14 加法 7 等于多少？

14 + 7 = 21

14加法7 等于 21

竖式演算

114+721

验算

  • 用减法验算：21 − 7 = 14
  • 用减法验算：21 − 14 = 7

相关题目

14 + 6 = 20 14 + 8 = 22 14 + 5 = 19 14 + 9 = 23 14 + 4 = 18 14 + 10 = 24 14 + 11 = 25 14 + 3 = 17 13 + 7 = 20 15 + 7 = 22 12 + 7 = 19 16 + 7 = 23 11 + 7 = 18 17 + 7 = 24 10 + 7 = 17 18 + 7 = 25 1 + 20 = 21 2 + 19 = 21 3 + 18 = 21 4 + 17 = 21 5 + 16 = 21 6 + 15 = 21 76 + 62 = 138 15 + 38 = 53 18 + 4 = 22 35 + 49 = 84 5 + 26 = 31 86 + 4 = 90 31 - 10 = 21 64 - 43 = 21