15 加法 7 等于多少？

15 + 7 = 22

15加法7 等于 22

竖式演算

115+722

验算

  • 用减法验算：22 − 7 = 15
  • 用减法验算：22 − 15 = 7

相关题目

15 + 6 = 21 15 + 8 = 23 15 + 5 = 20 15 + 9 = 24 15 + 4 = 19 15 + 10 = 25 15 + 11 = 26 15 + 3 = 18 14 + 7 = 21 16 + 7 = 23 13 + 7 = 20 17 + 7 = 24 12 + 7 = 19 18 + 7 = 25 11 + 7 = 18 19 + 7 = 26 1 + 21 = 22 2 + 20 = 22 3 + 19 = 22 4 + 18 = 22 5 + 17 = 22 6 + 16 = 22 56 + 81 = 137 82 + 54 = 136 37 + 7 = 44 40 + 96 = 136 76 + 6 = 82 26 + 28 = 54 42 - 20 = 22 66 - 44 = 22