文档介绍：94-90=
71-43=
72-67=
89-30=
69+3=
93-90=
44+17=
7-4=
100-84=
18+39=
97-23=
18+76=
100-78=
91-52=
21+45=
75-33=
67+30=
36+30=
7-1=
88-69=
16+74=
75+11=
73+9=
96-39=
100-99=
61+38=
72-37=
81-36=
7+81=
16+76=
86-83=
54+39=
55+27=
52+8=
78-9=
91-57=
73+6=
67+19=
45-42=
29+36=
100-40=
46+40=
21+64=
51-40=
50-22=
8+69=
45+16=
44-34=
8-8=
81-9=
26+48=
7-3=
29-7=
37-10=
29-14=
80+19=
82-12=
80-43=
27+37=
47+36=
50-27=
56-26=
51+25=
78-8=
50+13=
59-11=
8+80=
77+2=
75-56=
42+13=
12+61=
39+42=
79-26=
72-60=
26+27=
62-46=
94-7=
63+23=
86-34=
75-71=
55-50=
88-78=
67-53=
38-28=
72+13=
23+74=
39+49=
36-8=
62-40=
94-5=
100-84=
45-24=
56+25=
71-7=
39+28=
6+78=
13+53=
99-90=
82-1=
77-5=
82-15=
51-40=
2-2=
31+20=
57+9=
62+4=
81-2=
16+38=
39+28=
68-16=
41+44=
35+17=
98-2=
49-21=
96-9=
34+41=
49-43=
48-25=
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70-44=
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93-40=
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78+14=
83-54=
58-27=
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99-80=
37+45=
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79-15=
51-50=
58+27=
87+12=
28-26=
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98-16=
96-26=
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38-26=
28-18=
6+86=
67-10=
76-3=
73+1=
88-28=
45+9=
31+67=
67-41=
90-47=
73+14=
37+25=
16+48=
32+53=
42+12=
8+63=
71+4=
64+21=
61-49=
61+17=
99-67=
80-19=
27-5=
37+14=
59-9=
15+72=
45-33=
55+11=
43-21=
49+6=
79+6=
50-16=
31+24=
49+18=
61-14=
35-12=
18-7=
23+67=
34-18=
82-77=
77-52=
91-29=
3+83=
57-55=
92-32=
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43+27=
87+11=
46-17=
33+54=
64-46=
43-6=
19+49=
51-25=
44+51=
10+64=
12+70=
50-46=
29+40=
51+41=
33+32=
78+8=
59+2=
97-16=
74+3=
27+51=
63-39=
11+81=
16+38=
50-24=
48+45=
13-6=
74-29=
47-8=
13+43=
5+46=
99-68=
80-57=
75-38=
23-8=
25+75=
29-22=
97-27=
43+7=
64+10=
66-10=
29+56=
71-37=
14+46=
2+74=
42+43=
89-34=
16+52=
67-44=
60-25=
29-12=
31+44=
15+83=
65-31=
14+70=
76-64=
95-30=
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