public static string MathFact_Mixed(string input)
{
advanced_key_interpr key = new advanced_key_interpr(input);
// Випадково вибираємо знак операції над числами
Random rand = new Random();
char[] arr_chars = { '+', '-', '*', '/' };
List <char> potential_signs = new List <char>(arr_chars);
int index = GenerateRandomNumber(potential_signs.Count);
char sign = potential_signs[index];
return(GenerateString(key, sign));
}
public static string PlaceValue_Counting(string input)
{
advanced_key_interpr key = new advanced_key_interpr(input);
return(key.GetResult().ToString());
}
public static string MathFact_Advanced(string input, char sign)
{
advanced_key_interpr key = new advanced_key_interpr(input);
return(GenerateString(key, sign));
}