Ú1‚¤S Ú1j Ú1z ø1‚qR ø1j ø1z R1‚¬S R1j R1z p1‚vR p1j p1z 1‚R 1j 1z . 1‚=S . 1j . 1z 21‚ðS 21j 21z P1‚¼R P1j Q1z °1‚T °1j °1z Î1‚ R Î1j Î1z h*1‚‚S h*1j h*1z †*1‚&R †*1j †*1z X+1‚aS X+1j X+1z v+1‚R v+1j v+1z ž?1‚IQ ž?1j ž?1z ¼?1‚P ¼?1j ¼?1z ˆF1‚ŸL ˆF1j ˆF1z ¦F1‚iK ¦F1j ¦F1z xV1‚