31 减法 9 等于多少？

31 - 9 = 22

31减法9 等于 22

竖式演算

21131-922

验算

  • 用加法验算：22 + 9 = 31

相关题目

31 - 8 = 23 31 - 10 = 21 31 - 11 = 20 31 - 7 = 24 31 - 12 = 19 31 - 6 = 25 31 - 13 = 18 31 - 5 = 26 30 - 9 = 21 32 - 9 = 23 29 - 9 = 20 33 - 9 = 24 28 - 9 = 19 34 - 9 = 25 27 - 9 = 18 35 - 9 = 26 23 - 1 = 22 24 - 2 = 22 25 - 3 = 22 26 - 4 = 22 27 - 5 = 22 28 - 6 = 22 80 - 78 = 2 80 - 17 = 63 60 - 53 = 7 85 - 77 = 8 32 - 26 = 6 91 - 12 = 79 19 + 3 = 22 9 + 13 = 22