80 加法 40 等于多少？

80 + 40 = 120

80加法40 等于 120

竖式演算

180+40120

验算

  • 用减法验算：120 − 40 = 80
  • 用减法验算：120 − 80 = 40

相关题目

80 + 39 = 119 80 + 41 = 121 80 + 38 = 118 80 + 42 = 122 80 + 37 = 117 80 + 43 = 123 80 + 44 = 124 80 + 36 = 116 79 + 40 = 119 81 + 40 = 121 78 + 40 = 118 82 + 40 = 122 83 + 40 = 123 77 + 40 = 117 84 + 40 = 124 76 + 40 = 116 20 + 100 = 120 21 + 99 = 120 22 + 98 = 120 23 + 97 = 120 24 + 96 = 120 25 + 95 = 120 69 + 17 = 86 37 + 38 = 75 91 + 48 = 139 65 + 8 = 73 18 + 78 = 96 38 + 15 = 53 4 × 30 = 120 30 × 4 = 120