7 加法 18 等于多少？

7 + 17 = 24 7 + 19 = 26 7 + 20 = 27 7 + 16 = 23 7 + 21 = 28 7 + 15 = 22 7 + 22 = 29 7 + 14 = 21 6 + 18 = 24 8 + 18 = 26 5 + 18 = 23 9 + 18 = 27 4 + 18 = 22 10 + 18 = 28 11 + 18 = 29 3 + 18 = 21 1 + 24 = 25 2 + 23 = 25 3 + 22 = 25 4 + 21 = 25 5 + 20 = 25 6 + 19 = 25 90 + 52 = 142 39 + 49 = 88 8 + 16 = 24 93 + 74 = 167 5 + 57 = 62 83 + 94 = 177 60 - 35 = 25 45 - 20 = 25