文档介绍：67+24-66= 35-17+29= 24+28-33= 86-38+43=
78-59+59= 94-69+36= 72-35+49= 24+28-33=
86-38+43= 64-17+14= 64-39+28= 64-17+14=
45+19-39= 17+48+27= 45-29+38= 46+16-23=
29+44-34= 78-29+36= 90-61+13= 90-51+15=
52-17+49= 45-16+52= 53-15+33= 90-61+13=
90-51+15= 34+58-75= 85-18-48= 51-23+25=
51-23+25= 75+16-38= 73+18-54= 83-15+19=
90-38+29= 90-16-16= 83-15+19= 49+45-68=
80-53+57= 82-28-27= 39+47-38= 74-29+46=
74-29+46= 43+38-24= 55+19-57= 64-17+37=
70-41+48= 72-16-18= 71-19-35= 98-79+49=
29+12-16= 64-17+37= 98-79+49= 29+12-16=
26+65-35= 31-13+59= 62-45+27= 16+79-69=
70-11+25= 35+29+17= 75-58+49= 60-25+59=
61-35+57= 60-25+59= 58+35-44= 72-57+36=
64-26+43= 50-23+48= 72-57+36= 64-26+43=
33-19+48= 42-17+29= 68+24-69= 33-19+48=
86-47+44= 86-69+58= 95-46+25= 57+27-35=
37+39-58= 47+25-24= 46+15-26= 52-29+38=
39+14+28= 25+58-25= 68-39+14= 37+39-58=
52-29+38= 64-26+45= 92-63+45= 55+39-78=
23+19-26= 29+43-37= 55+39-78= 23+19-26=
24+68-53= 24+58-55= 46-18+14= 97-39+29=
37+39-58= 47+25-24= 46+15-26= 52-29+38=
39+14+28= 25+58-25= 68-39+14= 37+39-58=
52-29+38= 64-26+45= 92-63+45= 55+39-78=
23+19-26= 29+43-37= 55+39-78= 23+19-26=
24+68-53= 24+58-55= 46-18+14= 97-39+29=
45+28-44= 46+25-27= 25+68-27= 68-49+16=
44+18-45= 97-18+12= 53-17+26= 68-39+18=
68-49+16= 68-39+18= 39+42-62= 96-59+57=
96-59+57= 76+15-15= 66-29+48= 24+68-56=
75-28-29= 52-16+55= 24+68-56= 57+37-36=
83-14+25= 39+55-49= 74-37+57= 83-14+25=
94-38+19= 92-63+49= 29+53-38= 27+46-56=
94-48+17= 83-65+68= 64-26+48= 94-38+19=
27+46-56= 13+59-36= 90-25-49= 39+42-63=
50-16-15= 39+42-63= 52+19-15= 93-48+47=
35+47-26= 35+37-28= 29+13-17= 61-43+68=
61-43+68= 16+59-49= 17+37-36= 94-79+36=
81-54+28= 50-32+59= 16+27+38= 16+59-49=
94-79+36= 77+18-46= 86-17+26= 77+18-46=
80-54+58= 82-29-28= 80-31+44= 67+16-35=
58+13-32= 42-23+52= 41-25+68= 58+13-32=
47+34-35= 18+75-37= 62-34+13= 16+68-55=
18+65-39= 12+19-15= 62-24+14= 47+34-35=
16+68-55= 94-57+46= 75-47+56= 92-54+17=