GIF89a,ńڋ7)ȞIF(7uAw;rY-H"QɃh!4 &=ң_ݘR4#6VW',t({&$cGhs1ƥg(8G2rG腈iSf泦"6cXYwEbغ(9%Rb*y -=]Km}퉭 ..^! MathType001$ f=q+t-p/2;