6 * 11 + 6
9 * 11 − 97
8 * 8 − 4 * 7
7 + 3 * 9
24 + 60 − 83
86 − 16 + 25
6 * 11 + 6 = 6 * (10 + 1) + 6 = 60 + 6 + 6 = 66 + 6 = 72;
9 * 11 − 97 = 9 * (10 + 1) − 97 = 90 + 9 − 97 = 99 − 97 = 2;
8 * 8 − 4 * 7 = 64 − 28 = 38;
7 + 3 * 9 = 7 + 27 = 34;
24 + 60 − 83 = 84 − 83 = 1;
86 − 16 + 25 = 70 + 25 = 95.