4 加法 9 等于多少？

4 + 9 = 13

4加法9 等于 13

竖式演算

14+913

验算

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

相关题目

4 + 8 = 12 4 + 10 = 14 4 + 11 = 15 4 + 7 = 11 4 + 12 = 16 4 + 6 = 10 4 + 13 = 17 4 + 5 = 9 3 + 9 = 12 5 + 9 = 14 2 + 9 = 11 6 + 9 = 15 1 + 9 = 10 7 + 9 = 16 8 + 9 = 17 9 + 9 = 18 1 + 12 = 13 2 + 11 = 13 3 + 10 = 13 5 + 8 = 13 6 + 7 = 13 7 + 6 = 13 62 + 53 = 115 36 + 72 = 108 69 + 7 = 76 95 + 21 = 116 32 + 76 = 108 16 + 65 = 81 20 - 7 = 13 73 - 60 = 13