(完整版)小学二年级数学口算题大全(每页100题)

1、小学二年级数学口算题大全（每页10题）42+7= 35-6=28-7=21-3=6-4=18-2=63-7=9X6=9X9=46+ 10=65+40=81-9=55-20=9+46=9-3=9-9=58+32=80-28=33+60=54-6=40+8=61-13=15-5=9X 3=42-15=18-9=180-60=72-40=47+8=14+85=61 + 27=170+20=5X9=7X7=73+16=60+300=10-5=83-29=5X6=43-17=21 + 27=32-8=30-6=36-4=64-8=5-1 =15-3=16-8=42-6=400+50=38+26=93-8

2、=49-7=6X9=56-30=35-5=27+25=27-9=53+8=4X 9=8-2=32-8=8+ 1 =9X 9=84+7=80-44=1800-900=420+80=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 =7-7=96-42=58-36=5X7=72-9=36+ 6=81-9=42+13=24-3=24+8=27-3=42+13=42 6=7+44=42-7=64 8=21-3=4X 8=54-9=49+7=42-7=35-7=19+41=130+80=46 8=8X 5-

3、7=9X 3-8=30-6=36 + 4=1800+200=93-80=7X8=73-4=72-8=64-8=24X0=27-9=53+8=4X9=8-2=32-8=8-1 =9X 9=84+7=80-44=420+80=500-60=89-8=64-8=34+9=14-7=5+58=64-8=6X3=9X 9=54-9=78+15=83-20=43-30=9+ 1 =7-7=96-42=58-36=5X7=72-9=36-6=81-9=42+13=24-3=24+8=27-3=42+13=42 6=7+44=42-7=64 8=21-3=49-7=42-7=35-7=19+41=7X8=73

4、-4=72-8=64-8=24X0=510+200=7+1X 8=130+80=46-8=8X5-7=9X3-8=30-6=36-4=24-4=7+63=9X 4=36-6=9X7=56-8=28+6=7X5=36+4=30-5=63-9=64-8=38+16=45-5=7-1 =25+23=12+35=27+71 =46+33=40-8=21 + 15= 36+22=59+18=72+24=41-29=44-9=72+16=43+32=35-8=56-7=8X2=7+56=56-7=12-6=4X2=21-7=7X3=8-8=32-4=80-9=42-7=35-6=28-7=21-3=36-

5、4=18-2=63-7=9X6=9X9=46+10=65+40=73+16=55-20=9+46=9+3=9+9=58+32=80-28=33+60=54+6=40+8=61-13=15+5=9X3=42-15=18+9=180-60=72-40=47+8=14+85=61 + 27=170+20=5X9=60+300=10-5=83-29=5X6=43-17=21 + 27=32-8=30-6=36-4=64-8=5+ 1 =15-3=16-8=42-6=400+50=38+26=93 8=49-7=6X9=56-30=35-5=27+25=72+24=7+63=9X4=36+6=9X7=5

6、6+8=28+6=7X5=36 4=30+5=63+9=64+8=38+16=45+5=7+1 =25+23=12+35=27+71 =46+33=40+8=21 15=36 22=41-29=44 972+16=43+32=35-8=56-7=8X2=7+56=56-7=12-6=4X2=21-7=7X3=8+8=32-4=80 9=42-7=35-6=28-7=21-3=36-4=18-2=14+85=9X6=9X 9=46+10=65+40=81-9=55-20=9+46=9-3=9-9=58+32=80-28=33+60=54-6=40-8=61-13=15-5=9X3=42-15=1

7、8-9=180-60=72-40=61 + 27=170+20=5X9=7X7=73+16=60+300=10-5=83-29=5X6=43-17=21 + 27=32-8=30-6=36-4=64-8=5+ 1 =15-3=16+8 二42-6=400+50=38+26=93-8=46+33=6X9=56-30=35-5=27+25=24-4=7+63=9X 4=36-6=9X7=56-8=28+6=7X5=36+4=30-5=63-9=64-8=38+16=45-5=7+ 1 =25+23=12+35=40-8=21 + 15=36+22=59+18=72+24=41-29=44-9=72

8、+16=43+32=35-8=56-7=8X2=7+56=56-7=12-6=4X2=21-7=7X3=8-8=32-4=80-9=42-7=9X 3=28-7=21-3=36-4=18-2=63-7=9X6=4X2=9X 9=46+10=65+40=81-9=55-20=9+46=9-3=9-9=58+32=80-28=33+60=54-6=40-5=61-13=42-15=18-9=180-60=72-40=47+8=14+85=61 + 27=170+20=5X9=7X7=73+16=604300=10-5=83-29=5X6=43-17=21 + 27=32-8=30-6=36-4=6

9、4+8=5-1 =8+ 4 x 3=16-8=42-6=400+50=38+26=93-8=49-7=6X 9=56-30=35-5=27+25=27-9=53+8=4X 9=8-2=32-8=8+ 1 =9X 9=84+7=80-44=14-7=4X 3-2=6X5+37= 12-4+18=16 + 4X 8 8-4+48= 25-5+36=6X8-42=2X 8-4=8X 9 + 9= 36-6-3=9+9X6=42-7X6=96-80+7= 64-40-8=40-4+20=7X5-8= 14-7+25=15-5+8=8X 9-8=1 x 2+20=54-6+33=510+200=15-4

10、5-9=11 40+ 8=7+1X8=130+80=46-8=8X5 7=9X3 8=30+6=36 + 4=4X5+44=48+8+7=1800+200=93-80=6X5+37=108+1 =7X8=73-4=3X8+4=7X6+10=72+8=8+2=32+8=4900-1800=20+80=7+63=430+1000=500-60=89 一 8=64一 8=34+9=14+7=5+58=64 + 8=6X 3=9 X 9二72-8=78+15=83-20=43-30=9+ 1 =280+450=7-7=3600+5800=8X 9+21 =730-190=3700-370=85+55=

11、9X4=36+6=9X7=56+8=28+6=7X5=36+4=30-5=63+9=64+8=38+16=45+5=7-1 =25+23=12+35=27+71 =46+33=40-8=21 + 15=36+22=59+18=72+24=9X6=44-9=72+16=43+32=35-8=56-7=8X2=7+56=56-7=12-6=4X2=21-7=7X3=8-8=32-4=80-9=42-7=35-6=28-7=21-3=36-4=18-2=4X2=9X 9=46+10=65+40=81-9=55-20=9+46=9-3=9-9=58+32=80-28=33+60=54-6=40-8=6

12、1-13=15-5=9X3=42-15=18-9=180-60=72-40=47+8=49+7=61 + 27=170+20=5X9=7X7=73+16=60+300=10-5=83-29=5X6=43-17=21 + 27=32-8=30-6=36-4=64-8=5+ 1 =15-3=16+8 二42-6=400+50=38+26=6X9=56-30=35+5=27+25=27+9=53+8=4X9=8+2=32+8=8+ 1 =9X9=84+7=80-44=18-900=27+23=64+28=23+49=24+57=34+58=26+8=37+5=77+5=46+27=26+57=4+1

13、8=68+13=32+18=65+56=28+16=6+16=54+18=46+7=46+37=24+8=36+48=25+37=86+7=52+18=26+8=5+39=72+9=15+38=25+16=53+39=25+37=66+17=69+21=28+54=39+28=19+62=58+32=43+28=18+23=43+8=36+15=29+35=25+37=54+7=34+9=24+16=58+34=42+9=29+27=19+35=68+12=27+28=33+27=70-3=81-18=71-26=72-25=40-19=72 7=77 22=91 65=49 40=45 30

14、=62 7=81 3=74 21=90 9=77 39=30 12=50 36=64 38=28 19=35 19=62 59=50 42=77-19=71-33=72-28=34-28=50-32=92-47=41-72=82-16=85 57=21 15=53 35=44 44=32 23=40 28=43 26=37 21=46 17=65 47=74 47=81 13=65 32=72 67=55-28=41-27=92-68=62-57=60-22=70-21 =88 9=44-19=66-38=71-28=5+40=70+1 =544=30-18=13+60=36-17=4+40=

15、17+48=60+3=76-6=87-19=60+3=32-26=56-28=49+3=32-26=62-29=42-27=95-57=67-7=8+20=2+30=944=6+50=70+8=48-19=37-7=2+50=26+58=65+19=52-28=35+26=8+70=23+719=85-58=24+28=78-19=26+28=52+29=55+17=74-15=54-48=88-28=81-34=35+36=44-15=3X6=18-3=18-6=15-3=6-3=25-5=20-5=5-5=30-6=9-3=30-5=16 + 4=12 + 4=8+2=24 + 4=4X4

16、=20 + 4=24 6=2X5=6X9=2X9=9X4=8 2=10+5=9+3=5X6=49+7=18 6=6 2=6 2=12 2=2X7=24-6=16-4=20-4=15-3=10-5=5+ 1 =18-6=30-6=4X5=6X3=16-4=25-5=36-6=5+ 1 =12-2=42-6=24-3=2X6=6X6=25-5=12-4=3X8=24+16=33-9=18-3=8+72=3X6=42-5=20-5=50-27=10-5=26+7=18-3=18+6=30-5=20+4=5+67=4X9=18+23=43+8=36+15=29+35=25+37=58+34=42+9=

17、45+5=1 + 1 =5X5=72-8=9-9=24-8=14+7=6-1 =15-3=3X 6-2=4+2=6X2=6-2=10-5=70 - 52=49-7=10-2=54-6=20-4=4X 9+6=24-3=3X6=9+3= 90-45=24 + 4=15+5=27+9=9X9=72+9=3X4 + 2=36 4=5 5=56+41=56 7=16 2=42 6= 18+2=5X 1 = 45-39=3X6 + 3=24 6=4X 5=27-3=8+4=56+8=36-9=3X 6-6=45+5=6-6=12-6=1 x 4=18-6=1 x 8=24-8=36-6=48-6=4 x

18、 6 + 8=54-6=7-7=5+ 1 =1 X 6=56-8=21-7=28-7=7X3=35-7=2X 3-6=42-7=45-9=30-6=49-7=9X2=56-7=64-8=24-6=63-7=8X 5 8=4X 3=16-8=72-8=2X 7=9-9=27-9=5X7=18-9=8X 3=81-9-3=72-9=81-9=9+ 1 =18-9=1 x 1 =42-6=24-8=36-4=63-7=19-2X4=2X5=54-6=2X 8=20-4=4X7=49-7=10-2=30-6=3X7=3X 8+40=45-9=9X 4=5X7=6X2=32-8=1X5=48-8=2X7

19、=4X8=2X6-4=7X6=12-2=4X 9=12-4=5X8=6-3=7X9=63-7=32-8=40+ 8X 5=2-1 =5X3=2X6=64-8=3X3=5X#=3X2=16+8=23+17=16+2+ 4=42+6=1X9=54+9=6X3=3X 1 =9X6=6X4=4X4=6 5= 27+9X7=8X 1 =54+6=7+1 =8 8=63+7=8 9=8X5=40+8=9义3=54-9X 3=6X 9=30-6=7X3=9X 9=16 + 4二7X7=28-7=40-8=6X6=63-9X4=7X4=9+ 1 =7X8=24-6=7X5=24-3=819=3X6=25+41

20、=56-7X6=14+2=15-3=63+24=9X2=36-6=9X5=35-7=27-3=4+4=56+8X 9=36-9=42-7=12-3=5X9=20-4=5X7=9X 8=18-3=8+ 1 =1X6X8=9-9=16-2=71-68=9X 3=45+45=5X 9=66+26=5X5+52=72-8=9X 8=52+35=8+4=14+2=6X 2=6-2=49-7=10-2=54-6X4=27-9=20-4=3X6=30-6=15-5=49-7=9X 4=8-8=9X7=42-6X6=24 + 4=18+9=9 x 9二72-9=2X2=30-6=14+2=7X8=35-5=5

21、X 6+41 =80 一 4610-5=42-6=7X2=18+2=65+26=5X6=36-9=4X8=75-64=2X 1 =8-8=32-4=85-62=20-5=6X5=40-5-2=16-8=50+40=21-3=5X8=28-7=5X4=24-8=6X7=35-5=4X 9-6=21-7=3X8=8-2=12-2=30-5=18-3=5X2=48+6=42+36=8+ 1 +4=25-5=63-9=28-4=5X5=81-9=3X6=25+41=14-7=4X3=90-65=4X5=41+25=4X7=35-7=4X9=78-19=3X8=12-4+9=1 + 1 =5X5=72-

22、8=81-9=8X2=18-9=27-9=27-3=3X4=27-9X9=5-1 =4X 3=15-3=18-2=8X6=4-2=6X2=6-2=42-6=4X6=9X2=8+4 二49-7=45-6=10-2=3X6=9-3=8X6=4+ 1 =9X 9+12=72-9=4X5=36+ 4=45-5=39+45=30-6=42-7=10-5=4X2=18-2-3=9X5=15-5=21-3=8X4=24+ 4=8X7=16-2=4X8+52=24-6=3X7=8-8=32-4=3X5=6+ 3=3X 9=63-9=4X 9=25+ 5X 8=6X5=30-5=6X6=40-5=8X7=81-

23、9=36+42=21-3=4X2=48-6X4=35-5=21-7=3X8=8-2=4X 1 =18-3=8X 9=28-4=9X 1 =8+ 1 X8=3X6=28-7=24-8=3X9=20-5=4X 1 =12-3=5X 7-20=25+41=14-7=6+6=63+24=42-7=5X2=56-7=3X 7=12-2=4X 9+40=75+21=6957=49+37=81 25=40-8=25X3=268+125=280+40=66-22=46X20=85-42=6X80+20=60X9=55+41 =30X4=581 + 12=400X5=45-3=51 + 31 =13X 3=60

24、-4=120-50=300-64=64 X 10=6+6X7=400 X 5=50-31 =425X0=528-0=450+80=57+ 140=800X2=3000-400=420-330=5X28=60 x 5=17X3=212+88=630-9=350-7=700X2=18X4=320X3=60 x 15=72-6-2=400X3=8+2X20=22+40=7X8-7=56-8=380-190=400X6=50-23=35X0=40 X 6=120X3=7+3X4=90-26=8X 6 + 7=522+23=6X4 + 2=120X4=80 x 5=40 x 5=15X5+5=600-5

25、0=56X2=200-36=15+5X3=380+50=789+0=300-5=15X4+8=680X0=40X25=6X 6+6=436-24=360+80=300X7=85+247=310X3=200X5=320X2=660-6=700X2=80X3=70+550=800X6=500X4=540-9=14X 5=350-80=570+50=23X3=180-3=200X8=530-70=850X2=263-80=350-80=98+26X 0=102X2=700X3=310X3=300-5=80 x 5=6000+4000=5000500=8600600=1300500=600X4=59+

26、42=8738=43X7=245X9=309X5=490 X 5=70+550=800X6=500X4=570+50=23X3=180-3=200X8=530-70=850X2=263-80=850-2=98+26X 0=102X2=700X3=310X3=300-5=80 X 5=6000+4000=5000500=8600600=1300500=600X4=59+42=8738=43X7=60 + 4=309X5=490 X 5=75+21=6957=49+37=81 25=40-8=25X3=268+125=280+40=66-22=46X20=85-42=90-31 =60 X 9=5

27、5+41 =30X4=581 + 12=400 X 5=45-3=51 + 31 =120-50=300-64=64 X 10=6+6X7=400X5=50-31 =425X0=528-0=450+80=57+140=800X2=3000-400=420+7=6X80+ 20=420-330=5X28=60X5=17X3=212+88=630+9=350+7=700X2=18X4=320X3=60 X 15=72-6-2=400X3=8+2X20=22+40=7X8-7=56-8=380-190=400X6=50-23=35 x 0=40 x 6=300 x 6=7+3X4=90-26=8X6

28、 + 7=522+23=6X4-2=120X4=80 x 5=40 x 5=15X5+5= 600-50=56X2=200-36= 15+5X3=380+50=789+0=300-5=15X4+8=680X0=40X25=6X 6+6= 436-24=111X9=120X3= 360+80=300X7=85+247=310X3=630-9=350-7=700X2=18X4=600-50=60 X 15=72+6+2=400X3=842X20=22+40=7X8-7=56 + 8= 380-190=400 X 6=50-23=35 X 0=40 X 6=300X6=7+3X4=90-26=8X6

29、 + 7=522+23=6X4-2=120X4=80X5=40 X 5= 15X 5+ 5=56X2=200-36=15+5X3=380+50=789+0=300-5=15X4+8=680 x 0=40X25=6X 6+6=436-24=111X9=120X3=360+80=300X7=85+247=310X3=200X5=320X2=660+6=700X2=80X3=120X4=350-7=700X2=18X4=320X3=60 x 15=72-6-2=400X3=8+2X20=22+40=7X8-7=56-8=380-190=400X6=50-23=35 X 0=40X6=300 X 6=

30、7+3X4=90-26=8X6 + 7=522+23=80 x 5=40 x 5=15X5+5=600-50=56X2=200-36=15+5X3=380+50=789+0=300-5=15X 4+ 8=680X0=40X25=6x 6+6=436-24=111X9=120X3=360+80=300X7=85+247=310X3=75+21 =6957=49+37=81 25=40-8=25X3=268+125=280+40=66-22=46X20=85-42=90-31 =60 X 9=55+41 =30X4=581 + 12=400 X 5=45-3=51 + 31 =13X 3=60+

31、4=120-50=300-64=64 X 10=6+6X7=400 x 5=50-31 =425X0=528-0=450+80=57+140=800X2=3000-400=420-7=6X 80+20=420-330=5X28=60 x 5=17X3=212+88=23+19=64-45=96-3=58+36=40-11 =110-60= 560-5000=80-8=60-6=44+49=99-9=8800-80=960-6000=800-60=64+26=77-7=93-31 =44+49=15+67=63-52=19+61=80-55=50-39=82-62=30-6=23+36=6000

32、+900=20+67=36-18=78+19=84+ 4=21X3=82-26=64+26=19+66=80-22=7X 10=85+28=76-17=22+29=42-2=40-11 =90-43=31X2=93-31 =110-60=63-25=31-15=34+19=18+71=50-5=310-1000=1600-700=5400-400=78-69=18+71 =2000+60=58+36=9300-300=80-22=44+29=76-17=34+19=82-62=7X 10=93-31 =23+19=1100-100=23+19=82-26=150-90=50-39=800+60

33、0=18+71 =45-5=39-3=96-3=39-3=50-5=22-2=44+29=63-52=34+19=180-9-18=24+ 4二7+63=9X 4=36-6=9X7=56-8=28+6=7X5=36+4=30-5=63-9=64-8=7-1 =25+23=12+35=27+71 =46+33=40-8=21 + 15=36+22=59+18=72+24=41-29=44-9=72+16=43+32=35-8=56-7=8X2=7+56=56-7=12-6=4X2=21-7=54-6=8-8=32 + 4=80-9=42-7=35-6=28-7=21-3=36-4=18-2=63

34、-7=9X6=9X 9=46+10=65+40=81-9=55-20=9+46=9-3=9-9=58+32=80-28=40-8=61-13=15-5=9X 3=42-15=18-9=180-60=72-40=47+8=14+85=61 + 27= 170+20=5X9=7X7=73+16=60+300=10-5=83-29=5X6=43-17=21 + 27=32-8=49+7=36 + 4=64+8=5+ 1 =15+3=16+8=42+6=400+50=38+26=93-8=49+7=6X9=56-30=35 5=27+25=37-9=18-6=45+4=45+8=38-30=56+8=

35、42+6=35+7=49-9=6+6=48+6=41-8=72+8=40+8=82+9=5X7=6X3=6X7=7 7=72+8=72-20=34-8=6X8=9X6=5X9=36+9=55-8=23-10=30-21 =29+4=9X4=72-9=63-7=3X 8=7X6=8+27=63-9=45-9=46 8 28-7=24+40=42-7=9+ 1 =64-8=6X5=28-4=6X4=4X 2=5X6=72-8=9X 3=54-6=9+ 1 =42-6=8X6=37+9=18+6=45-8=38+30=35-5=25-20=30-6=21-7=6+56=18-6=16-8=27-9=

36、8-8=5X7=9X 3=8-8=32-8=42-6=5X9=18+9=7X7=9X4=27+9=3X7=8X6=14+7=54+9=28+7=29+40=7+1 =24+8=24 + 4=8X4=5X3=72+8=30-11 =9X9=8+8=6X8=9+36=18+63=36+23=36+23=8X4=7X 8=28-17=41-35=32-28=73+18=36-6=12-4=23+21=32+14=46-24=90-45=45-9=9-3=53+36=73+23=14-7=45-5=1 + 1 =54-9=67-7=25+36=19+20=42+20=68- 54=84-48=44-1

37、9=35-5=49-7=81-9=6-3=4-2=42+7=70-26=9-9=34-18=43+18=12-6=56-8=71+17=52-14=3-1 =63-40=21-3=48-6=52+25=52+42=49-7=4+4=75-46=65+20=28+16=45-28=16-4=35-28=57-38=26+34=86-34=64-8=40-5=42+39=84-56=19+21 =34+18=50-14=39+25=24+38=75-9=34+18=20-5=15+30=18-9=27-3=72-9=36-4=72-58=25+37=30-6=25-5=54-6=49-7=44-1

38、5=15-3=85-37=23+69=24-#=12+6=24 + 4=15+3=4X 9=30+6=12 4=33-25=36 4=68-54=27+9=6X7=28 + 4=32+8=7X3=47-29=24 3=14+7=54+28=12+6=63 7=64 8=30 5=5X4=36-7=17-9=25+5=71-50=56-8=45-9=7X7=48-8=57+36=44-19=82-48=74-16=63-7=18+9=5X8=48-6=45-5=56-8=49-30=63-9=35-7=6X7=32-4=18+9=27-3=54-9=72-8=37-9=7+44=54-9=64-

39、8=3X7=23+8=30-6=5X9=24-4=7+63=9X4=36-6=9X7=56-8=28+6=7X5=36+4=30-5=63-9=4X2=38+ 16=45-5=7-1 =25+23=12+35=27+71 =46+33=40-8=21+15=36+22=59+ 18=72+24=41-29=44-9=72+ 16=43+32=35-8=56-7=8X2=7+56=56-7=21-7=7X3=8-8=32-4=80-9=()X6=3042-7=35-6=28-7=()X8=4821-3=36-4=18-2=63-7=9X6=9X 9=46+10=65+40=81-9=55-20=

40、9+46=9-3=5X6=58+32=80-28=33+60=54+6=40+8=()X4=20 61-13=15+5=9X3=42-15=18+9= 180-60=72-40=47+8=14+85=61 + 27= 170+20=5X9=7X7=73 16=10+5=43-17=21 + 27=32-8=30-6=36-4=64-8=5-1 =15-3=16-8=42-6=400+50=38+26=93-8=49-7=6X9=56-30=35-5=27+25=27-9=53+8=4X9=8-2=32-8=8-1 =9X9=84+7=8044=89-8=64 8=34+9=14-7=5+58=

41、64-8=6X 3=9X9=72-8=78+15=83-20=43-30=9-1 =7-7=8X 9+21 =58-36=5X7=13-9=36-6= 81-9=42+13=24-3=24+8=27-3=42+13=42-6=7+44=42-7=64-8=21-3=4X8=54-9=49-7=42-7=35-7=19+41=24-6X 3=4X 8-5=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 3=9+9X6=42+7X

42、6=96-80+7=64-40- 8=40-4+20=7X5 8= 14+7+25=15+5+8=8X9 8=1 X 2+20=54+6+33=510+200=15-45-9=11 40+8=7+1X8=130+80=46 8=8X 5-7=9x3 8=30-6=36-4=4X 5+44=48-8+7=1800+200=93-80=6X 5+37=108+1 =7X8=73-4=3X 8+4=7X6+10=72-8=64 8=24 X 0=71-7+30= 70-5X 9= 8X 9+21 = 27-9= 53+8= 4X9= 8-2= 32-8= 8-1 =9X 9= 84+7= 80-44

43、= 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 =7-7=8X 9+21 =5X7=72-9=36-6=81-9=42+13=24-3=24+8=27-3=42+13=42-6=7+44=42-7=64-8= 21-3=4X 8=54-9=49+7二42+7二35-7=19+41=24-6X 3=4X 8 5=27-3+6=56-7-3=49+9+7二4X 3 + 2=6-3X7=8+4X3二6X 5+37=12 + 4+18=16-4X8=8+4+48=25-5+36=6X 842=2X 8+4=8X 9 + 9=36-6-3=510+200=42+7X 6=96-80+7=64-40- 8=40 4+20=7X5 8= 14+7+25=15+5+8=8X9 8=6X5+37=10-8- 1 =7X8=73-4=3X8+4=7X6+10=72+8=64-8=24X0= 71-7+30=48+8+7=705X 9=8X9+2