67+14= 71-13= 53+8+12= 43+28= 24+19=
16+58+12= 46+39= 91-75= 25+26+4=
72-46= 16+27= 38+37+13= 28+62=
39+32= 45+15+15= 18+25= 48-4=
34+5+5= 16+78= 80-54= 19+16+58=
44+19= 24+18= 54+29+9= 42+29=
42+16= 17+28+28= 13+49= 23+18=
55+39+9= 73-39= 90-35= 45+38+7=
57+28= 73+19= 86+8+2= 36+22=
22+19= 89+15-39= 57-48= 96-77=
56+39= 48-39= 55+27= 86+8+2=
66-39= 25+28= 23+18-19= 52+12=
22-28= 62-27+36= 14+27= 66+18=
所需点数：2
