9 加法 4 等于多少？

9 + 4 = 13

9加法4 等于 13

竖式演算

19+413

验算

  • 用减法验算：13 − 4 = 9
  • 用减法验算：13 − 9 = 4

相关题目

9 + 3 = 12 9 + 5 = 14 9 + 2 = 11 9 + 6 = 15 9 + 1 = 10 9 + 7 = 16 9 + 8 = 17 9 + 9 = 18 8 + 4 = 12 10 + 4 = 14 11 + 4 = 15 7 + 4 = 11 12 + 4 = 16 6 + 4 = 10 13 + 4 = 17 5 + 4 = 9 1 + 12 = 13 2 + 11 = 13 3 + 10 = 13 4 + 9 = 13 5 + 8 = 13 6 + 7 = 13 31 + 86 = 117 15 + 26 = 41 6 + 17 = 23 29 + 21 = 50 62 + 65 = 127 92 + 26 = 118 31 - 18 = 13 78 - 65 = 13