Question 24
Find the two missing numbers in the last arrangement. The first three arrangements are(20,15;5),(32,27;9),(17,12;4). Give the upper-left number; upper-right number.
Use the same simple arithmetic relationships in every arrangement. The question asks for the source’s intended pattern; finitely many examples can fit other rules.
Use the same simple arithmetic relationships in every arrangement. The question asks for the source’s intended pattern; finitely many examples can fit other rules.