文档介绍：31+18+20=
10+11+26=
-4+26+28=
31+2+14=
39+27+13=
44+30+2=
43+13+18=
34+2+20=
19+10+21=
28+9+10=
37+28+20=
45+31+8=
30+33+9=
22+4+34=
29+1+20=
10+7+28=
19+5+11=
15+11+32=
44+14+10=
13+9+23=
16+14+24=
12+22+7=
14+23+4=
18+31+9=
35+13+10=
41+22+21=
17+4+19=
30+31+28=
-3+19+31=
17+23+17=
21+16+12=
25+12+3=
8+33+3=
15+13+17=
12+19+10=
27+19+6=
42+22+17=
15+4+27=
18+26+20=
37+1+8=
8+7+13=
11+4+19=
28+19+28=
9+10+24=
27+15+6=
31+31+18=
0+26+14=
19+17+7=
21+7+21=
4+31+4=
18+10+30=
33+10+23=
17+6+3=
12+27+10=
16+20+10=
22+5+18=
6+29+20=
33+31+12=
23+3+22=
16+33+4=
42+21+12=
12+19+9=
45+5+1=
13+19+31=
22+14+29=
37+23+25=
45+12+17=
16+24+6=
17+19+28=
23+15+17=
7+21+17=
30+30+13=
20+13+7=
22+8+20=
14+30+16=
5+23+25=
26+27+6=
36+7+32=
8+6+28=
23+19+5=
10+9+3=
31+18+19=
6+16+25=
33+14+31=
33+3+22=
31+1+15=
16+10+33=
36+24+14=
32+10+12=
17+32+5=
28+12+4=
14+6+16=
43+19+17=
44+8+13=
15+10+17=
2+18+33=
23+31+22=
18+24+3=
33+24+17=
12+11+12=
35+2+18=
33+27+11=
44+27+23=
41+30+14=
2+32+27=
30+14+1=
13+9+18=
25+7+11=
28+29+17=
5+30+13=
12+26+8=
18+8+30=
26+13+13=
39+20+32=
21+12+29=
17+12+7=
13+1+25=
38+10+24=
16+28+25=
26+6+15=
12+24+11=
35+6+20=
43+9+32=
1+33+22=
25+31+20=
8+29+3=
17+26+9=
14+14+18=
18+23+8=
8+33+5=
28+31+8=
43+29+15=
20+26+28=
24+10+12=
16+6+21=