80 加法 21 等于多少？

80 + 20 = 100 80 + 22 = 102 80 + 19 = 99 80 + 23 = 103 80 + 24 = 104 80 + 18 = 98 80 + 25 = 105 80 + 17 = 97 79 + 21 = 100 81 + 21 = 102 78 + 21 = 99 82 + 21 = 103 83 + 21 = 104 77 + 21 = 98 84 + 21 = 105 76 + 21 = 97 1 + 100 = 101 2 + 99 = 101 3 + 98 = 101 4 + 97 = 101 5 + 96 = 101 6 + 95 = 101 71 + 34 = 105 21 + 90 = 111 50 + 61 = 111 8 + 84 = 92 74 + 9 = 83 70 + 43 = 113 39 + 11 = 50 80 + 47 = 127