4 * 8;
9 * 3;
6 * 4;
24 : 3;
28 : 7;
32 : 4;
28 − 8 + 37;
45 − 40 + 59;
32 − 32 + 18;
44 + 2 * 7;
80 − 8 * 2;
48 − 27 : 3.
4 * 8 = 32;
9 * 3 = 27;
6 * 4 = 24;
24 : 3 = 8;
28 : 7 = 4;
32 : 4 = 8;
28 − 8 + 37 = 20 + 37 = 57;
45 − 40 + 59 = 5 + 59 = 64;
32 − 32 + 18 = 0 + 18 = 18;
44 + 2 * 7 = 44 + 14 = 58;
80 − 8 * 2 = 80 − 16 = 64;
48 − 27 : 3 = 48 − 9 = 39.