Καθυστέρηση και αρνητικό τεστ!

Question

&Kappa;&alpha;&lambda;&eta;&sigma;&pi;&epsilon;&rho;&alpha;. Έ&chi;&omega; &kappa;&alpha;&theta;&upsilon;&sigma;&tau;έ&rho;&eta;&sigma;&eta; 10 &eta;&mu;&epsilon;&rho;ώ&nu; &kappa;&alpha;&iota; έ&chi;&omega; &kappa;ά&nu;&epsilon;&iota; 3 &tau;&epsilon;&sigma;&tau; &pi;&omicron;&upsilon; &beta;&gamma;ή&kappa;&alpha;&nu; &alpha;&rho;&nu;&eta;&tau;&iota;&kappa;ά. &Upsilon;&pi;ά&rho;&chi;&epsilon;&iota; &pi;&epsilon;&rho;ί&pi;&tau;&omega;&sigma;&eta; &epsilon;&gamma;&kappa;&upsilon;&mu;&omicron;&sigma;ύ&nu;&eta;&sigmaf; &eta; &kappa;ά&tau;&iota; &pi;&iota;&omicron; &alpha;&nu;&eta;&sigma;&upsilon;&chi;&eta;&tau;&iota;&kappa;ό;; Έ&chi;&omega; &pi;&rho;ή&xi;&iota;&mu;&omicron; &sigma;&tau;&omicron; &sigma;&tau;ή&theta;&omicron;&sigmaf; &phi;&omicron;&upsilon;&sigma;&kappa;ώ&mu;&alpha;&tau;&alpha; &sigma;&tau;&eta; &kappa;&omicron;&iota;&lambda;&iota;ά &pi;ό&nu;&omicron; &sigma;&tau;&eta; &pi;&lambda;ά&tau;&eta; &kappa; ά&sigma;&pi;&rho;&alpha; &upsilon;&gamma;&rho;ά &epsilon;&lambda;ά&chi;&iota;&sigma;&tau;&alpha;. &Omicron; &kappa;ύ&kappa;&lambda;&omicron;&sigmaf; &mu;&omicron;&upsilon; &sigma;&chi;&epsilon;&delta;ό&nu; &kappa;ά&theta;&epsilon; 28 &mu;έ&rho;&epsilon;&sigmaf; &kappa; &lambda;&iota;&gamma;ό&tau;&epsilon;&rho;&omicron; &mu;&omicron;&upsilon; &epsilon;&rho;&chi;ό&tau;&alpha;&nu;... &tau;&iota; &mu;&pi;&omicron;&rho;&epsilon;ί &nu;&alpha; &sigma;&upsilon;&mu;&beta;&alpha;ί&nu;&epsilon;&iota;; Έ&chi;&omega; &kappa;&lambda;&epsilon;ί&sigma;&epsilon;&iota; &rho;&alpha;&nu;&tau;&epsilon;&beta;&omicron;ύ &alpha;&lambda;&lambda;ά έ&chi;&omega; &sigma;&kappa;ά&sigma;&epsilon;&iota;...