G8 F& Q# J$ _
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sum(col(j):a(i,j)*x(j))<b(i));
gin(x)); 5 O8 @7 N. Y! d2 S5 ^5 g
bnd(0,x,99)); 2 |* c) j- P, M
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; ) m% A4 |* Z. d2 b
sum(var(j):x(i,j))=1);
sum(var(i):x(i,j))=1);
bin(x)); 

bnd(0,x,500)); 2 R% W" s9 K+ _% ^3 K6 |
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bin(z)); 8 |/ {6 ?! ~! U' f. A
bnd(0,x,500)); $ S5 H. D% F3 w3 ^* n, H+ c- q
6 K) l+ \6 f) e% c
bin(z)); 



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