21 加法 85 等于多少？

21 + 84 = 105 21 + 86 = 107 21 + 83 = 104 21 + 87 = 108 21 + 82 = 103 21 + 88 = 109 21 + 89 = 110 21 + 81 = 102 20 + 85 = 105 22 + 85 = 107 19 + 85 = 104 23 + 85 = 108 24 + 85 = 109 18 + 85 = 103 25 + 85 = 110 17 + 85 = 102 6 + 100 = 106 7 + 99 = 106 8 + 98 = 106 9 + 97 = 106 10 + 96 = 106 11 + 95 = 106 33 + 28 = 61 13 + 96 = 109 34 + 6 = 40 86 + 43 = 129 70 + 90 = 160 73 + 93 = 166 53 × 2 = 106 2 × 53 = 106