//Язык Pascal
Program multiplication;
Var
code, rightAnswers, mistakes, answersCount, value1, value2, answer: integer;
Begin
Randomize;
code := 1;
rightAnswers := 0;
mistakes := 0;
answersCount := 0;
while code = 1 do
begin
Write('Проверим? ');
Readln(code);
Writeln();
if (code = 1) then
begin
value1 := random(1, 9);
value2 := random(1, 9);
Write(value1, '*', value2, ' = ');
Readln(answer);
if (answer = value1 * value2) then
begin
Writeln('Правильно!');
rightAnswers := rightAnswers + 1;
end
else
begin
Writeln('Неправильно!');
mistakes := mistakes + 1;
end;
answersCount := answersCount + 1;
Writeln();
end;
end;
Writeln('Статистика:');
Writeln('Задано вопросов: ', answersCount);
Writeln('Количество правильных ответов: ', rightAnswers);
Writeln('Число ошибок: ', mistakes);
End.
1)
#include <iostream>
using namespace std;
int main()
{
int a, b, c, d, e;//числа которые вводит пользователь
const int size = 5;//сколько чисел вводит пользователь
cout << "Enter first number > ";
cin >> a;
cout << "Enter second number > ";
cin >> b;
cout << "Enter third number > ";
cin >> c;
cout << "Enter fourth number > ";
cin >> d;
cout << "Enter fifth number > ";
cin >> e;
cout << "AVG of " << a << ' ' << b << ' ' << c << ' ' << d << ' ' << e << endl;
cout <<(double)(a + b + c + d + e) / size;
system("pause");
return 0;
}
2)
#include <iostream>
using namespace std;
int main()
{
int a, b, c;//вводит пользователь
int D;//дискриминант
cout << "Enter a > ";
cin >> a;
cout << "Enter b > ";
cin >> b;
cout << "Enter c > ";
cin >> c;
cout << endl;
D = (b*b) - 4 * a*c;
cout << "D from : ";
cout << a << "x^2 + " << b << " x + " << c << endl;
cout << "D = " << D << endl;
system("pause");
return 0;
}
F-[xx]+3z²=GH+4²=hat²