小学数学一年级下册数学口算训练

1、4535=20+75 =50-24 =41 + 39=23+ 8 =44- 28 =16+ 71 =57+31 =33+47=14+74=77- 1 =66+29=63+25=4+38=48+27=9929 =6826 =79+ 8 =26+ 9 =8+ 10=94- 81 =7965 =79-3=6+ 25=19+75=63+24=17+18=65+5=1 + 35=19+56 =42+49 =91-11 =61 + 9 =50- 19 =51 11 =8438 =2+57=22-1 =66+12=64+7=23+33=62-8=9425=33+55 =67-56 =42+20=73+ 7

2、=18+56 =76- 14 =8731 =35-5=8+57=55+14=52-9=2+51 =59+17=43+1 =35+46 =86+ 12 =65-59=9+25=79-32 =90- 38 =60+22 =80+5=79-6=3+62=1 +77=7+66=72+8=977 =34+13 =10010=32+64=16+ 9 =20+ 26 =43+ 23 =50+9 =26+14=55+36=39+8=10+67=16+12=5+92=25+58=5913 =4816 =96- 38=48+8 =34- 13 =62+3 =566 =52+31 =6+ 18=29+ 34=68+

3、15=53+38=24+27=476 =9922 =64- 42 =181 =39+ 8 =27+ 34 =63-24 =6857 =26+69=13-9=35+26=48+17=20+23=20+33=61 55=9863 =39+ 28 =43+ 33=32+8 =89-67 =56+ 14 =9690 =61 + 32=19+3=8+41 =31 + 65=7+6=23- 1 =60+6 =49+31 =14+ 13 =10064=16+ 9 =5+48=81+1 =15+83 =3+79=7+ 77=23+ 34=29+56=33+25=70+30=29+71 =91 + 2 =17+

4、 59 =3+ 49=39+ 2 =96- 43 =19+ 10 =81+14 =35+1 =25+42=16+60=67+14=43+ 54=92-9=51 33=9240 =28+34 =8832=10+ 40 =9263 =96- 41 =47+34 =22+30=20+9=9+9=5+6=18+33=16+28=9439=8626 =21 + 37 =38+35=23+ 70 =4847 =25+ 10 =9965 =43+48=17+64=68+13=33+58=29+8=39- 7=41 11 =5446 =66+ 30 =54+ 31 =26+ 8 =53+ 22 =100 89

5、=32+65 =6+82=65+11 =22+77=80-8=19+53=74+11 =9738=693 =9896 =12+54=83+ 8 =16+ 70 =61 + 9 =19+12 =88-1 =12+19=77+7=18+67=31 + 69=40+19=11 + 66=7470 =38+38 =36+ 17=984 =46- 29 =9+ 16=48+18 =54+1 =26+13=20+14=59+35=68+3=7+56=9+57=7968 =33+ 41 =9+ 35=10+ 8 =12+58 =4+35=4535 =17-2=32+32=38+12=60+33=43+26=

6、2+ 19=9762=45+21 =84- 53 =27+ 55=30-3 =99-45 =12+2 =74+24 =24+13=92+6=56+22=24+23=67+33=35+20=4437=11 6 =8250 =4+ 16=25+ 4 =7+5=16+ 68 =8716 =5+25=14+56=37+40=6+84=22+32=39+25=69+31 =23+36 =2+45=47+ 35=95-40 =2+75=46 4 =9313 =8+79=38+32=13+24=11 + 68=26+52=40+20=5554=23+28 =16+ 21 =35+ 20=70+ 30 =95

7、- 75 =5833 =4641 =60+7=50-7=63+16=21 + 67=1 + 96=1 + 66=7337=90+9 =34- 18 =83+ 13=689 =17+ 3 =50-42 =5847 =1 + 7=53+40=23-3=21 + 24=64+11 =47+13=8450=25+75 =5+ 31 =46 9 =389 =72+10 =73+ 15 =3820 =19+73=16+18=4+65=25+45=20+42=19+13=13+84=10+34 =25+ 73 =56+ 16=889 =70+ 26 =49+ 30 =9514 =43-6=1 +11 =35

8、+51 =65+20=8+53=72+21 =134 =84+3 =75-29 =33- 17=5810 =39+ 45 =43-27 =57+5 =5+59=49+2=56+14=30+35=20+69=14+65=16+71 =57+31 =32+49 =11 + 9 =20+ 5 =45-35 =20+ 75 =61 + 27 =36+13=33+15=53+17=53+46=45+28=6+61 =9481 =7965 =14+ 3 =25+ 7 =888 =48+27 =99-29 =2822 =1 + 74=17+6=28+16=47+35=24+48=39+42=51 11 =8

9、438 =76- 57 =56+ 20=86- 77 =1 + 35=19+ 56 =922 =78+21 =12+78=88+12=19+37=89+7=36+4=7614=8731 =27+ 69 =32+6 =51 + 27 =94- 25 =33+ 55 =47+22 =64+24=20+49=40+39=17+60=31 + 5=38+12=9038=60+22 =65- 17 =43+ 5 =13+ 74 =43+ 1 =35+ 46 =2+73=69+30=30+63=40+33=68+18=10+73=40+49=43+23=50+9 =521 =81 2 =80+ 18 =9

10、7- 7 =34+ 13 =58+28 =80+8=30+16=61 + 16=30+2=34+ 53=76+13=62+3 =566 =1 + 81 =489 =93-33 =25+ 58 =59- 13 =88+4 =47+8=7+3=15+68=18+76=17+21 =44+ 35=6324=6857 =90+ 6 =40-2 =34+ 53 =47-6 =99-22 =905 =11-2=43+25=4+ 19=83+16=11-7=18-7=56+14=9690 =51 27 =50-8 =72+23 =61 55 =9863 =21 + 37 =91 + 1 =17+62=8+4

11、3=55-9=48+37=44+22=81 + 1 =15+83 =12+52 =75-9 =40-33 =60+ 6 =49+ 31 =100 58=70+8=71 + 26=1 + 69=9+62=43-2=35+7=19+10=81 + 14 =54+ 1 =47-8 =76+ 14 =29+ 71 =91 + 2 =28+48 =40+57=17+29=83+6=90+6=9+ 74=89+6=9641 =47+34 =43+ 32 =80-2 =83-62 =51 33 =9240 =4227 =69+26=41 + 17=21 + 14=64+9=2+29=50+39=25+10=

12、9965 =22+62 =722 =69-8 =94- 39 =86-26 =100 7 =27+25=50+50=3+21 =18+77=28+13=77+7=100 89=32+65 =90-87 =40-2 =9844 =41 11 =54- 46 =37+45 =44+12=38+28=6+11 =5+41 =25+50=22+71 =61 + 9 =19+12 =8+6=35+ 5 =65+ 9 =97-38 =69- 3 =6663 =80+20=44+32=25+43=65-5=43+47=30+43=9+ 16=48+18 =14+ 38 =64+ 6 =29+ 67 =11

13、+ 66 =74- 70 =7955 =7+47=8+76=23+21 =18+44=39+40=24- 7=4+35=4535 =9+ 82=60 4 =39-23 =9+57=79-68 =51 25 =28+42=17+19=6+32=52-1 =28-8=16+58=12+2 =74+24 =19+ 72 =25+ 4 =82+13 =97-62 =45+ 21 =467 =39+58=70+24=33+60=81-8=59+5=34+ 55=16+68=8716 =53+ 33 =884 =93-38 =44- 37 =11 6 =8227 =20+35=21 + 68=15+25=

14、16+50=64+12=69+14=464 =9313 =32+18 =56+ 20=73+ 23 =69+ 31 =23+ 36 =82+15 =69-4=36+6=40+45=69+11 =27+48=49+30=5833=4641 =83-82 =12+6 =95-26 =55-54 =23+ 28 =4+20=6+22=5+89=80-3=1 +73=2+77=44+17=5042=5847 =99-41 =23+ 5 =57+ 19 =73-37 =90+ 9 =8474 =24+1 =20-3=17+33=34+ 35=30+26=26+68=73+15=3820 =78+2 =1

15、82 =39+ 9 =84- 50 =25+ 75 =437 =39+53=10+59=76- 2=37-2=51 + 4=37+46=49+30=9514 =20-8 =23+ 7 =90-29 =13+ 84 =10+ 34 =6911 =17-9=14+26=33+23=17+81 =52+29=64+ 26=4327=57+5 =65+ 25 =26+ 8 =89-42 =13-4 =84+ 3 =52+43 =39+7=15+40=12+60=11 + 72=34+29=90- 1 =72+17=26+34=10+61 =71-5=29+24 =79-56 =32+14 =8988

16、=89+6 =29+30 =74- 33 =45+ 45 =2+39=27-2=12+8=7+31 =42-3=52+35=60-29 =36+64 =12+76 =36+22 =25+6 =8331 =94- 47 =34+ 65 =8+91 =46+ 4=10+82=15+35=43+47=52+31 =31 20 =7+35=69- 30 =5812 =85+4 =7468 =64- 11 =724 =32+39=46+ 52=58+30=1 + 94=38+9=26+42=23+41 =34+8 =20+59 =9236 =37+4 =27+70 =65-50 =41 21 =25+

17、72=17+ 40=19-8=71 + 23=35-4=1 + 61 =68+6 =59-36 =55- 15 =33+58 =35+6 =24+49 =8810 =35+ 53 =71-4=23+ 59=28+63=67+1 =22+65=65+32=50+23 =59-27 =19+ 49 =48+13 =5+ 18=4543 =65+ 12 =60+ 16 =13+ 47=22+ 76=40+40=34+50=34+ 52=50+16=49+25 =67+19 =9811 =57+13 =35+8 =6523 =43+ 41 =15- 11 =11 + 39=33+ 55=59+19=1

18、1 + 19=11 + 6=44+22=5+91 =20+16 =31 3 =24+53 =26+7 =10028=20+ 33 =90-5 =5+82=53+ 26=99-8=9+ 10=7+64=84- 2=15+77 =64+17 =9+2=100 71 =25+5 =37+47 =9249 =81 + 2 =35+ 15=17+ 16=43+52=30+36=77+22=38+39=2+61 =37+55 =58+29 =3330 =34+6 =42+2 =19+ 76 =18+3 =13+ 28=59+ 33=60-3=11 + 6=34+27=21 + 30=12+17 =78+1

19、1 =54+ 25 =141 =27+4 =487 =9886 =71 69 =67+ 17=24+ 48=68+22=44+3=12+52=77+12=68+20 =17+43 =35+ 35 =25+29 =6+ 10=17+1 =65+ 2 =50+ 36 =57- 7=4+22=21 + 27=57+7=36+ 33=24+23=47-29 =9892 =60+ 6 =57+41 =47+4 =50+18 =80+ 1 =27+ 71 =19-6=22+9=72+12=93-2=69+15=60+18=86- 73 =81 9 =29- 14 =604 =19+60 =63+10 =8

20、4- 10 =82+6 =54+ 28=43+ 51 =12+64=38+10=19+69=35+33=97-34 =16+43 =48+7 =85+6 =19+6 =5938 =57- 19 =55-21 =17+ 82=19+ 53=43+12=12-8=21 + 24=79- 7=73+26 =58+13 =80- 33 =83=635 =236 =75+ 13 =9825 =31 + 56=43+ 21 =52+45=16+35=29+56=34+ 38=94- 54 =92+3 =75-63 =59+17 =999 =806 =66- 45 =7+ 46=29+ 48=61 + 4=

21、37+25=31 + 16=82+12=15+9=2+81 =63-39 =84- 31 =9871 =249 =686 =21 + 25 =25+ 6 =1 + 37=55 5=54+21 =4+ 45=76+6=5+59=43+53 =65-39 =93-21 =63 5 =388 =595 =27+ 34 =65 4 =3+34=19+ 28=7+88=31 + 26=25+46=54+2=8+6=62+12 =23+ 64 =938 =825 =81 + 18 =83-35 =7+ 61 =85+ 5=12+7=17+38=2+59=7+ 1 =59+27=87-34 =83-35 =

22、5846 =6+7=842 =243 =71 58 =53+ 3 =47+ 9=53+ 29=74+25=30+42=39+27=30+63=623 =27- 12 =59+ 5 =24+42 =607 =78+4 =90+ 3 =31 + 4 =44+ 43=53+ 36=12+1 =45+12=57-2=47+2=79-68 =35+27 =11 + 46 =6730 =71 + 9 =5516 =6852 =76- 65 =32+64=16+ 54=60+11 =67+29=60+19=26-8=17+46 =65- 17 =57+ 35 =74+15 =705 =26+50 =43-3

23、0 =6855 =62+23=42+31 =99+1 =61 + 11 =6+84=12+53=39+55 =57-46 =6825 =71 58 =303 =8061 =80-54 =15+ 42 =91 + 9=15+ 57=24+16=1 + 72=41 + 20=39+17=74- 33 =45+45 =59- 35 =803 =6432 =29+24 =79-56 =14+ 42 =23+ 37=25+ 63=9+27=35+39=57+21 =2+85=94- 47 =34+65 =2+3=622 =4829 =6029 =36+ 64 =77+ 9 =22+17=74+ 12=1

24、8+31 =40+23=3+22=55+38=64- 11 =724 =28+28 =64+ 6 =3936 =31 20 =7+ 35=55+ 21 =23+ 9=13+ 66=40+48=44+18=59+19=37+14=65-50 =41 21 =48+16 =297 =8+91 =23+41 =34+ 8 =28+53 =22+29=30+ 52=30+52=14+74=17+62=37+21 =8810 =35+53 =70-47 =87+10 =8953 =68+6 =59-36 =83- 76 =81 + 3=39+ 44=8+27=23+ 76=51 + 21 =68+31

25、=65+12 =60+16 =27+ 39 =60+8 =6+67=50+23 =59-27 =19- 15 =62+19=48+45=7+90=10+7=28+57=9+29=43+41 =15- 11 =76- 58 =478 =55+5 =49+25 =67+ 19 =83-40 =2+79=79+ 9=53-1 =99-2=45+17=80+11 =20+33 =90-5 =61 3 =279 =2317 =5+ 91 =20+ 16 =50- 19 =12+69=54+ 19=22+53=30+12=17+18=47+7=9249 =81 + 2 =89- 56 =639 =43+4

26、2 =15+77 =64+ 17 =89- 10 =7+92=57+ 6=3+68=19-1 =4+ 13=20+78=19+76 =18+3 =87+ 3 =923 =68+15 =2+61 =37+ 55 =56+ 9 =7+4=3+84=42+38=17+77=41 + 14=49+8=9886 =71 69 =87+ 5 =267 =644 =12+17 =78+11 =89- 70 =70+ 24=5+95=30+66=10+41 =54+12=50+33=65+2 =50+36 =2+48=369 =6811 =68+20 =17+ 43 =2210 =54+ 46=76+ 14=

27、32+32=68+18=1 + 89=28+56=80+1 =27+71 =91 57 =459 =10+15 =4729 =9892 =44- 32 =73+ 12=9+24=42+41 =3+74=36+ 55=8+25=84- 10 =82+6 =87+ 11 =46 9 =2+94=8673 =81 9 =64- 42 =9+25=10+44=24+40=58-9=31 + 64=10+51 =57- 19 =55-21 =83-23 =85+2 =21 + 5 =9734 =16+ 43 =83=13+ 40=64+ 30=7+53=49+29=20+7=52+46=75+13 =9

28、825 =25+ 72 =32+7 =3416 =73+26 =58+13 =7816 =40-6=5+24=14+32=10+51 =31-9=47-2=66- 45 =7+46=61 + 29 =11 + 20 =9583 =9454 =92+3 =8235 =8+ 13=37+4=28+64=36+64=62-5=16+16=21 + 25 =25+6 =17+ 28 =36 5 =17+43 =2+81 =63-39 =8+31 =8+59=2+47=62+38=63+14=16+83=73+10=27+34 =65 4 =64- 61 =76+0 =91 37 =43+53 =65-

29、39 =71 68 =72+9=58+12=13-4=22+58=7+28=61 + 7=83-35 =7+61 =86- 30 =64+ 6 =7857 =8+6=62+12 =8+91 =60+ 8=8+80=11 + 89=86-5=78+9=80+10=71 58 =53+3 =34+ 50 =297 =6844 =8734 =83-35 =24+ 18 =69+ 9=59+38=39+47=6+91 =31-6=23+7=90+3 =31 + 4 =77+ 9 =37+1 =71 17 =623 =27- 12 =76- 12 =45+ 28=29+7=30+56=52+22=10+

30、41 =36+11 =6852 =76- 65 =96- 31 =30+8 =9+5=7968 =35+ 27 =25+ 8 =29+ 13=62+21 =61-5=58+21 =92-2=22+64=43-30 =6855 =65+ 21 =47+4 =22+38 =17+46 =65- 17 =17+ 40 =75+ 5=48+18=49+39=74+14=9+49=29+33=80-54 =15+42 =9 5=19+6 =2714 =39+55 =57-46 =37-32 =31 + 51 =19-9=20+80=48+7=43-3=20+36=60+10=7+23=80+8=44+1

31、3=72+7 =79+8 =61 + 27 =74- 33 =75+ 5 =588 =39+58=20+ 76=11 + 84=71 + 7=27+63=85+6=39+19=2+4=21 + 55 =59+37 =2822 =9266 =50+ 37 =12+7 =4+32=33+33=11 + 85=8+89=15+5=3+8=40+49=17+24=71 + 25 =4+54=922 =61 + 25 =91 + 8 =58+16 =95+4=19+65=42+52=99-4=8+81 =50+39=48+3=14+55=20+55 =689 =47+ 22 =80-2 =78+3 =5

32、3-4 =9+46=69+31 =6+ 1 =17+51 =35+10=44+ 38=72+15=17+81 =5744 =57+15 =2+73=10044=2+40=23- 10 =36+30=32+24=15+2=15+77=16+60=19+71 =77- 9=77+9=8322 =9434 =58+28 =39-4 =17+ 3 =21 + 35 =62+4=16+44=28+47=39+35=56- 3=5+71 =78-5=79-1 =4628 =9033 =88+4 =89-54 =4+ 19=48+7 =19+64=13+79=60+14=30+57=64+20=20-2=1

33、9- 5=15+63=66+34 =27+45 =90-5 =91 + 1 =7+38=2+55=40+20=3+27=73+14=47+11 =74- 6=36+47=21 + 3=51 + 26=29+68 =50+ 11 =21 + 37 =79-35 =13+ 7 =44- 31 =19-1 =34+49=5+26=39- 7=4+ 77=23+15=3+22=1 + 14=50+20 =9420 =10058=65+ 34 =5+37=59+ 3 =61-4=61 + 37=98-4=15- 7=78+11 =33-8=10+24=5+43=8638 =34+24 =28+48 =7

34、6+ 22 =50+ 5 =16- 14 =18+53=9+ 14=26+ 74=59+1 =64+25=54+ 37=18+39=67-2=9258 =9575 =4227 =96- 27 =18+50 =30+ 41 =51 + 27=34+40=70+24=21 + 78=2+68=11-3=10+28=70+7=11 + 87 =3915 =1007 =75- 15 =88+3 =67+ 12 =48+26=52+42=42+24=54+25=45+28=34+61 =57+31 =33+ 56=91 73 =30+12 =37+ 45 =95-52 =48+50 =65-21 =73

35、+11 =72+2=56+ 39=27+32=20+30=20+20=16+50=41 + 32=44+5 =545 =66- 63 =8847 =75+ 5 =23+ 24 =4+ 41 =26+20=90-9=56+13=3+57=55+31 =17-6=69+5=41 + 34 =45+36 =79-55 =41 8 =15+ 4 =8+72=27+67=40+28=48+7=35+42=42+33=23+36=17- 8=62-6=20+20 =16+7 =51 25 =35- 15 =15-4 =9+54=5+11 =89+4=41 + 18=28+1 =9+87=88+12=12+

36、23=23+65=65+24 =31 + 28 =46- 7 =84- 76 =70+ 3 =51 49 =16+17=11-3=65+25=6+ 16=72+16=61 + 15=46+ 45=18+6=4+20=48+51 =8227 =8810 =39+ 8 =321 =89+11 =1 +12=18+68=29-8=76+21 =60+21 =15+54=78-1 =45+40 =51 + 25 =82+15 =56- 1 =78+5 =9283 =78+16=3+32=41 + 20=84+2=28+55=26+59=3+36=99-8=49+49 =8+81 =4+ 20=41 +

37、 2 =68+7 =39- 13 =55+26=63-1 =23-3=48+6=32+41 =17+21 =38+61 =73-4=25+45 =79+6 =84- 74 =19- 17 =87+ 9 =81 2 =60+31 =53+46=40+ 54=44+19=10+23=12+52=53+19=39+29=8471 =41 + 39 =43- 7 =20+ 1 =39+ 10 =74- 49 =2+46=39+35=43+50=15+4=47+50=8+71 =8+40=1 + 72=8066 =91 20 =69- 11 =4825 =39+ 8 =69-29 =25+19=34+1

38、2=30-2=90+5=1 + 66=66+13=38+57=61 + 31 =8070 =14+12 =52+43 =14+ 14 =48+7 =83+ 7 =27+40=46+42=52-5=94+4=8+25=67-6=85+14=72+1 =33+25 =9279 =14+ 42 =95-4 =87- 72 =72+7 =17+15=41 + 49=63- 1 =8+85=63+16=56+19=14+11 =30-6=9368 =8020 =77+ 9 =83+ 5 =62+26 =21 + 55 =22+23=50+13=15+51 =11 + 16=49+51 =35+27=37

39、+ 30=38-2=31 + 27 =3815 =55+ 21 =65+ 3 =75+ 24 =71 + 25 =4+84=40+41 =25+14=23+12=7+ 75=13+43=29+9=7+93=9971 =5539 =28+53 =35+ 2 =24+ 43 =20+ 55 =41 + 15=32+25=7+90=21 + 28=74+22=20+47=85- 1 =58+16=51 3 =20+22 =83- 76 =39-3 =74- 55 =57-44 =42+50=21-4=36+19=21-1 =34+ 55=25+64=17+36=51-2=9914 =333 =19-

40、 15 =39+ 10 =1+18=83-22 =56+11 =5+94=50+28=84+4=5+ 70=55+37=4+53=25+46=4+76=4722 =83-40 =524 =10057=46- 28 =14+4=30-7=45+40=76+2=75+24=85+14=72+21 =12+48=20+53 =6936 =50- 19 =324 =76- 65 =66+ 34 =20+33=73+2=2+59=44+ 36=80+15=23+ 54=22-9=82-6=756 =10+3 =89- 10 =37-8 =75- 14 =29+ 68 =37+29=13+38=5+ 78

41、=88+5=50+47=30+61 =11 + 51 =83-8=9+23=7230 =56+ 9 =427 =10+ 32 =50+ 20 =66+1 =96-1 =15+21 =92-1 =1 +12=1 + 75=16+42=17+78=52+28 =33+30 =89- 70 =523 =62+32 =86-38 =22+18=33+25=83+7=21 + 43=65+5=32+13=12-6=12+69=37+47 =726 =2210 =784 =7815 =9258 =56+30=69-4=48-8=34+23=29+28=85+9=58+29=33+ 64=61 48 =8+

42、23=44- 32 =86-8 =50+ 16 =11 + 87 =554=66+2=35+22=90+9=44+7=28+34=23+46=10+12=7+36=8951 =64- 42 =43-4 =76+ 4 =91 73 =63+36=47+15=16-5=31 + 13=15+80=37-6=53+17=18-5=3315 =206 =83=59-4 =10056=44+ 5 =13+36=28+7=30+ 54=9+11 =66+19=19+14=4+3=92-7=61 25 =8+57=7816 =49-5 =36+ 49 =41 + 34 =82-3=23+40=34+ 39=

43、47+47=25+7=21 + 29=57- 8=65-5=525 =71 20 =8235 =45-3 =45+ 13 =20+ 20 =48+6=25+69=93-4=94- 8=60+17=58+28=32+18=49+10=27+68 =13+41 =8+31 =84+ 4 =13+ 55 =65+ 24 =26+59=24-9=8+31 =37+25=82+16=18+1 =38+21 =83+2=6261 =5+ 15=71 68 =93-3 =59-54 =4+20=42+19=91 + 1 =27-2=37+15=46+44=21 + 74=6+33=34-6=9089 =18

44、+28 =8+91 =65+ 3 =4- 1 =45+ 40 =68+3=88+9=33+40=5+88=19+49=66- 7=84+8=13+62=16+84 =90+5 =24+ 18 =33+ 2 =84+ 1 =49+ 49 =48+13=16+73=34+7=60+5=78-2=45+53=50-6=52+ 37=45+55 =29+54 =76- 12 =29-3 =3+67=25+ 45 =66+8=89+8=54- 9=91 + 8=22+75=17+38=14+34=23+7=68+15 =6764 =25+ 8 =43+ 1 =54+ 46 =84- 71 =41 + 13=81 + 1 =13-5=33-5=42+51 =32+68=61 + 36=6+26=45+17 =81 25 =17+ 40 =88+3 =5211 =80-66 =13-9=51 + 35=47+43=5+6=57+19=24+ 72=12+13=16+80=91 25 =239 =37-32 =28+5 =33-9 =80- 70 =33+25=9279 =19+ 32=82+16=25+26=26-4=2