30 + 3 = 33 84 - 14 = 70 35 - 64 = -29 17 / 4 = 4 73 - 80 = -7 42 - 38 = 4 20 * 12 = 240 83 - 24 = 59 8 + 15 = 23 58 - 60 = -6 (FALSCH) 27 + 100 = 127 52 * 15 = 780 85 + 33 = 118 43 - 84 = -41 30 + 77 = 107 69 * 71 = 4899 57 / 9 = 6 72 / 8 = 9 11 + 17 = 28 53 / 3 = 17 60 - 21 = 39 75 - 59 = 16 54 + 100 = 154 29 / 5 = 5 37 + 70 = 107 16 - 39 = -23 85 / 9 = 9 23 * 15 = 345 30 / 7 = 4 80 + 31 = 111 34 / 9 = 3 36 - 78 = -42 10 * 94 = 940 68 / 4 = 17 81 + 69 = 150 39 + 1 = 40 31 / 2 = 15 69 * 71 = 4899 54 - 79 = -25 26 - 39 = -13 88 + 7 = 95 37 / 6 = 6 31 - 99 = -68 57 / 4 = 14