27 减法 21 等于多少？

27 - 21 = 6

27减法21 等于 6

竖式演算

27-216

验算

  • 用加法验算：6 + 21 = 27

相关题目

27 - 20 = 7 27 - 22 = 5 27 - 19 = 8 27 - 23 = 4 27 - 24 = 3 27 - 18 = 9 27 - 25 = 2 27 - 17 = 10 26 - 21 = 5 28 - 21 = 7 25 - 21 = 4 29 - 21 = 8 24 - 21 = 3 30 - 21 = 9 31 - 21 = 10 23 - 21 = 2 7 - 1 = 6 8 - 2 = 6 9 - 3 = 6 10 - 4 = 6 11 - 5 = 6 12 - 6 = 6 93 - 83 = 10 68 - 26 = 42 12 - 2 = 10 39 - 19 = 20 78 - 51 = 27 4 + 2 = 6 1 + 5 = 6 2 × 3 = 6