7 加法 15 等于多少？

7 + 15 = 22

7加法15 等于 22

竖式演算

17+1522

验算

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

相关题目

7 + 14 = 21 7 + 16 = 23 7 + 13 = 20 7 + 17 = 24 7 + 12 = 19 7 + 18 = 25 7 + 11 = 18 7 + 19 = 26 6 + 15 = 21 8 + 15 = 23 5 + 15 = 20 9 + 15 = 24 4 + 15 = 19 10 + 15 = 25 11 + 15 = 26 3 + 15 = 18 1 + 21 = 22 2 + 20 = 22 3 + 19 = 22 4 + 18 = 22 5 + 17 = 22 6 + 16 = 22 43 + 96 = 139 16 + 8 = 24 92 + 92 = 184 66 + 82 = 148 58 + 50 = 108 95 + 22 = 117 51 - 29 = 22 60 - 38 = 22