2 减法 1 等于多少？

2 - 1 = 1

2减法1 等于 1

竖式演算

2-11

验算

  • 用加法验算：1 + 1 = 2

相关题目

2 - 2 = 0 1 - 1 = 0 3 - 1 = 2 4 - 1 = 3 5 - 1 = 4 6 - 1 = 5 7 - 1 = 6 8 - 1 = 7 9 - 1 = 8 3 - 2 = 1 4 - 3 = 1 5 - 4 = 1 6 - 5 = 1 7 - 6 = 1 8 - 7 = 1 23 - 20 = 3 52 - 22 = 30 86 - 15 = 71 78 - 31 = 47 36 - 26 = 10 90 - 20 = 70 1 × 1 = 1 71 - 5 = 66 100 - 65 = 35 74 - 65 = 9 34 - 22 = 12 66 - 53 = 13 16 - 3 = 13