20 – 5 + 4 = 15 + 4 = JXUwMDY5JXUwMDA4
55 + 10 – 5 = JXUwMDZlJXUwMDAz – 5 = JXUwMDZlJXUwMDA2
70 – 12 + 5 = JXUwMDZkJXUwMDBk + 5 = JXUwMDZkJXUwMDAy
14 + 30 – 5 = JXUwMDZjJXUwMDAw – JXUwMDZk = JXUwMDZiJXUwMDBh