7 加法 7 等于多少？

7 + 6 = 13 7 + 8 = 15 7 + 5 = 12 7 + 9 = 16 7 + 4 = 11 7 + 10 = 17 7 + 11 = 18 7 + 3 = 10 6 + 7 = 13 8 + 7 = 15 5 + 7 = 12 9 + 7 = 16 4 + 7 = 11 10 + 7 = 17 11 + 7 = 18 3 + 7 = 10 1 + 13 = 14 2 + 12 = 14 3 + 11 = 14 4 + 10 = 14 5 + 9 = 14 6 + 8 = 14 72 + 52 = 124 58 + 50 = 108 72 + 95 = 167 82 + 47 = 129 66 + 92 = 158 71 + 73 = 144 81 - 67 = 14 41 - 27 = 14