31 减法 11 等于多少？

31 - 11 = 20

31减法11 等于 20

竖式演算

31-1120

验算

  • 用加法验算：20 + 11 = 31

相关题目

31 - 10 = 21 31 - 12 = 19 31 - 13 = 18 31 - 9 = 22 31 - 14 = 17 31 - 8 = 23 31 - 15 = 16 31 - 7 = 24 30 - 11 = 19 32 - 11 = 21 29 - 11 = 18 33 - 11 = 22 34 - 11 = 23 28 - 11 = 17 35 - 11 = 24 27 - 11 = 16 21 - 1 = 20 22 - 2 = 20 23 - 3 = 20 24 - 4 = 20 25 - 5 = 20 26 - 6 = 20 57 - 15 = 42 97 - 82 = 15 69 - 47 = 22 49 - 4 = 45 47 - 13 = 34 72 - 42 = 30 4 × 5 = 20 10 × 2 = 20