54 : 9 6 + 42 : 6 + 57 = 6 6 + 7 + 57 = 36 + 7 + 57 = 100
100 - 25 : 5 9 - 7 6 = 100 - 5 * 9 - 42 = 100 - 45 - 42 = 13
54 : 9 6 + 42 : 6 + 57 = 6 6 + 7 + 57 = 36 + 7 + 57 = 100
100 - 25 : 5 9 - 7 6 = 100 - 5 * 9 - 42 = 100 - 45 - 42 = 13