40 减法 20 等于多少？

40 - 20 = 20

40减法20 等于 20

竖式演算

40-2020

验算

  • 用加法验算：20 + 20 = 40

相关题目

40 - 19 = 21 40 - 21 = 19 40 - 22 = 18 40 - 18 = 22 40 - 23 = 17 40 - 17 = 23 40 - 24 = 16 40 - 16 = 24 39 - 20 = 19 41 - 20 = 21 38 - 20 = 18 42 - 20 = 22 43 - 20 = 23 37 - 20 = 17 44 - 20 = 24 36 - 20 = 16 21 - 1 = 20 22 - 2 = 20 23 - 3 = 20 24 - 4 = 20 25 - 5 = 20 26 - 6 = 20 68 - 22 = 46 75 - 4 = 71 85 - 65 = 20 39 - 37 = 2 22 - 10 = 12 92 - 61 = 31 12 + 8 = 20 10 + 10 = 20