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uses crt;
var
a,b,c,sum,p:integer;
sr:real;
begin clrscr;
write('a='); read(a);
write('b='); read(b);
write('c='); read(c);
sum:=a+b+c;
writeln(a,'+',b,'+',c,'=',sum);
p:=a*b*c;
writeln(a,'*',b,'*',c,'=',p);
sr:=sum/3;
writeln('sredn./arifm.=',sr:2:3);
readkey;
end.
16,13(10 с/с)->(16 c/c) =10.2147АЕ147АЕ1000
1В)2А)3Г)4В)5А)6Г)7Г)8В)9Г)10А)11А)12А)13Б)14А)15Г)16В)17В)18Г)