a = [4, 8, 12, 16] result = [] b = int(input('사칙연산을 통해 얻어질 수 있는 값:')) count = 0 for x in a : for y in a[count:] : if b == x*y or b == x-y or b == y-x or b == x/y or b == y/x or b == x+y : if result.count([x, y]) < 1 : result.append([x, y]) count+=1 for k in result : print(k)
