27 加法 4 等于多少？

27 + 4 = 31

27加法4 等于 31

竖式演算

127+431

验算

  • 用减法验算：31 − 4 = 27
  • 用减法验算：31 − 27 = 4

相关题目

27 + 3 = 30 27 + 5 = 32 27 + 2 = 29 27 + 6 = 33 27 + 1 = 28 27 + 7 = 34 27 + 8 = 35 27 + 9 = 36 26 + 4 = 30 28 + 4 = 32 29 + 4 = 33 25 + 4 = 29 30 + 4 = 34 24 + 4 = 28 31 + 4 = 35 23 + 4 = 27 1 + 30 = 31 2 + 29 = 31 3 + 28 = 31 4 + 27 = 31 5 + 26 = 31 6 + 25 = 31 38 + 39 = 77 39 + 52 = 91 17 + 58 = 75 81 + 74 = 155 84 + 85 = 169 13 + 28 = 41 60 - 29 = 31 58 - 27 = 31