7 加法 14 等于多少？

7 + 14 = 21

7加法14 等于 21

竖式演算

17+1421

验算

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

相关题目

7 + 13 = 20 7 + 15 = 22 7 + 12 = 19 7 + 16 = 23 7 + 11 = 18 7 + 17 = 24 7 + 10 = 17 7 + 18 = 25 6 + 14 = 20 8 + 14 = 22 5 + 14 = 19 9 + 14 = 23 4 + 14 = 18 10 + 14 = 24 11 + 14 = 25 3 + 14 = 17 1 + 20 = 21 2 + 19 = 21 3 + 18 = 21 4 + 17 = 21 5 + 16 = 21 6 + 15 = 21 90 + 72 = 162 49 + 90 = 139 44 + 36 = 80 38 + 42 = 80 75 + 91 = 166 6 + 78 = 84 36 - 15 = 21 59 - 38 = 21