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 4 + 18 = 22 70 + 58 = 128 77 + 80 = 157 93 + 81 = 174 53 + 74 = 127 94 + 72 = 166 54 - 33 = 21 96 - 75 = 21