87 减法 78 等于多少？

87 - 78 = 9

87减法78 等于 9

竖式演算

71787-789

验算

  • 用加法验算：9 + 78 = 87

相关题目

87 - 77 = 10 87 - 79 = 8 87 - 76 = 11 87 - 80 = 7 87 - 75 = 12 87 - 81 = 6 87 - 74 = 13 87 - 82 = 5 88 - 78 = 10 86 - 78 = 8 89 - 78 = 11 85 - 78 = 7 90 - 78 = 12 84 - 78 = 6 91 - 78 = 13 83 - 78 = 5 10 - 1 = 9 11 - 2 = 9 12 - 3 = 9 13 - 4 = 9 14 - 5 = 9 15 - 6 = 9 61 - 52 = 9 50 - 48 = 2 84 - 39 = 45 64 - 8 = 56 91 - 83 = 8 90 - 73 = 17 7 + 2 = 9 1 + 8 = 9