3 ms·Solution: Look at the equation modulo 10.by datr 14y agoSolution: Look at the equation modulo 10.koopajah 14y agoYou can also use the last digit of each number. x^N will always end with a '6', y^N with a '1' and z^N with a '5' for N>=1 so ut can't worktwiceaday 14y agoThis is equivalent to looking at the equation modulo 10.