31 减法 7 等于多少？

31 - 7 = 24

31减法7 等于 24

竖式演算

21131-724

验算

  • 用加法验算：24 + 7 = 31

相关题目

31 - 6 = 25 31 - 8 = 23 31 - 5 = 26 31 - 9 = 22 31 - 4 = 27 31 - 10 = 21 31 - 11 = 20 31 - 3 = 28 30 - 7 = 23 32 - 7 = 25 29 - 7 = 22 33 - 7 = 26 28 - 7 = 21 34 - 7 = 27 35 - 7 = 28 27 - 7 = 20 25 - 1 = 24 26 - 2 = 24 27 - 3 = 24 28 - 4 = 24 29 - 5 = 24 30 - 6 = 24 91 - 65 = 26 73 - 34 = 39 70 - 28 = 42 81 - 57 = 24 70 - 24 = 46 81 - 67 = 14 3 × 8 = 24 12 × 2 = 24