68 加法 84 等于多少？

68 + 83 = 151 68 + 85 = 153 68 + 82 = 150 68 + 86 = 154 68 + 87 = 155 68 + 81 = 149 68 + 88 = 156 68 + 80 = 148 67 + 84 = 151 69 + 84 = 153 66 + 84 = 150 70 + 84 = 154 65 + 84 = 149 71 + 84 = 155 64 + 84 = 148 72 + 84 = 156 52 + 100 = 152 53 + 99 = 152 54 + 98 = 152 55 + 97 = 152 56 + 96 = 152 57 + 95 = 152 34 + 96 = 130 55 + 76 = 131 59 + 45 = 104 78 + 59 = 137 78 + 82 = 160 98 + 98 = 196 76 × 2 = 152 19 × 8 = 152