27 加法 1 等于多少？

27 + 1 = 28

27加法1 等于 28

竖式演算

27+128

验算

  • 用减法验算：28 − 1 = 27
  • 用减法验算：28 − 27 = 1

相关题目

27 + 2 = 29 27 + 3 = 30 27 + 4 = 31 27 + 5 = 32 27 + 6 = 33 27 + 7 = 34 27 + 8 = 35 27 + 9 = 36 26 + 1 = 27 28 + 1 = 29 29 + 1 = 30 25 + 1 = 26 30 + 1 = 31 24 + 1 = 25 31 + 1 = 32 23 + 1 = 24 1 + 27 = 28 2 + 26 = 28 3 + 25 = 28 4 + 24 = 28 5 + 23 = 28 6 + 22 = 28 20 + 53 = 73 14 + 32 = 46 3 + 42 = 45 14 + 2 = 16 8 + 71 = 79 21 + 34 = 55 28 × 1 = 28 98 - 70 = 28