In the early stages, there may be no symptoms associated with hip impingement or symptoms may be mild or vague. 1  Some typical symptoms include: 2  Stiffness in the thigh, hip, or groin. 3  The inability to flex the hip beyond a right angle.
The framework of Singapore Math is developed around the idea that learning to problem-solve and develop mathematical thinking are the key factors in being successful in math.
Exercises. 1  Think of a recusive version of the function f(n) = 3 * n, i.e. the multiples of 3. 2  Write a recursive Python function that returns the sum of the first n integers. (Hint: The function will be similiar to the factorial function!) 3  Write a function which implements the Pascal's triangle: