8 加法 28 等于多少？

8 + 29 = 37 8 + 27 = 35 8 + 30 = 38 8 + 26 = 34 8 + 31 = 39 8 + 25 = 33 8 + 32 = 40 8 + 24 = 32 7 + 28 = 35 9 + 28 = 37 6 + 28 = 34 10 + 28 = 38 11 + 28 = 39 5 + 28 = 33 12 + 28 = 40 4 + 28 = 32 1 + 35 = 36 2 + 34 = 36 3 + 33 = 36 4 + 32 = 36 5 + 31 = 36 6 + 30 = 36 27 + 23 = 50 95 + 50 = 145 35 + 80 = 115 91 + 25 = 116 62 + 72 = 134 93 + 35 = 128 89 - 53 = 36 87 - 51 = 36