小學(xué)三年級數(shù)學(xué)上冊口算題

1、45 X 5 =120-25=110-23=2 5X2 =45X 7 =248+89=75- 16=25X4 =45 X 9 =85- 18=155X5 =25X6 =35*2 =11+22=9+ 18=25X8 =35X4 =125-26=115-24 =25X3 =35 x 6 =456+45=564-12 =25X5 =35 X 8 =90- 19=45 X 10=25X7 =35 X 3 =12+24=45-23=25X9 =35 x 5 =130-27 =456-12 =15X2 =35 x 7 =879+54=56-45=15X4 =35 義 9 =95-20=56 X 12 =1

2、5X6 =125X 2=60- 13=78-23=15X8 =125X4=146-23=25X6 =15X3 =125X6=457+456=125*4 =15X5 =125X 8=100-21 =25X 7 =15X7 =125X 3=65- 14=26+9=15X9 =125X 5=546-457=57-38=45X2 =125X 7=7+14 =1500-700=45X4 =125X 9=105-22 =42X2 =45X6 =123+25=70- 15=660+3 =45*8 =80- 17=896-546=960+3 =45X3 =10+20=8+16 =180+9 =65+15=30

3、X4=5X28=7+3X4=50 + 5 =81 + 12=60 X 5=90- 26=3X 800=400 X 5=17X 3=8X6+7=420 + 7 =45+3=12+88=52+23=3X 220=51 + 31 =630+9=6X4+2=420-20 =13X 3=350+7=120X4=93 + 3 =60 + 4=700X2=80 X 5=880 + 4 =120-50=18X 4=40 X 5=1200-200 =300-64=320X3=15X 5+5=0+51 =64 X 10=60 X 15=600-50=0+ 76=6 + 6X7=72+6 + 2=56X2=0X 8

4、5=400 X 5=400X3=200-36=70 + 7 =50-31 =8+2X20=15+5X 3=25X3=425 X 0=22+ 40=380+50=268+125=528-0=7X8 7=789+0=280+40=450+80=56+ 8=300+5=66-22=57+ 140=380-190=15X 4+8=46 X 20=800X 2=400X6=680X0=85-42=3000-400=50- 23=40 X 25=90-31 =420+7=35 x 0=6X6+6=60X9=6X80 + 20=40X6=43- 24=55 + 41 =420-330=300X6=11X9=

5、120X3=263-80=21 + 7=52 X 7=360+80=850+2=700+800=100 X? 4300X7=98+26X 0=9X4=400 X 885+ 47=6X3=48+ 6=900 X 5 =?310X3=49+7=1200+800=40 X 6 =?200X5=18+6=720+80=10 X 9 =?320X2=45+32=8X7=3 X 8 =?660 + 6=24+8=460+400=18 + 53 =700X2=40+5=6X8=3X 7+4=80X3=500+300=6X7=4X6+2=70+550=450+500=45+ 5=5X 9+6=800 X 6=

6、360-80=200+800=3X8+9=500 X 4=50+800=24- 6=9X2+4=540 + 9=9X6=8X3=5X 200=14X5=72+8=3000-1500=()X 5<37350-80=28+7=760+60=7X () <43570 + 50=5X9=35+ 7=()X 9<6423X3=360-30=27+ 53=4 X 400=180 + 3=730-700=240-120=900X3=200X8=18+3=5000-500=800X4=530-70=3400 300=3600-600=850X2=120+400=30 X 2=2 X 9+3=

7、3X4+5=2X 7+8=2X8+6=2X 9+5=90X9=8X( ) <65()X 9<386X ()<49()X 9<207X () <505X ()<32600 X 4=50X9=70X7=8 X 800=5X 500=19X4=()X 3<252X () <15()X4<254 X 7+9=3X6 + 7=3X9 + 4=6 X6+7=9X2 + 8=4X7+5=40+2=80 + 4=48+2=400+2=800+4=480+2=4000 + 2=8000 + 4=4800 + 2=200+2=30+3=6000 + 2=36+

8、3=800+4=300+3=48+2=99+9=26+2=600+3=38+ 1 =93+3=77+7=400+2=800+4=5000+5=500+5=84+4=900+9=400+5=27+9=53+8=84+7=80- 44=1800-900=4900-1800=420+80=430+1000=500-60=89- 8=64- 8=34+9=14+ 7=5+58=64 +8=6X 3=9X 9=72+8=78+15=83- 20=43- 30=9+ 1 =280+450=7+7=3600+5800=8X 9+21 =4600+4700=730-190=3700-370=8500-5500

9、=3200+5100=96-42=1200-400=830-300=800+900=58-36=7000+3000=5X 7=72 + 9=36 + 6=81+9=42+13=24 + 3=24+8=27-32=42+13=42-6=7+44=42 + 7=64-8=21 +3=4X 8=54 + 9=49+7=42+7=35+7=19+41=246X3=4X8 5=27+3+6=56+7 3=49+9+7=4X3 + 2=6 +3X7=8 + 4X3=6X5+37=12 + 4+18=16 + 4X8=8 + 4+48= 25+5+36=6X842=2X8 + 4=8X9 + 9=36+6

10、+ 3=9 +9X6=42+7X6=96- 80+7=64- 40- 8=40- 4+20= 7X5 8= 14+7+25= 15+5+8=8X9 8=1 X2+20=16+8+30=7X7+8= 54+ 6+33=510+200=15- 45+ 9= 11 40+ 8= 7+1X8=130+80=46- 8= 8X5-7=9X3 8=30+ 6=36+ 4=4X 5+44=48+8+7=1800+200=93- 80=6X 5+37=10- 8+1 =7X8=73- 4=3X 8 + 4=7X6+10=72+8=64- 8=24 X 0=71-7+30=6+2X8=35- 9=70- 5X9

11、=8X 9+21 =3X6=18+ 3=18+ 6=15+ 3=6+3=1 + 1 =12+2=5 + 67=25 + 5=18+6=42+6=2X 5=20 + 5=6+1 =24+3=2+2=5+5=2 + 2=2X6=5+ 5=30 +6=12+2=6X6=18+6=9+3=2X7=25+5=12+6=4X 3=15+5=12+4=12+6=16 + 4=30+5=3X3=15 +3=12 + 4=24+6=15+ 5=20+4=8+2=16 + 4=33- 9=30+6=24 + 4=20 + 4=18+3=24+4=4X4=15+3=8+72=8+4=20 + 4=10+5=3X6=

12、10+5=24 + 6=5+1 =42-5=42+6=2X 5=18+6=20 +5=24+3=1X 1 =30+6=50- 7=20+5=2X 1 =4X5=10+5=4+2=2X 2=6X3=26+ 7=18+3=8+2=4 + 4=9+3=12+6=10 + 5=25+5=18+ 6=12+3=9+3=36+6=30 +5=15+5=5X 6=5+1 =20 +4=16+4=30 + 5=8 + 4=5X4=27-8=24 + 6=10+2=17-9=39- 24=25 + 5=5X7=3+18=36+6=20+5=25+ 19=30- 18=18+3=18 + 3=9 + 3=77-

13、19=8+4=8X 6=30+5=24+ 6=1X 1 =39 24=20 + 4=30+6=2+2=32 +8=16 +4=7X8=1+ 1 =19 -7=25+5=20+5=4+ 1 =12 + 6=3X6=18- 6=4+ 4=12 + 6=18+3=15+3=9+ 9=30 + 6=30+6=5X5=25X 3=15 + 3=25+5=51-8=268+125=25 + 5=3X4=8+12=280+40=20 + 5=20+5=36- 7=66- 22=24 +4=24 + 4=24+6=46 X 20=20 + 4=18-6=24+ 6=85- 42=15 + 6=6X2=16+4

14、=90- 31 =36 + 6=18+6=25+ 19=60 X 9=8+ 12=4X5=10+5=55+ 41 =15 + 5=18+6=35+ 6=30 X 4=27-8=4X5=20+4=81+ 12=400 X 5=17X 3=8X6 + 7=300X7=45 + 3=12+88=52+23=85+ 47=51 + 31 =630+9=6X4 + 2=310X3=13X3=350+7=120X4=200X5=60 + 4=700X 2=80 X 5=320X2=120-50=18X4=40 X 5=660+6=300-64=320 X 3=15X 5+5=700X2=64 X 10=6

15、0 X 15=600-50=80 X 3=6+6X7=72+6 + 2=56 X 2=70+ 550=400 X 5=400 X 3=200-36=800X6=50-31 =8 + 2X20=15+5X 3=500X4=425 X 0=22+40=380+50=540+9=528-0=7X8 7=789+0=14X 5=450 + 80=56 + 8=300+5=350-80=57+140=380190=15X 4+8=570+50=800X2=400X6=680X0=23X 3=3000-400=50-23=40 X 25=180+3=420 + 7=35 X 0=6X6+6=200X8=6

16、X 80+20=40X6=43- 24=530-70=420-330=300X 6=11X9=850X2=5X 28=7 + 3X4=120X3=263-80=60X5=90-26=360+80=850+2=98 + 26X0=60+6=84+21=420-80=30+6=30+3=200X4=80+120=20X3=50+50=20X 5=32 X 3=100X2=14X 7=360-60=75+25=13X4=62+18=60+100=16X 3=300 X 3=15X6=60+ 4=40+ 2=36-12=42+7=90+ 3=42+58=400X2=5 + 5=66+ 2=600X8=

17、40X2=700-300=300X4=100+2=15X2=16X 5=24+54=880-300=200X4=98 48=51-3=40- 25=600 + 6=21 X 4=92+6=27+36=60 + 6=72+8=72-41 =48- 16=72 + 8=9X 110=60+ 3=130-90=21+7=17X4=12X4=12X 5=78-28=68- 17=0X800=60X2=20+180=20- 14=140-60=52+4=480-80=90- 15=48+ 4=13X 0=40 + 4=80 X 5=20+ 2=40+ 2=80+60=72 24=6000+6=600X2

18、=28+2=900+9=25X 3=12X 8=40 + 2=50-25=15X 6=15+ 5=1X40=660-600=490+7=42+2=10+30=140X 3=84+ 4=777+7=500 X 6=160X6=43X2=320X4=46-2=80+2=5X 17=0+54=200 + 5=60X6=86+ 2=45X2 =800 X 3=44- 12=95+ 5=24 X 5=120-20=39+3=520X3=42+2=300 X 5=32 X 3=63+ 7=777+7=5X 60=14X6=280+7=320X4=36 + 2=15-6=45+ 3=0+54=14 X3=3

19、8+27=91+1 =45 X 2 =20-20=40X6=25X4=24 X 5=120X4=500 X 3=3600+4=42+2=17X2=22X4=102X5=777+7=50+3=100+5=88+ 4=320X4=16 + 2=480+8=22X4=270+9=18+16 =68 X 8=66 X 3=900+3=93-28=33+3=66+ 3=4X60=86 66=8 X 700=180X7=45 X 6=95-7=26 X 3=0+54=35 X 0=130X3=90X4=45X2=0+ 17=25+17=2X45=24 X 5=34 X 2=40-2=770 + 7 =5X

20、30=560-7=9X 72=200-2=81-9=30X6=640 + 8=65 X 2=700 + 7 =80 X 5=86-2=6X42=76X2=96-3=700X4=65-5=50 X 9=71 -22 =3X 16=8X 100=75-5=60-2=3X 80=30 X 2 =400-8=450X3=200-4=42-2=1000-5=100-5=8X 50=800-2=240 X 0 =40-8=46-1 =7X8=20X 7=230 X 3 =88-4=90-3=320X3=29X 3=10X7=94 X 4=250X4=208X6=36-3=4X 50 =403X3=200-

21、4=600-3=6X30=5X307=13X 3=1000X4=52 X 3=390 + 3 =90-3=700-7=84-4=200-5=290-190 =840 + 2 =8X63=600X9=4X 19=12X4=600 X 9=120-4=540-9=20X6=990+100=640-2=77-7=93X3=5000-5=860X2=240-8=300-5=63-3=68 X 5 =2X 16=31 X 8=80-4=OX 13=690 + 3 =39X2=2X29=268+125=528-0=100 + 1 =23 X 9 =280+40=450+80=70 + 5=12X 7=66

22、- 22=57+140=100-19=80X4=46 X 20=800X2=29X3=4X25=85- 42=3000-400=79X6 =4X21 =90- 31 =420+7=2X 28=14X 7=60 X 9=6X 80+20=0X 65=720+9=55+ 41 =420-330=9X 13X0=5X 14=30X4=5X28=50+43=560+8=81+ 12=60 X 5=46X2=70 X 8=400X5=17X 3=7X 140=61+19=45+ 3=12+88=18X2=36X2=51+31 =630+9=350 X 4=0X999=13X 3=350+7=87 + 3

23、=18X4=60+ 4=700X2=820 + 2=3X 13=120-50=18X4=23X4=60+3=300-64=320X3=100-63 =90-28=64 X 10=60 X 15=2X 27=12X 5=6+6X7=72+6+2=28 + 4=7X85=400X5=400X3=130X3=2X45=50- 31 =8+2X20=83-26=25 X 3=425X0=22+ 40=7X 8-7=789+0=14X 5=60+ 6=56 + 8=300+5=350-80=72+8=380-190=15X4+8=570+50=21 + 7=400 X 6=680 X 0=23X 3=7

24、8- 28=50-23=40X25=180+3=20+180=35X0=6 X 6+6=200X8=480-80=40X6=43-24=530-70=40+ 4=300 X 6=11X9=850X2=80+60=7+3X4=120X 3=263-80=28+2=90-26=360+80=850+2=40+ 2=8X 6+7=300 X 7=98+ 26X 0=60+6=52+23=85+ 47=30+6=30+ 3=6X4+2=310X 3=20X 3=50+50=120X4=200 X 5=100X2=14X 7=80X5=320X 2=13X4=62+18=40X5=660+6=300X3

25、=15X6=15X5+5=700X 2=36- 12=42+7=600-50=80 X 3=400X2=5+ 5=56X2=70+550=40X2=700-300=200-36=800X 6=15X2=16X 5=15+5X3=500X4=200X4=98- 48=380+50=540+9=600+6=21X4=72+8=72-41 =48- 16=120X4=9X 110=60+3=130-90=17X2=17X4=12X4=12X 5=50+3=68 -17=0 X 800=60 x 2=16+ 2=20-14=140-60=52+4=18+16 =90-15=48 + 4=13X 0=9

26、3- 28=80 X5=20+2=40+ 2=86- 66=72 24=6000 + 6=600X2=95- 7=900 + 9=25 X 3=12X 8=130X3=50-25=15X6=15+ 5=25+17=84+21=420-80=1X40=660-600=200X4=80+120=10+30=140X3=20X5=32 X 3=500X6=160X6=360-60=75+25=46- 2=80+ 2=60+100=16X 3=200+5=60X6=60 + 4=40+2=800X3=44- 12=90 + 3=42+58=120-20=39+ 3=66 + 2=600 X 8=300

27、X5=32 X 3=300 X 4=100+2=5X60=14X6=24+54=880-300=36+ 2=15- 6=51-3=40-25=14X 3=38+27=92+6=27+36=20- 20=40X2=300X2=50X3=400X2=300X2=100X7=200X3=80X5=900X7=11X8=31 x 3=41 x 2=5X 6+4=7X 2+8=12X2+3=20+370=330+160=720-140=900-640=650+300=480+120=47+30=63+ 3 =70+ 5 =2X9+3=4X 7+9=22+ 2 =3X4 + 5=3X6+7=56+ 2 =

28、2X7 + 8=3X 9+4=57+ 3 =2X8 + 6=6X6+7=90+ 5 =2X9 + 5=9X2+8=27 + 46 =90 X 9=4X 7+5=90 + 47 =8X() <653X 9+4=18 + 15 =()X 9<38；8X8+7=92 + 65 =6X( ) <45X 5+9=18 + 53 =()X 9<2042 X 3=3 X 7+4=7X () <5025X 3=4X6 + 2=5X() <3280 X 9 =5X9 + 6=600 X 4=52X 7=?3X8 + 9=50 X 9=80X 6=?9X2 + 4=70X 7=

29、400 X 8=5 X 200=8 X 800=104 X 3=()X 5<375X500=0X 105=7X( ) <4319X4=900 X 2=()X 9<64()X 3<25540 + 3=4 X 400=2X () <15180+170=?900 X 3=()X 4<25500-192=800X4=560+80=16 X 4=20X40=46 X 20 46 -29X 600 =630 + 3=68+ 17=6320 70 X 9800X4 =120+6=(25-7) X 0=?21 X 6021 X 520X 7 =?210 X 2=5X0X3=

30、25X4024X58X 50 =123 X 3=(5+25) X4=32X 3024X6600X9 =37X6=32 + 4+13=308X40130046+ 2 =900 + 18=16+7 X 2=34X 5035 X 466+ 6 =64 + 2=30 X 6 X 4=0X 19019+031X 3 =23X4=6 X (580-80)=46+ 2 =70X 5 =300 + 60=420-210 X2=48+ 2 =34 X 2 =90 + 6=100X 3+32=80+ 4 =84 - 34=910 + 7=180 X 5-120=84+ 4 =44+ 46=280+60=5X4X1

31、00=1100-500=300+800=80+16=45+9X200=50- 26=25+ 57=750-300=(100-50) x71-24=24 X 2 =62+18=50=1300-600=82+2 =360 + 40=(501-1) X1 =6X70 =15X 3 =20 X 40=750-250 x 0=6X700 =13X 5 =750-300=850-()=30060+ 2 =12X4 =900 + 18=200 X 1 =40 X 5 =14X 5 =750 + 25=230 X 40100050 X 8 =36+ 3 =84 + 21 =8400120 X 760 X 7

32、=80+ 2 =70X3 =28+20=210X4 =84- 34=60X4 =71+23 =3000+300=65- 59=80 + 4 =73 - 70=46+ 2 =70- 32=42 + 7 =420+80=2X320 =63- 25=60 + 3 =500-60=40+ 2 =54+ 18=66 + 3 =34+25=110X7 =47+ 32=69 + 3 =87-35=65+ 27=50 X 6 =40 + 2 =26+44=4700 - 4000=40 X 8 =88 + 4 =80-27=1200-600=200X5 =46 + 2 =999X 0 =48+ 2 =31X2

33、=66 + 3 =60+3 =2X230 =55+ 37=44 + 4 =35+47=65- 27=66+ 24=30X2 =26+34=400+700=65- 35=300X2 =47 - 35=700X4 =80- 26=50X4 =45 - 37=27+ 23=70X 8 =500X4 =69+3 =63+ 3 =4X60 =30-18=800 X 3 =5X600 =90 X 5 =77-19=700+500=60 - 24=30 X 6 =25+19=4X500 =90+ 9 =46+ 2 =39 24=1600 -800=68+ 17=48+ 2 =36 + 6=80+2 =700

34、+900=80+ 4 =18 + 3=47-35=39+ 43=84+ 4 =1100-500=300+800=30 X 2 =26+ 34=50-26=25+57=300X2 =47 - 35=71-24=24X2 =50 X 4 =45 - 37=1300-600=82+2 =500X4 =69+ 3 =6X 70 =15X 3 =30- 18=800X3 =6X 700 =13X 5 =77- 19=700+500=60 + 2 =12X4 =25+ 19=4X 500 =40X5 =14X 5 =39- 24=1600- 800=50X8 =36+3 =36+ 6=80+ 2 =60X

35、7 =80+2 =18+ 3=47- 35=9X 600 =70X 3 =28+20=210X4 =800X4 =60X4 =71+23 =3000+300=20X7 =80 + 4 =73- 70=46+ 2 =8X 50 =42+7 =420+80=2X 320 =600X9 =60+3 =500-60=40+ 2 =46 + 2 =66+3 =34+25=110X7 =66 + 6 =69+3 =87-35=65+ 27=31 X3 =40+2 =26+44=4700- 4000=70X5 =88 + 4 =80-27=1200-600=34X2 =46+2 =999X0 =48+ 2

36、=84 - 34=66+3 =60+ 3 =2X 230 =44 + 46=44 + 4 =35+ 47=65- 27=400 + 700=65-35=20X 7 =80+4 =700X4 =80-26=8X 50 =42+7 =27 + 23=70X8 =600X9 =60+3 =63 + 3 =4 X 60 =46+2 =66+3 =5X 600 =90 x 5 =66+6 =69+3 =60 - 24=30X6 =31X 3 =40+2 =90 + 9 =46+2 =70X 5 =88+4 =68+17=48+2 =34X 2 =46+2 =700 + 900=80 + 4 =84 -

37、34=66+3 =39 + 43=84 + 4 =44+ 46=44+4 =84 - 34=1100-500=300+800=30X2 =65-59=50-26=25+ 57=300X2 =70-32=71-24=24X2 =50 X 4 =63-25=1300-600=82+2 =500 X 4 =54+18=6X70 =15X 3 =30- 18=47 + 32=6X700 =13X 5 =77- 19=50 X 6 =60+2 =12X4 =25+ 19=40X8 =40 X 5 =14X5 =39- 24=200X5 =50 X 8 =36+3 =36-6=31 X2 =60X 7 =

38、80+2 =18-3=55+37=9 X 600 =70X 3 =28+20=66 + 24=800X 4 =60 X 4 =71+23 =73 - 70=46+2 =70- 32=450+500=420+80=2 X 320 =63- 25=360-80=500-60=40+2 =54+ 18=50+ 800=34+25=110X 7 =47+ 32=9X6=87-35=65+27=50 X 6 =72+8=26+44=4700 - 4000=40 X 8 =28+7=80-27=1200-600=200X5 =5X 9=999X0 =48+2 =31X2 =360-30=60 + 3 =2

39、X230 =55+ 37=730-700=35 + 47=65-27=66+ 24=18+ 3=26 + 34=400+700=65- 35=3400-300=47 - 35=700X4 =80- 26=120+400=45 - 37=27+23=70X 8 =21 + 7=69 + 3 =63+3 =4X60 =700+800=800X3 =5X600 =90 X 5 =9X4=700+500=60 - 24=6X3=48+ 6=4X 500 =90+9 =49+ 7=1200+800=1600- 800=68+ 17=18+ 6=720+80=80 + 2 =700+900=45+ 32=

40、8X 7=47-35=39+43=24+ 8=460+400=210X4 =84 34=40+ 5=6X 8=3000+300=65-59=500+300=6X 7=45 + 5=400 X 8=57-35=200X5=200 + 800=43+6=12 + 12 =7X 3+9=24-6=23X6=206X5=36+ 7=8X 3=256-97=530X3=380+19=3000-1500=7 X 7+6=302+56=40X100=760 + 60=62+36=22X6=2020+35 + 7=28+3=40 X 9=20=27 + 53=51-11 =25X6=75-75 +240-12

41、0=17+2=801 X 9=5=5000-500=40 X 5=0X8+5=40+360+3600-600=42 X 3=11X3=90=70X2=44X2=9X5-13=15X 4X3X 300=78 - 48 =130X6=8=200X8=36+5=26+ 4=100-13 x850-660=16X4=1-34 + 14 =6=80+240=870-530=25+82=660+60=7X 90=470+65=78X 3=70X 30=57 - 27 =13X4=35+55=34+ 17=23X7=68+27=81-33=7000-340860-300=4 X 500=35 X 3=21

42、X 9=0X58=240+109=3044+30620X4=900X 6=39 + 29 =6409+23=420-20=800+4=48+ 4 =386-15=93+3 =330+3=540+ 9 =260-80=880+4=3X23 =90+ 9 =31 - 23 =1200-200 =64 +2=13X 3=26+9=11 X 7 =58+ 26=600X7 =57-38=80 46=34 X 2 =120X3=1500-700 =0 + 51 =550+5=480+2 =42X2 =0 + 76=800X8=39+ 3 =99 +3 =0X85 =420+2=560+8 =770 +

43、7 =70+7 =63+ 3 =990+3 =660 + 3 =14X2 =160+4=3X 200=960 + 3 =5X900=800+700=620+2 =180 + 9 =2X200=690+3=660+2 =65+15=84 + 4 =58- 0 =640+8 =660 + 6 =0 + 91 =2X440=880+4 =800 X2 =930+3=48+ 2 =7500-500=50 + 5 =390+3=480+2=0+91 =3X 800=0 +22=60 X 5 =12X4 =420 + 7 =83-57=2X44 =3X 31 =3X 220=29+68=840+4=0X

44、57 =480 + 4 =68-49=440+4=120X4 =58+33=80X 7 =32 X 3 =0X 97 =360 + 9 =44X2 =960 + 3 =32X2 =2X440=460 + 2 = 70+500=3X 33=280 + 4 =9X400=3X 330=690 + 3 = 49+33=700 + 7 =23X3 =78 -36 =11X4 =230X3 =310X3 =390 + 3 =230X3 =11X4 =82-55=900+3=13X 3 =310X 3=450 十 9一34+ 56=720+9=360+6=96+ 3 =4700-700 =37+ 56=2

45、X 330=600+3=32 X 3 =50 x 6=48+28=70X 7= 1200680+2 =640+8=-700 =620+2 =480+8=300+6=6X 800=7X50 =50 X 7 =960+3 =800+8=0X37 =1500-900=880+8=53- 14=1800-800=9X500=17+27=63+ 3 =80+ 17=840+4=26+ 57 =54+28=2X 14 =800+8 =42 X 3 =140+2=33+ 57 =1700-800 =660+ 6=600X3 =90+3 =7X800=37+8 =180+3=7X700=480+8 =300+5=840+2=630+3 =930+3=430X2=62-33=800+4=540+9=500+500=60- 15=31X 3 =33 X2 =800 + 2 =24X2 =31X2 =200X3=700 +8 =30X 70=14X20=41X20=0+ 47 =10X 74=6X90 =21X 30=560 + 7 =50 X 10=20X 33