1 加法 31 等于多少？

1 + 31 = 32

1加法31 等于 32

竖式演算

1+3132

验算

  • 用减法验算：32 − 31 = 1
  • 用减法验算：32 − 1 = 31

相关题目

1 + 30 = 31 1 + 32 = 33 1 + 29 = 30 1 + 33 = 34 1 + 28 = 29 1 + 34 = 35 1 + 35 = 36 1 + 27 = 28 2 + 31 = 33 3 + 31 = 34 4 + 31 = 35 5 + 31 = 36 6 + 31 = 37 7 + 31 = 38 8 + 31 = 39 9 + 31 = 40 2 + 30 = 32 3 + 29 = 32 4 + 28 = 32 5 + 27 = 32 6 + 26 = 32 7 + 25 = 32 40 + 32 = 72 70 + 13 = 83 32 + 64 = 96 26 + 53 = 79 40 + 2 = 42 28 + 20 = 48 75 - 43 = 32 73 - 41 = 32