15 - 56 = -41 69 - 54 = 15 26 / 8 = 3 58 - 94 = -36 11 / 10 = 1 96 + 98 = 194 2 - 4 = -2 3 / 5 = 0 69 + 35 = 104 52 * 99 = 5148 78 + 100 = 178 75 - 44 = 31 66 + 12 = 83 (FALSCH) 44 * 15 = 660 6 - 47 = -41 62 - 90 = -28 42 / 10 = 4 46 + 51 = 97 100 * 53 = 5300 42 + 82 = 124 53 - 2 = 51 62 * 61 = 3782 77 * 45 = 3465 27 * 69 = 1863 74 / 2 = 37 23 * 72 = 1656 10 / 4 = 2 57 - 55 = 2 93 - 42 = 51 5 / 8 = 0 94 + 71 = 165 87 - 99 = -12 30 * 20 = 600 36 * 52 = 1872 31 * 14 = 434 85 * 16 = 1360 76 * 33 = 2508 41 * 21 = 861 68 * 83 = 5644 93 - 66 = 27 36 - 88 = -52 14 * 83 = 1162 56 + 72 = 128