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