61 加法 87 等于多少？

61 + 86 = 147 61 + 88 = 149 61 + 85 = 146 61 + 89 = 150 61 + 84 = 145 61 + 90 = 151 61 + 83 = 144 61 + 91 = 152 60 + 87 = 147 62 + 87 = 149 59 + 87 = 146 63 + 87 = 150 58 + 87 = 145 64 + 87 = 151 65 + 87 = 152 57 + 87 = 144 48 + 100 = 148 49 + 99 = 148 50 + 98 = 148 51 + 97 = 148 52 + 96 = 148 53 + 95 = 148 16 + 15 = 31 6 + 64 = 70 9 + 38 = 47 18 + 54 = 72 38 + 4 = 42 86 + 20 = 106 74 × 2 = 148 37 × 4 = 148