8 * 3 − 10;
5 * 2 + 18;
9 * 3 + 14;
47 + 14 + 3;
59 + 12 + 8;
66 + 15 + 4;
48 + 9;
48 + 39;
48 + 52.
8 * 3 − 10 = 24 − 10 = 14;
5 * 2 + 18 = 10 + 18 = 28;
9 * 3 + 14 = 27 + 14 = 41;
47 + 14 + 3 = (47 + 3) + 14 = 50 + 14 = 64;
59 + 12 + 8 = 59 + (12 + 8) = 59 + 20 = 79;
66 + 15 + 4 = (66 + 4) + 15 = 70 + 15 = 85;
48 + 9 = 57;
48 + 39 = 87;
48 + 52 = 100.