39 加法 48 等于多少？

39 + 47 = 86 39 + 49 = 88 39 + 46 = 85 39 + 50 = 89 39 + 51 = 90 39 + 45 = 84 39 + 52 = 91 39 + 44 = 83 38 + 48 = 86 40 + 48 = 88 37 + 48 = 85 41 + 48 = 89 42 + 48 = 90 36 + 48 = 84 43 + 48 = 91 35 + 48 = 83 1 + 86 = 87 2 + 85 = 87 3 + 84 = 87 4 + 83 = 87 5 + 82 = 87 6 + 81 = 87 60 + 96 = 156 36 + 83 = 119 97 + 82 = 179 70 + 44 = 114 57 + 51 = 108 4 + 89 = 93 92 - 5 = 87 95 - 8 = 87