What is the smallest mixed number that, when factored, results in a product of real numbers up to 200?
+
What is the sum of the mixed numbers 3 4/5 and 2 2/3? Factoring the number 144 and 81, what is their highest common factor? What is the value of | √(-36) |?
+
What is the value of arccos(cos(pi/4)) - arcsin(sin(7pi/6)) ?