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=
所需点数：0
