ducktin·昨年·議論It found two solutions for 40 but one of them omitted the 5 the other added a 3.12 * 3 + 4 = 401 * 2 * 3 * 4 * 5 / 3 = 40
12 * 3 + 4 = 40
1 * 2 * 3 * 4 * 5 / 3 = 40