= “§ÈI VÍI D÷ LIÖU KIÓU TÖP CHØC N¨NG WRITE (F,X)” (220,1)=” §ÄC...

220) = “§èi víi d÷ liÖu kiÓu TÖp chøc n¨ng write (F,x)” (220,1)=” §äc mét phÇn tö tõ file F g¸n cho biÕn x “ (220,2)= “Ghi gi¸ trÞ x vµo file F “* (220,3)= “Di chuyÓn con trá file ®Õn vÞ trÝ X “ (220,4)= “§äc mét phÇn tö tõ file x g¸n cho biÕn F “