26 + 17 + 3;
45 − 20 − 9;
65 − 60 + 95;
37 + 8 + 22;
1 * 7 * 10 − 25;
0 * 3 * 10 + 40.
26 + 17 + 3 = 26 + (17 + 3) = 26 + 20 = 46;
45 − 20 − 9 = 25 − 9 = 16;
65 − 60 + 95 = 5 + 95 = 100;
37 + 8 + 22 = 37 + (8 + 22) = 37 + 30 = 67;
1 * 7 * 10 − 25 = 70 − 25 = 45;
0 * 3 * 10 + 40 = 0 + 40 = 40.