5 加法 20 等于多少？

5 + 19 = 24 5 + 21 = 26 5 + 22 = 27 5 + 18 = 23 5 + 23 = 28 5 + 17 = 22 5 + 24 = 29 5 + 16 = 21 4 + 20 = 24 6 + 20 = 26 3 + 20 = 23 7 + 20 = 27 2 + 20 = 22 8 + 20 = 28 1 + 20 = 21 9 + 20 = 29 1 + 24 = 25 2 + 23 = 25 3 + 22 = 25 4 + 21 = 25 6 + 19 = 25 7 + 18 = 25 40 + 18 = 58 1 + 71 = 72 16 + 52 = 68 60 + 36 = 96 51 + 48 = 99 20 + 65 = 85 80 - 55 = 25 59 - 34 = 25