9 加法 22 等于多少？

9 + 22 = 31

9加法22 等于 31

竖式演算

19+2231

验算

  • 用减法验算：31 − 22 = 9
  • 用减法验算：31 − 9 = 22

相关题目

9 + 21 = 30 9 + 23 = 32 9 + 20 = 29 9 + 24 = 33 9 + 19 = 28 9 + 25 = 34 9 + 26 = 35 9 + 18 = 27 8 + 22 = 30 10 + 22 = 32 11 + 22 = 33 7 + 22 = 29 12 + 22 = 34 6 + 22 = 28 13 + 22 = 35 5 + 22 = 27 1 + 30 = 31 2 + 29 = 31 3 + 28 = 31 4 + 27 = 31 5 + 26 = 31 6 + 25 = 31 72 + 30 = 102 82 + 87 = 169 27 + 16 = 43 84 + 43 = 127 13 + 91 = 104 80 + 68 = 148 50 - 19 = 31 77 - 46 = 31