30 减法 28 等于多少？

30 - 28 = 2

30减法28 等于 2

竖式演算

21030-282

验算

  • 用加法验算：2 + 28 = 30

相关题目

30 - 29 = 1 30 - 27 = 3 30 - 30 = 0 30 - 26 = 4 30 - 25 = 5 30 - 24 = 6 30 - 23 = 7 30 - 22 = 8 29 - 28 = 1 31 - 28 = 3 28 - 28 = 0 32 - 28 = 4 33 - 28 = 5 34 - 28 = 6 35 - 28 = 7 36 - 28 = 8 3 - 1 = 2 4 - 2 = 2 5 - 3 = 2 6 - 4 = 2 7 - 5 = 2 8 - 6 = 2 82 - 29 = 53 70 - 66 = 4 84 - 49 = 35 66 - 9 = 57 60 - 36 = 24 77 - 28 = 49 2 × 1 = 2 1 + 1 = 2