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bt vd2
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Uses Crt;Begin Writeln('***************************************'); writeln(' CHUONG TRINH PASCAL DAU TIEN CUA TOI *'); Writeln(' Oi!Tuyet voi!... '); writeln(' **************************************'); Readln;End.program CT_Dau_tien;uses crt;begin clrscr; writeln('Chao cac ban'); writeln('Toi la Turbo Pascal');readln;end.program Vidu2;Const Pi=3.14;Var R, S:Real;begin R:=15; {Ban kinh duong tron} S:=R*R*Pi; Writeln('Dien tich hinh tron=',S:8:2); Readln;End.
