87 减法 66 等于多少？

87 - 66 = 21

87减法66 等于 21

竖式演算

87-6621

验算

  • 用加法验算：21 + 66 = 87

相关题目

87 - 65 = 22 87 - 67 = 20 87 - 64 = 23 87 - 68 = 19 87 - 69 = 18 87 - 63 = 24 87 - 70 = 17 87 - 62 = 25 86 - 66 = 20 88 - 66 = 22 85 - 66 = 19 89 - 66 = 23 84 - 66 = 18 90 - 66 = 24 91 - 66 = 25 83 - 66 = 17 22 - 1 = 21 23 - 2 = 21 24 - 3 = 21 25 - 4 = 21 26 - 5 = 21 27 - 6 = 21 86 - 10 = 76 46 - 10 = 36 69 - 55 = 14 67 - 36 = 31 17 - 1 = 16 99 - 15 = 84 3 + 18 = 21 21 × 1 = 21