80 =10X 33=65 X 0=41 X20 =22 X 0=330 + 3 =97X10 =80 X 70=250 + 5 =700 + 7 =200X4 =680-80=33X30 =0+20=21 X 40=0+ 59=6X60=80X40=11 X80 =22X40=10X

4、 37=200 + 4 =44+20=20 X 50=31 X20 =40X40=2000 + 300 =600 + 90 =43X20=880 + 2 =4700-700 =46+37=70X 20=44 -37 =420 + 6 =400 + 4 =40X12 =300 + 6 =0X66=84-47 =40 X 11 =50 x 30=630 + 7 =360 + 9 =640 + 8 =71-23 =10X 34=880 + 4 =0+ 43=40 X 90=400+300 =31 X30 =90X 60=34+39=21 X30 =43X2 =0X20=75+18 =23 + 48

5、=90X30 =30X12 =46 + 24 =0+73=42X20 =100 + 5 =10X50 =350 + 5 =52-29 =240X2 =52 + 39 =400 + 8 =480 + 8 =33X30 =50X5 =800X3 =60X50 =410X2 =41 X 20= 310X3 =20X 23= 440 + 4 =30 X 32= 0X35=10X 35= 29+61 =40 X 70=30 X 30=50 x 90=80 x 30=20 X 14=90 x 50= 420 + 6 =300 + 6 =240 + 4 =69 X 10= 22X40=33X 20= 900

6、 + 9 =810 + 9 =630 + 9 =30X 23=330X3 =0X30=750-50=480 + 8 =5000 + 2000=77-48=300 + 5 = 300+700 =420 + 2 =820 + 2 =70 X 11 =4500-500 =20 X40=400 + 4 =11 X 40=900X5 =67-49=200 + 4 =8000-1000=20 X 24=57 + 29 =540 + 6 =10X73 =10X58 =0+ 49=34X20 =80X90 =30X70 =120X4 =640 + 8 =720 +9 =10X34 =65X10 =660 +

7、3 =700X5 =41 X20 =7000-3000=30X30 =10X47 =30X23 =660 + 6 =5900-5000=11 X40 =70X40 =10X36 =6000+ 2000=80X80 =29+14 =80X50 =200X4 =36 + 56 =88X10 =600 + 6 =22X30 =400 + 600 =34 + 29 =800 + 8 =21 X30 =720 + 8 =33X30 =32X20 =87X10 =500 + 40 =22X40 =440 + 4 =21 X 30=9+3=90 X 9=33X 20=660 + 6 =90 + 3=8100

8、 + 9=320 + 4 =65 X 10=900 + 3=300 + 5=900 + 3 =540 + 6 =70X20=420 + 7=77-29=22 X 40=180 + 2=720 + 9=0+93=80 X 80=4000+5=20X21 =640 + 2 =10X47=360 + 6=300 + 6=30 X 50=30 X 70=1400+7=140 + 2=75+ 18=0 + 93=200 + 5=700X8=600 + 700 =600 + 6 =720 + 8=350 + 5=40 X 70=10X 36=27 + 9=5X6+41 =43+38=660 + 3 =27

9、0 + 9=1600 + 4=90 X 50=43+38=30X 60=2700 + 9=84-65=720 + 8 =300 + 6=4000 + 8=43- 16=36+56=150 + 5=360 + 6=10X 80=23 X 30=490 + 7=1400 + 2=57+29=10X 73=90X4=200 + 4=500 + 40 =90 X 50=90+3=720 + 9=88 X 10=800 + 8 =90 X 70=78 + 4=700X5 =6000 + 2000=42+6X6=83+9=80 X 90=120X4 =24+4=470 +840 X 70=640 + 2

10、=240 + 4=178 + 683+9 Q140-80=30 X 8=50 1=360+5 勺20-7=12+4+9=40 X 30=410+7 勺60+40=25+4 Q150 + 3=125+2 勺160-80=73+9 Q180 2=21+4 Q210 7=65+8 Q80 X 60=71 + 9 Q30X80=138 + 7 勺40 2=80+8=800 2=359+ 6勺60X 20=40X80=40X80=435+ 7勺60+2=75-64=300 5=410 + 6 勺420 6=20 X 10=180 3=330+ 8勺64+8X8=40 8=50X2=321+4勺180-1

11、0=320 4=480 6=181+9 勺50+500=85-62=42+36=160 4=120-40=200 5=8X 3+4=270 9=180-60=60X50=40X50=400 8=600+600=40 5 2=41+25=360 6=110-90=150 3=40X7=810 9=20+70=100 5=350 7=300 5=40+500=420 6=40X9=420 7=150-90=70X20=36+24=1400 2=120-50=180 2=120+2=200 4=720 9=80+8=78-19=720 9=40 X 50=360+4=630 9=120-10=19

12、+ 4Q450+5=4000 5=130-50=70+9Q39+45=630 7=140-50=900X5=300+6=1600 2=200-40=140 2=420+7=2800 4=300X6=40 X 60=100+5=540 9=280 7=1500 + 5=40X2=60X5=240 8=210 3=18+2 + 3=300 5=3X90=80 X4=245+8 勺60X6=200 5=240 4=80+9 Q400 5=4X 10=80 X 7=721 + 8 勺80X7=120 3=160 2=453+6 勺160 8=400X9=4X8+52=73+9 Q36+42=810 9

13、=2000 4=256+5 勺210 3=5X7-20=2700 9=214+7 勺4X200=14+ 4 Q4000 8=125+2 勺48+6X4=17+9 Q4200 6=21+4 Q900+700=650+ 8勺8100 9=73+9 Q90+80=35+6 Q3000 5=280 4=90+9=83+3 Q420 7=360 9=12-6=41 + 5 Q1000 2=320 8=200-60=50+7 Q2000 4=180 6=10+10=164 + 2 勺450 9=900X2=60+8 Q30 X 5=60+2=80 + 4=37+6 Q60 3=490 + 7=490+7=

14、20+9 Q30X21 =100 + 2=45-6=24+5 Q630 9=54+6X4=100+2=48+7 Q40 X 90=25+ 4Q30X6=15+2 Q25+5X8=340 +9勺90+3=25 + 4 Q20+10=470 +8 勺80X60=80+9 Q110-6=178 + 6 勺400+10=190-90=70+80=812 + 9 勺9X 9+12=200-90=140-2=201+5勺100 1=150-20=70+90=450 +7 勺50X50=70+30=70+2=142 + 2 勺720 8=16-2=140-7=35+ 4Q810 9=(12)40+80=70

15、+50=46+9Q80X20=10-8=700+600=13-7=180 9=110-70=17-1=30+20=270 9=100-100=720 + 8=30+70=270 3=6+10=9X800=10+50=30X40=240 6=52+35=19-4=27+9X9=30X7=80+4=(14) 10+60=75+9 Q80 8=140 + 2=20+80=32+5 Q320 4=60X2=50+70=140-20=350 5=71-68=28+7=190-80=210 7=600+1 =500X4=60+6=3X 8=1500 3=24+8=63+24=80 2=9X300=12X2

16、0=42+7=40 X 10=45+45=35+5=5X21 =180 3=50 X 90=4X9 + 6=56+7=80X90=66+26=250 + 5=25+41=280 4=5X5+52=63+9=14+7=9X 100=90+30=280 4=300X7=8+1X8=90+40=50 X 50=120 2=42X42 Q170-90=810 9=4X 9+40=66X54 Q110-30=300X6=140-3=42X98 Q50+80=25+41=30+6=131 + 6 勺110-80=140 7=130-2=83+9 Q50+90=20X 31 =20+90=45X28 Q40

17、0+300=90-65=80+20=421 + 7 勺150-60=52 X 44Q60+90=150+2 勺160-60=74 X 54Q10-5=45X52 Q160 + 8=41 X 75Q90+20=65+9 Q150+40=131+6 勺17-8=90+9=2100 + 3=83+9Q180-80=1600+2=50 X 80=51 X 82Q410+7 42+6+20=600-3 X 200=51 + 17 =125+240-5 X 7=20+20+2=80 + 40 =52 X 9480+60+3=35-25 + 5=100 + 20 =45+15X6=41+18+2=36+8-

18、40=53+18=250 + 5X 8=75-11 X5=2800+40=104X9=6X5 + 2X4=42+7-29=98 + 14 =420+80=30X 3+8=5600 + 80=96 + 24 =500-60=400 + 4+20X5=25 X 16=56 + 14 =5+58=10+12+ 3+20=120X25=65 + 13 =280+450=360 + 40=36 X 11 =75 + 15 =78+15=40X20=1025 + 25=120 + 24=200X9=80-25=336+70=200 + 25 =84+17=8070+45=,25 X9X4=800 + 16

19、 = 44=90X2=200-33 X 3=840 + 21 =5X 7-25=16X6=3020-1010=560 + 14 =7900-900=300X6=12X 50=390 + 13 =400+100=540 + 9=6025 X 8=600 + 15 =1100-200=30X 20=23 X 11 =72 + 24 =5000+300=400 + 4=125 + 25=85 + 17 =3000+600=350-80=4200-2200=90 + 15 =200+4000=160+70=220+80=96 + 16 =6400-400=18-64 + 8=20 X 8X5=78 +

20、 26 =9900-900=88+8=101 X7=3X700=30 X 9=4300-300-600=99+ 1 =4 X 500=4300-300-600=80 X 3=50 X 7=60-6=4X300=31-19=16+4=60-29=44+49=64+8=80-37=8800-80=63+7=900+3000=18+2=4200-200=200+6000-200099X 106=900+200=600-6000=401 X 5=8000-6000=800-60=48+6=4000+100=95-49=5600+300=64+26=50 X 9=5000+300=21 + 3=1000

21、0-1000=93-31 =3X500=69+7=44+49=87-17=0 + 9=21+45=58+36=200+6000-20067+19=40-11 =015+67=150X3=110-60=70 X 9=7300-300=0X 109=5600-5000=3600-300=63-52=4300-300-600=19+61=80-55=50-39=82-62=30+ 6=7400+600-800=23+36=6000+900=20+67=36-18=30 + 3=78+19=84 +4=42 +5=21 x2=82-62=3=40-11 =3100-1000=2000+800=82-2

22、6=90-43=600-700=74-29+48=64+26=31 X5400-400=7X19+66=2=78-69=10=80-22=93-31 =18+71=93-31 =7X9900-900=2000+60=23+19=10=110-60=58+36=1100-100=300+700=63-25=9300-300=23+19=85+28=76-17=31-15=80-22=82-26=22+29=34+19=44+29=150-90=800+600=18+71=76-17=50-39=900+4000+80=50 +34+19=18+71=34+19=50-36=21 X 3=800+

23、600=0 + 24=53-32=44+17=0X24=63 + 6=21+78=9300-300=0 + 245=120-49=76-37=245 + 5=80-36=93-17=39+3=5024+4=53-16=28+35=96 +34+64=18+62=40X3=3=42-16=61-37=72-35=60-58=32X3=72 + 3=8000-3000=28+56=67-54=9X 110=49+25=67+23=36+52=39 +85-69=80-37=58-46=3=92-27=55-38=68-46=37-35=16+25=68-37=50+5=29+43=43X2=76-

24、68=22 +71-35=32+53=80X5=2=36-24=42+15=77-29=26+13=21+79=66-38=44+29=65+33=120-43=72-39=73+23=25-7=45+15=63-52=45-42=62-35=17+46=72-8=47-29=200X4=75+34=420 + 7=480 + 4 =68-49 =57+33=65+35=58 + 33 =80X7 =400 + 8=110X5=420-20 =800 + 4 =22X4=73-28=93 + 3 =330 + 3 =23- 18=930 + 3=880 + 4 =3X23=54+ 17=24

25、X 20=1200-200 =64 + 2 =12X 3=26+9=11X7 =58 + 26 =840 + 4=57-38=80 -46 =34X2 =400 + 8=1500-700 =0+ 51 =550 + 5 =22X4=42 X 2=0: 76=800X8 =23- 18=99+3=0X 85=420 + 2 =54+ 17=770 + 7 =70 + 7 =63 + 3 =12X 3=660 + 3 =14X2 =160 + 4 =840 + 4=960 + 3 =5X 900=800 + 700 =99+ 1 =180 + 9 =2X 200=690 + 3 =31X3=65+

26、 15=84 + 4 =58-0 =84-47=660 +6 =0+91 =2X440=280 + 2=800X2 =930 + 3 =48 + 2 =320X2=50 + 5=390 + 3 =480 + 2 =540 + 20=3 X 800=0+22 =60X5 =96-46=420 + 7 =83-57 =2X44=80 X 50=3X220=29 + 68 =840 + 4 =54+36=3X( ) = 12()X5 = 3043X2=37+55=()X4 = 2035 +7 =32+53=73-35=36 +4 =72 +8=42+15=74+21=31 +5=27 +8 =21+

27、79=120-73=13 +2 =21 +4 =120-43=29 X 3=27+7 =37 +4 =25-7=90-47=41 +6 =5X( ) = 2562-35=70-32=2X( ) = 10()X4 = 3647-29=56+34=()X9 = 8136 +9 =21 X 3=36+23=56+7 =28 +9=44+17=21+67=29 +3=39 +9 =21+78=56+3=9 +5 =61 +7 =76-37=43+26=29+3 =48 +9 =93-17=61+46=24+5 =9X( ) = 7228+35=58-45=5X( ) = 45()X2=640X3=10

28、+3=()X4 = 3272 +9 =72-35=5+2=48+6 =24 +4=72 + 3=35+5 =43 +5=67-54=9X 110=82 +9=54+6 =67+23=36+52=51 +7 =49+5 =80-37=58-46=84 +9 =79+8 =55-38=68-46=46 +6 =6X( ) = 3616+25=68-37=76-68=99+ 1 =180 + 9 =2X 200=80 X 5=31 X 3=65+15 =84 + 4 =77-29=84-47=660 + 6 =0+91 =66-38=280 + 2=800X2 =930 + 3 =72-39=320

29、X2=50 + 5 =390 + 3 =45+15=540+20=3X 800=0+22=17+46=96-46=420 + 7 =83-57 =200X4=80 X 50=3X 220=29 + 68 =75+34=420 + 7=480 + 4 =68-49 =57+33=65+35=58 + 33 =80X7 =400 + 8=110X5=420-20 =800 + 4 =22X4=73-28=93 + 3 =330 + 3 =23- 18=930 + 3=880 + 4 =3X23=54+ 17=24 X 20=1200-200 =64 + 2 =12X 3=26+9=11X7 =58

30、 + 26 =840 + 4=57-38=80-46 =34X2 =400 + 8=1500-700= 420+ 51 =550 + 5 =22X4=x 2 =0: 76=800X8 =23- 18=99+3=0X 85=420 + 2 =54+ 17=770 + 7 =70 + 7 =63 + 3 =12X 3=660 + 3 =14X2 =160 + 4 =840 + 4=960 + 3 =5X 900=800 + 700 =690 + 3 =58-0=2X440=2X44=840 + 4 =54+36=37+55=73-35=74+21=120-73=29 X 3=90-47=70-32

31、=56+34=36+23=21+67=56+3=43+26=61+46=58-45=82+9=51 +7 =84+9 =46+6 =3X( ) = 12()X4 = 2036 +4 =31 +5=13 +2 =27+7 =41 +6 =2X( ) = 10()X9 = 8156+7 =29 +3=9 +5 =29+3 =24+5 =5X( ) = 45()X4 = 3243+5=54+6 =49+5 =79+8 =6X( ) = 36()X5 = 3035 +7 =72 +8=27 +8 =21 +4 =37 +4 =5X( ) = 25()X4 = 3636 +9 =28 +9=39 +9 =61 +7 =48 +9 =9X( ) = 72()X2=672 +9 =24 +4=14 +7 =23 +6 =47 +7 =7X( ) = 28()X3 = 2156 +8 =28 +3=65 +8 =26 +3 =51 +8 =8X() = 4()X4 =1663 +7 =34 +6=10

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