(2 ĐIỂM) PROGRAM BT3;VAR N,I

Bài 3. (2 điểm)

Program BT3;Var n,i : integer; t,y,a : real; f1,f2 : text;BEGINAssign(f1, 'F:\Bai3.Inp');Reset(f1);Assign(f2, 'F:\Bai3.Out');Rewrite(f2);read(f1,a,n); {readln(f1,a,n);}t := 1;for i:=1 to n do t := t*a;y:= 3 + 5*t;writeln(f2,‘Gia tri bieu thuc la:’, y:6:2);close(f1);close(f2); Readln;END.