1)var a, b: real;begin readln(a, b); if (a > b) then writeln(a) else if (a < b) then writeln(b) else writeln('a = b');end.2)var a, b, c: integer;begin readln(a); b := a mod 100 div 10; c := a mod 10; a := a div 100; write('a) '); if (a > c) then writeln(a) else if (a < c) then writeln(c) else writeln('='); write('b) '); if (a > b) then writeln(a) else if (a < b) then writeln(b) else writeln('='); write('c) '); if (c > b) then writeln(c) else if (c < b) then writeln(b) else writeln('=');end.3 даже представить не могу, извините:)