22 减法 1 等于多少？

22 - 1 = 21

22减法1 等于 21

竖式演算

22-121

验算

  • 用加法验算：21 + 1 = 22

相关题目

22 - 2 = 20 22 - 3 = 19 22 - 4 = 18 22 - 5 = 17 22 - 6 = 16 22 - 7 = 15 22 - 8 = 14 22 - 9 = 13 21 - 1 = 20 23 - 1 = 22 20 - 1 = 19 24 - 1 = 23 19 - 1 = 18 25 - 1 = 24 26 - 1 = 25 18 - 1 = 17 23 - 2 = 21 24 - 3 = 21 25 - 4 = 21 26 - 5 = 21 27 - 6 = 21 28 - 7 = 21 99 - 81 = 18 89 - 60 = 29 94 - 54 = 40 43 - 41 = 2 46 - 21 = 25 66 - 42 = 24 5 + 16 = 21 18 + 3 = 21