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004432.2 (076)
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, 2002
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1.
.
Lab1.
. .
1. " ".
|
|
|
2. a, b.
3. " ", ab;
. .
program Lab1;
{$APPTYPE CONSOLE}
uses SysUtils;
var a,b:Real;
begin
Write(' : ');
ReadLn(a,b);
WriteLn(' ',a*b);
ReadLn; { }
end.
| a | b | ||
2.
( " " " ", ).
: 
, p , 
.
Lab2.
. .
1. " ".
2. a, b, c.
3. a ≤0, b ≤0, ≤0,
. " ".
. :
1. a + b ≤ c, a + c ≤ b, b + c ≤ a,
. " ".
. :
1. 
.
2. " ", 
.
. .
program Lab2;
{$APPTYPE CONSOLE}
uses SysUtils;
var
a,b,c,p:Real;
begin
Write(' : ');
ReadLn(a,b,c);
if (a<=0) or (b<=0) or (c<=0) then
WriteLn(' ')
else
if (a+b<=c) or (a+c<=b) or (b+c<=a) then
WriteLn(' ')
else
begin
p:=(a+b+c)/2;
WriteLn(' ',
Sqrt(p*(p-a)*(p-b)*(p-c)));
end;
ReadLn; { }
end.
, . .
| a | b | c | |||
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