32 * 26 - 11 * 26 = 26 * (32 - 11) = 26 * 21 = 26 * (10 + 10 + 1) = 260 + 260 + 26 = 546
32 * 26 - 11 * 32 = 32 * (26 - 11) = 32 * 15 = 32 * (10 + 5) = 320 + 160 = 480
43 * 16 + 43 * 13 = 43 * (16 + 13) = 43 * 29 = 43 * (10 + 10 + 9) = 430 + 430 + 387 = = 1247
48 * 11 + 48 * 4 = 48 * (11 + 4) = 48 * 15 = 48 * (10 + 5) = 480 + 240 = 720