39-23= 59-16= 16+64= 36-13= 89-7=
82-61= 87-54= 67-65= 80+0= 71-32=
46+31= 11+28= 10+79= 68-11= 95-10=
69-20= 11+80= 99-40= 55-50= 16+50=
24+20= 45+20= 78-50= 93-50= 37+10=
87-10= 97-20= 18+80= 63-20= 19+80=
95-70= 45-20= 38+30= 35+30= 72-40=
78-8= 95-2= 96-6= 58-6= 72-2=
31+5= 96+3= 81+1= 99-2= 74-1=
12-1= 44+5= 43-0= 81+7= 46+0=
37-5= 86-3= 31+0= 57+2= 40+6=
45+9= 44+8= 77+7= 15+6= 73+9=
28+8= 39+8= 46+8= 59+7= 47+6=
76+6= 63+8= 48+3= 56+8= 94+9=
47+8= 52+9= 49+9= 38+4= 49+3=
43-9= 85-8= 62-8= 80-3= 36-7=
62-9= 50-4= 31-4= 96-9= 32-8=
82-7= 40-2= 97-9= 62-4= 82-5=
51-6= 22-9= 30-8= 21-7= 68-9=
所需点数：2
