31 加法 13 等于多少？

31 + 13 = 44

31加法13 等于 44

竖式演算

31+1344

验算

  • 用减法验算：44 − 13 = 31
  • 用减法验算：44 − 31 = 13

相关题目

31 + 12 = 43 31 + 14 = 45 31 + 11 = 42 31 + 15 = 46 31 + 10 = 41 31 + 16 = 47 31 + 17 = 48 31 + 9 = 40 30 + 13 = 43 32 + 13 = 45 29 + 13 = 42 33 + 13 = 46 28 + 13 = 41 34 + 13 = 47 35 + 13 = 48 27 + 13 = 40 1 + 43 = 44 2 + 42 = 44 3 + 41 = 44 4 + 40 = 44 5 + 39 = 44 6 + 38 = 44 65 + 2 = 67 72 + 12 = 84 12 + 77 = 89 16 + 31 = 47 35 + 12 = 47 41 + 15 = 56 68 - 24 = 44 2 × 22 = 44