Solve the equations to identify the clue numbers in this Sudoku problem.
Can you find the percentage increase if the results appear in code?
Five equations and five unknowns. Is there an easy way to find the unknown values?
Find all the triples of numbers a, b, c such that each one of them plus the product of the other two is always 2.
What do you get when you raise a quadratic to the power of a quadratic?
Observe symmetries and engage the power of substitution to solve complicated equations.
Can you solve the system of equations to find the values of x, y and z?
These secondary problems have not yet been solved. Can you be the first?