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1、44 + 8 37 =25 16+ 64=52+ 28 43=68 39+ 39=83 76+ 53=16+ 77 67=54 41 + 78 =28+ 14 32=5+ 95 39=71 + 14 29=19+ 53 66=8+ 61 17=29+ 48 48 =100 23+ 8=90 58+ 22=63+ 4 54=52 44+ 52=69+ 29 78=62 56+ 50 =69 22+ 24=88 56+ 29=69 49+ 65=73 52+ 44=14 10+ 55=25+ 61 61 =87 79+ 81=66 32+ 37=66+ 26 7=14+ 80 72=48+ 27
2、2=12+ 4 15 =32+ 10 4=54+ 17 39=1+157=17+ 88 26=24+ 63 21 =32 + 66 62 =39 26+ 63=92 68+ 26=34 10+ 53=90 71+ 71=59 52+ 81 =4+391=41+815=35 25+ 57=43+ 57 52=4+ 59 20=19+ 62 38=10+ 62 50=21+ 63 24=65 20+ 33=13+ 69 17=72+ 24 61=100 42+ 6=56 - 47+ 41 =43+ 53-31 =14+ 4- 2=14+ 21 - 23=67- 16+ 33=92- 58+ 26=
3、36- 3+ 44=90 - 84+ 53 =37+ 20- 31=50+ 35- 19=10+ 82- 67=62- 5+ 30=37- 34+ 76=95 - 19+ 8 =60+ 22- 65=72- 43+ 64=53+ 31 - 81 =49+ 38- 18=31 + 64- 57=44+ 28- 16 =49- 42+ 88=26+ 68- 76=19+ 36- 3=57- 22+ 21=23+ 59- 63=97- 87+ 86=72+ 14- 10=19+ 41 - 1 =54+ 5- 42=70+ 25- 90=92- 55+ 32=34+ 56- 21 =86- 13+ 2
4、0=34+ 65- 20=24+ 36- 46=99- 52+ 31=37- 6+ 24=77- 27+ 19=49+ 42- 16=76- 31 + 48=14+ 55- 15=85- 56+ 39=36+ 63- 86=97- 90+ 84=79- 74+ 83=56+ 27- 8=93- 63+ 30=72- 11+ 6=92- 87+ 95=93- 93+ 85=63-11+16=17+ 54- 54=95- 45+ 19=30+ 14- 25=10+ 35- 26=77 42+ 23 =7+ 73 78=97 44+ 18=6511+7=62 10+ 6=90 77+ 39=49+
5、22 54 =40 7+ 23=6114+8=79 62+ 52=36 22+ 74=50+ 29 69=52+ 41 93 =62+ 30 68=57 24+ 42=71 71 + 94=52+ 47 14=12+ 48 47=51 + 46 48 =59 16+ 33=87 62+ 66=4+ 66 56=2+ 80 13=74 17+ 7=97 54+ 43 =1+7350=44+ 55 77=8+ 68 61=33+ 62 73=4+ 68 4=72 64+ 50 =45+ 13 53=60 52+ 83=43+ 35 24=48 16+ 33=73+ 20 54=90 44+ 10
6、=37+ 48 55=49 42+ 80=36+ 5 30=50 50+ 69=97 46+ 32=90 76+ 37 =65 13+ 10=39+ 40 38=73 52+ 33=54+ 21 20=51 39+ 43=77 17+ 4 =15+ 83 21=87 78+ 47=83 57+ 37=28+ 68 92=60 17+ 31 =31 + 62 - 65 =69- 29+ 23=76- 27+ 30=42+ 22- 41 =28+ 32- 37=1+46-14=41 - 2 + 50 =87+ 10- 23=78+ 8- 40=70- 19+ 49=49+ 33- 12=3+ 70
7、- 34=8 + 66 - 51 =8+ 82- 13=45+ 49- 42=10+ 6- 16=30+ 34- 25=51 + 29- 63=35+ 58- 36=91-42+12=1+58-32=37+ 42- 61 =38+ 40- 70=30+ 67- 74=85+ 1 - 52=53+ 20- 2=30+ 33- 25=57- 18+ 51 =35+ 24- 40=79+ 18- 33=98-41+38=55- 17+ 37=3+ 68- 22=65+ 34- 18=13+ 19- 13=7+ 70- 54=41+31-49=10+ 89- 42=89-1+12=71 + 18- 8
8、8=61+ 36- 94=53- 43+ 61 =50+ 24- 53=100- 61 + 33=86- 26+ 24=45+ 16- 46=81- 77+ 75=82- 29+ 19=74+ 26- 94=74+ 9- 46=48- 25+ 77=32+1-9=64+ 7- 55=18+ 6- 22=81 - 72+ 75 =61-9+10=48- 30+ 41 =84- 30+ 5=9+ 49- 17=23+ 67- 38=19+ 13- 13 =90- 69+ 47=48+ 18- 40=58+ 17- 18=63+ 17- 39=78+ 12- 38=17- 11 + 71 =42+
9、44- 38=80- 39+ 57=80+ 16- 81 =12+ 38- 23=100- 31+ 20=6 + 6-6=56- 26+ 55=25- 16+ 82=69- 8+ 39=25- 12+ 42=63- 19+ 24=67- 46+ 33=13+ 53- 26=93- 22+ 4=19+ 71 - 24=81- 59+ 63=72- 49+ 29=88- 56+ 35=11+29-5=34+ 5- 22=80+ 14- 83=57- 53+ 86=80- 56+ 52=11+85-58=34+ 65- 37=62+ 3- 62=64- 34+ 62=29- 17+ 52=58- 3
10、6+ 72=50+ 33- 28=10- 2+ 51=30- 28+ 57=78+ 21 - 50=72- 50+ 78=68+ 7- 7=18- 7+ 68=83- 24+ 2=61-29+25=12- 5+ 55=5+ 91 - 22=85- 70+ 43=66 - 7+ 11 =2+ 96- 88=81+ 1-50=19+ 22- 32=37+ 27- 15=59+ 34- 79=16+ 73-31 =84- 64+ 67=85- 21 + 21 =76+ 5- 18=46- 13+ 65=77+ 14- 16=56+ 16- 68=3+ 46- 36=45+ 33- 73=74- 70
11、+ 73=39- 30+ 81=97- 56+ 48=87- 2+ 5=43+ 34- 55=75- 43+ 27=12+ 76- 52=88+ 1 - 77=64+ 35- 39=90+ 10- 92=54+ 37- 90=12+ 67- 51 =53- 12+ 57=16+ 65- 14=3+ 54- 43=90- 45+ 48=4+ 67- 16=85- 68+ 73=3+ 69- 32=11+ 44- 25=21 - 4+ 82=69+ 6- 57=78- 78+ 79=86+ 14- 94=40+ 14- 53=64+ 4- 68=57- 53+ 53=3+ 71 - 3=94- 8
12、1+ 39=42- 41 + 77=80- 29+ 17=85- 23+ 16=26+ 48- 39=88+ 10- 94=6+ 42- 42=14+ 42- 10=52+ 13- 56=78+ 22- 9=38+ 62- 45=69 - 19+ 19 =49- 25+ 60=21+63-65=62- 46+ 69=50- 36+ 85=80- 54+ 74=17+ 73-88 =54+ 24- 53=28- 14+ 80=98- 82+ 81 =47+ 40- 80=52- 3+ 45=73 - 68+ 54 =23+ 27- 14=44- 30+ 37=91 - 57+ 25=45- 9+
13、 47=84- 82+ 60=28-27+ 85 =43+ 6- 47=67- 11+ 29=33+ 50- 18=55+ 2- 49=67- 34+ 28=9 + 69 - 61 =93+ 3- 13=10- 4+ 71 =93- 75+ 57=7+ 75- 74=17+ 43- 1 =16+ 37- 14 =88+ 7- 9=72+1-56=82- 19+ 24=30+ 25- 17=22-11+75=24- 8+ 41 =31+ 32- 57=38+ 54- 25=24+ 71 - 84=11+44-46=42+ 57- 36=77- 75+ 77=67+ 11- 32=37+ 60-
14、85=22- 10+ 63=36+ 20- 28=41 - 11 + 28=36- 32+ 52=61- 25+ 57=25+ 21 - 9=84- 43+ 50=71- 60+ 65=93+1-91=54+ 41-44 =16+ 30- 30=32+ 43- 38=60- 14+ 34=69+ 17- 38=3+ 4- 4=92+ 1-71 =19+ 40- 40=25+ 31 - 52=37- 35+ 66=70- 8+ 33=20+ 61 - 30=69 - 16+ 3 =69+ 26- 36=69- 50+ 58=4+ 60- 6=80- 73+ 55=75- 30+ 46=61 +
15、28- 33=67+ 13- 62=89- 52+ 24=23- 4+ 40=4+ 73- 39=13+ 82- 66=92- 91+ 81 =7+ 42- 10=12+ 83- 79=35- 24+ 69=52+ 8- 26=92- 55+ 29=44+ 42- 77=62- 46+ 44=91- 89+ 78=83+ 15- 62=99- 43+ 19=78- 74+ 76=55+ 44- 37=69+ 28- 3=66- 13+ 37=46+ 38- 13=58- 50+ 80=70- 63+ 70=53+ 27- 2=56+ 41- 31=60+ 15- 30=33- 19+ 57=6
16、4+ 15- 65=63+ 14- 14=3+ 78- 30=81- 20+ 16=50+ 11- 58=71 + 12- 43=79- 38+ 24=4+ 70- 29=83+ 16-98 =65+ 12-49=16+ 83- 45=14+ 50- 48=89- 70+ 52=73- 70+ 81 =53 - 23+ 64 =22+ 71-59=99- 54+ 41 =79- 56+ 44=86- 80+ 60=94- 15+ 14=41 + 50-36 =83- 22+ 1 =100- 79+ 49=25- 14+ 64=96- 42+ 21=12+ 16- 10=56+ 27- 10 =
17、21- 20+ 73=48+ 43- 81 =88- 42+ 25=70- 20+ 47=79+ 5- 77=35 - 25+ 55 =23+ 26- 1 =85- 74+ 73=84- 37+ 29=53- 49+ 83=23+ 59- 25=90 - 62+ 69 =57- 9+ 31=56- 31 + 57=23+ 39- 20=62- 12+ 47=91 - 80+ 46=53 - 31 + 72 =18+ 34- 18=83-32+1=36- 19+ 54=14+ 73- 71=94- 70+ 39=47 + 35-34 =85- 26+ 5=37- 8+ 29=14+ 45- 54
18、=81+9-61=56- 49+ 52=97 - 59+ 17 =60- 1 + 5=92- 11+ 5=30+ 25- 2=3+ 52- 43=16+ 28- 44=65+ 1 25 =38 6+ 44=48 22+ 36=97 75+ 59=76+ 3 14=24+ 58 23=23+ 35 18 =37 23+ 67=40+ 6 9=29+ 36 54=79+ 21 57=75 62+ 57=37 23+ 70=97 80+ 78=54 13+ 13=84 78+ 58=16+ 17 11 =79 19+ 23=61 + 37 50=36 23+ 83=27+ 26 9=71 51 +
19、61 =54 46+ 85=70+ 21 66=14+ 74 12=37 12+ 47=60+ 21 41 =14+ 56 63=52 46+ 76=12+ 85 19=96 80+ 58=77 74+ 51=57+ 14 43=89 27+ 33=86 31+ 37=74 41 + 31 =34 22+ 70=67 58+ 81=77+ 10 20=16+ 80 38=22+ 42 33=57+ 17 67=83+ 4 87=75 61+ 85=97 57+ 34=26 1 + 28=36+ 28 7=4+46 31=63+ 3 16=21+ 51 41=54 10+ 10=42 36+ 4
20、8=92 60+ 38=80 60+ 74=58+ 29-43 =23+ 29- 38=54+ 21 - 36=10+ 62- 7=6+ 92- 71 =64+ 27- 6=76 - 19+ 29 =64+ 24- 25=74- 73+ 96=53+ 39- 87=33+ 42- 59=80- 68+ 59=34 - 7+ 54 =29+ 71- 68=56+ 30- 71 =80- 41 + 47=61+ 24- 48=48+ 33- 49=19-5+ 76 =32+ 41- 17=99- 79+ 45=8+ 87- 68=81 + 12- 41 =93- 64+ 57=55+ 39- 9=
21、100- 97+ 83=74+ 7- 31 =77+ 9- 16=86- 69+ 71=68- 52+ 42=82- 71+70=56+ 8- 54=29- 12+ 57=82+ 2- 38=81- 29+ 20=55- 41 + 70=58- 50+ 48=60+ 15- 25=45- 42+ 55=11+14-7=22+ 26- 15=20+ 54- 47=77+ 15- 21 =19+ 45- 52=69+ 4- 66=86- 41 + 36=75- 19+ 40=94- 75+ 52=33+ 28- 46=76+ 22- 67=76- 49+ 64=76- 10+ 27=44+ 52-
22、 34=30- 30+ 84=74 - 12+ 31 =30+ 60- 39=64- 45+ 80=90- 7+ 13=9+ 71 - 25=89+ 4- 27=29-26+ 76 =85- 35+ 26=19+ 4- 22=64+ 4- 58=97- 96+ 61=6+ 73- 74=64 - 24+ 36 =56- 33+ 31=29- 29+ 66=32+ 10- 18=92- 79+ 68=50- 18+ 18=48 - 31 + 66 =1+54-17=11-10+73=22+ 36- 50=42- 31+ 54=62+ 35- 97=93 - 60+ 18 =90- 70+ 47=
23、27+ 39- 8=41 + 54- 2=29- 7+ 65=27-3+ 41=28+ 57-35 =51+ 46- 47=60+ 38- 62=4+ 81- 75=55- 19+ 45=88- 72+ 57=71 - 71 + 88 =49+ 14- 50=6+ 82- 40=23+ 45- 59=7+ 28- 4=4+ 84- 12=8 + 73 - 3=99- 32+ 31=27+ 13- 10=67- 2+ 24=18+ 67- 58=10- 4+ 47=79 - 74+ 59 =90- 48+ 36=48- 17+ 56=66- 29+ 24=10+ 63- 48=62- 41 +
24、68=79 - 79+ 56 =47- 7+ 41=41+51-84=55+ 43- 21 =97- 90+ 88=95- 56+ 27=69 - 32+ 20 =55- 7+ 12=20+ 45- 17=81 + 17- 94=15+ 49- 7=5+ 69- 74=66 - 40+ 67 =78- 51+ 33=83- 12+ 10=77- 73+ 59=60- 27+ 19=60-11+17=71 - 3 + 24 =91- 67+ 40=67- 11+ 3=65- 63+ 91 =77+ 5- 34=81 - 32+ 23=72 - 14+ 18 =37+ 31- 45=50+ 28-
25、 4=91 - 63+ 60=45- 24+ 54=58- 27+ 26=17+ 53- 10=62- 50+ 60=50- 2+ 16=1+63-53=52+ 23- 19=30+ 16- 39=49- 16+ 58=100- 52+ 19=74- 69+ 74=11-3+91=42- 34+ 80=90- 27+ 20=80- 42+ 42=37- 37+ 50=28- 23+ 91 =37- 36+ 68=98- 41+ 20=60- 51 + 50=26+ 33- 29=61- 60+ 56=11+73-24=22+ 19- 40=42- 16+ 62=89- 21 + 1 =89 -
26、 24+ 16 =64- 4+ 35=92- 41 + 14=21 + 70- 82=74+ 23- 96=72+ 25- 40=8 + 48 - 34 =84- 15+ 20=94- 2+ 5=41 + 59- 53=97- 73+ 50=47+ 52- 62=48 - 1+ 49 =92- 6+ 14=88- 59+ 63=57+ 14- 18=39- 5+ 35=66- 8+ 34=9+ 28- 3=35+ 64- 91=21+62-18=84- 33+ 2=51- 47+ 91=13+ 67- 13=33+ 38- 18=79- 54+ 27=36- 24+ 84=39- 31 + 8
27、6=36- 35+ 61=44- 31 + 62=75+ 8- 77=56- 14+ 11=94- 81 + 60=79- 19+ 2=64- 33+ 36=16+ 50- 14=56- 13+ 22=69- 23+ 52=2+ 13- 7=50- 6+ 6=59+ 20- 57=42+ 25- 23=47+ 6- 6=83- 77+ 71=90- 60+ 50=26+ 41 - 37=74- 72+ 94=10+ 77- 74=55- 6+ 45=96- 68+ 69=100- 82+ 47=20+ 76- 74=31+ 37- 32=58- 48+ 43=81 - 62+ 53 =85+
28、3- 67=67+ 14- 40=92- 86+ 56=49- 13+ 48=68- 66+ 81 =40+ 20- 12 =37- 9+ 60=56+ 34- 65=73- 57+ 75=92- 83+ 74=47- 41 + 55=88 - 56+ 44 =55- 3+ 30=96- 49+ 18=1 + 40- 18=14+ 48- 29=87+ 13- 6=3 + 21 - 5=42- 28+ 74=31+46-27=98- 80+ 80=53+ 10- 23=48+ 37- 64=79 - 29+ 48 =17+ 15- 13=24+ 61 - 1 =96- 40+ 37=27+ 5
29、7- 2=95- 56+ 39=46- 7+ 31 =17+ 54- 52=15+ 48- 51 =48- 29+ 38=70- 30+ 47=22+ 23- 8=48+ 34- 42=62+ 30- 21=75+ 16- 72=46- 14+ 68=49- 45+ 61=36- 12+ 48=90- 65+ 56=53- 17+ 43=55- 11+ 23=2+ 68- 27=16+ 44- 12=27+ 56- 83=3+28-31=65+ 13- 53=89- 72+ 54=96- 84+ 83=62- 19+ 30=20- 18+ 89=96 - 85+ 57 =56- 2+ 9=15
30、- 11+ 53=93- 47+ 4=58+ 12- 15=97- 13+ 3=35 - 13+ 62 =50+ 7- 16=53+ 10- 49=67- 21 + 45=42- 5+ 21 =99- 35+ 4=5 + 89 - 19 =29+ 64- 93=34+ 20- 6=62+ 4- 58=40+ 23- 16=7+58- 41=49 - 49+ 80 =39- 34+ 74=42- 1 + 14=36+ 56- 13=66- 62+ 46=6+ 65- 63=2+ 72- 4=22+41-13=76+ 13- 22=21 + 33- 27=60+ 21- 52=96- 39+ 13
31、=32+ 10- 5=47- 21+ 36=17+ 75- 15=99- 79+ 72=58+ 13- 22=18+ 81 - 56=8+ 50- 42=10+ 90- 4=60- 57+ 66=18+ 64- 77=96- 67+ 54=56+ 10- 66=83- 9+ 12=23+ 37- 53=40+ 34- 37=20+ 43- 35=6+ 9- 10=79- 18+ 29=71 - 26+ 9=5+ 45- 31=82+ 15- 37=75- 57+ 53=20- 10+ 83=17+ 45- 54=82 - 11+ 1 =41-1+60=68- 18+ 21 =37- 32+ 7
32、6=80- 55+ 72=70- 38+ 39=32+ 60-23 =3+ 76- 24=90+ 8- 92=82- 81 + 87=23- 23+ 58=35+ 12- 41 =5+ 77- 44=42+ 33- 32=54- 20+ 30=66- 34+ 64=82+ 8- 41 =32+ 48- 6=31 + 9- 4=62+ 17- 8=22+ 43- 65=29+ 52- 18=1+80-50=93+ 6- 9=4+ 88- 81 =25+ 46- 34=88- 53+ 52=64+ 23- 28=99- 14+ 6=9+ 65- 8=17+ 53- 6=33+37-1=41+16-
33、57=50+ 25- 72=56+ 41- 87=46- 27+ 42=23- 4+ 65=82- 23+ 24=18+ 7- 3=81 - 66+ 58=72- 33+ 45=42+ 40- 33=49- 43+ 46=87- 20+ 24=73- 19+ 31 =85- 76+ 90=88- 25+ 35=41 - 37+ 46=12+ 87- 18=78+6-1=72- 42+ 39=84- 14+ 12=21+37-19=32+ 33- 32=43 - 37+ 58 =16+71-16=43- 37+ 57=66+ 24- 42=10+ 20- 14=52- 37+ 53=28+ 29
34、-38 =76- 29+ 43=69- 48+ 32=59+ 1 - 52=69- 66+ 97=93- 92+ 93=5 + 26 - 22 =30+ 36- 56=9+ 27- 35=97- 64+ 45=58- 25+ 46=35- 13+ 28=88+ 10-46 =33- 9+ 69=59+ 38- 61 =54+ 26- 7=97- 56+ 20=75- 51 + 72=91 - 85+ 51 =47+ 6- 10=43+ 19- 43=91 - 78+ 78=92- 45+ 29=81 - 80+ 83=59+ 7- 54=87- 43+ 23=77- 13+ 18=15- 5+
35、 69=68- 9+ 21 =79- 52+ 66=75+ 1 - 61 =7+ 52- 1 =24+ 73- 41 =100- 81 + 78=20- 6+ 83=49+ 38- 65=18+ 63- 80=81- 29+ 44=19+ 80- 63=68+ 26- 27=38+ 32- 57=75- 40+ 38=62- 8+ 31 =67+ 17- 41=55-1+6=59- 9+ 48=63- 15+ 37=78- 43+ 41 =41 - 4+ 38 =83- 71+ 61=82- 40+ 45=65- 27+ 51 =14+ 45- 57=73- 34+ 49=71 + 21-33
36、 =69- 29+ 26=17+ 23- 30=69- 27+ 45=87- 34+ 41=71 - 22+ 10=31+ 30-11=80- 72+ 82=76- 5+ 12=31 - 2+ 40=57+ 25- 81=30- 6+ 33=72- 17+ 16=96- 81+ 63=18+ 37- 7=36+ 51 - 25=52+ 5- 57=13+ 60- 39=89- 51+21=89- 56+ 18=62+ 36- 32=3+ 24- 25=56- 13+ 36=51 + 47- 31 =33- 7+ 71 =10+ 83- 72=79- 41 + 52=67+ 5- 45=78+
37、21- 33=59- 45+ 47=75- 69+ 84=74- 67+ 93=27+ 34- 33=80- 31 + 26=68+ 23- 1 =81 - 47+ 22=63- 49+ 70=79- 27+ 24=93- 61 + 22=53+ 20- 64=63+ 13- 3=29+ 38- 9=43+ 31-3=6+ 55- 41=41+ 56-72=93- 65+ 59=47- 43+ 48=93- 86+ 72=3 + 75 - 14 =92- 54+ 35=83- 44+ 46=24- 16+ 88=30- 20+ 63=10+ 46- 32=75 - 71 + 67 =46- 4
38、3+ 59=89- 52+ 42=78- 71 + 45=13+ 68- 67=66+ 29- 88=56- 10+ 12=1+80-65=66+ 5- 37=74- 35+ 13=84+ 14- 10=100- 45+ 25=86- 59+ 59=70- 36+ 65=20+ 70- 76=59+ 10- 13=41-15+45=17+ 46- 12=45+41-16=58-1+6=32+ 19- 41 =71 - 54+ 46=83- 61+ 45=49+ 43- 72=97- 84+ 43=19+ 20- 9=86- 58+ 33=3+ 20- 13=89- 79+ 74=78- 64+
39、 56=27+71-45=73+ 7- 31=70- 3+ 26=85- 36+ 29=4+ 53- 17=91 - 48+ 32=9+ 80- 19=65- 41+ 46=7+ 78- 81 =43+ 53- 68=64- 26+ 35=4+ 91 - 83=61 + 10- 51 =44- 26+ 49=5+ 39- 7=57- 49+ 59=10+ 71- 61=69- 40+ 50=39+ 16-6 =51+ 30- 15=47+ 5- 24=83-1+ 6=58- 28+ 22=71 - 46+ 30=75 - 40+ 65 =63- 18+ 19=92- 79+ 62=93- 92
40、+ 66=77- 30+ 53=50- 36+ 85=100- 56+ 48=64+ 30- 21=70- 32+ 29=26+ 59- 71 =69- 10+ 31=56+ 34- 70=18- 17+ 49=61- 6+ 20=38- 32+ 94=73- 37+ 59=25+ 20- 34=60+ 38- 55=77- 42+ 55=93- 66+ 68=86- 75+ 63=42- 6+ 59=26- 6+ 74=46+ 34- 36=62- 41+62=70- 24+ 30=53- 43+ 69=6+ 49- 8=34- 24+ 62=37- 26+ 55=5+13-1=89+ 7-
41、 52=56+ 16- 17=52- 48+ 70=64+ 20- 80=14+ 86- 58=89- 28+ 10=45- 24+ 54=82- 37+ 25=94- 58+ 28=43- 42+ 90=57+ 9- 9=93- 82+ 56=41+ 41- 30=55+ 39- 37=79- 53+ 36=73- 60+ 57=38- 29+ 70=42 + 34- 36 =68- 62+ 55=95- 93+ 87=40+ 15- 29=49+ 45- 47=33+ 28- 26=39 - 11 + 46 =36+ 25- 52=5+ 89- 17=36+ 41 - 69=47- 12+ 37=51 - 43+ 70=87 - 63+ 73 =11+55-23=65- 4+ 16=89+ 6- 90=51+