87 减法 9 等于多少?
87 - 9 = 78
87减法9 等于 78
竖式演算
验算
- 用加法验算:78 + 9 = 87
相关题目
87 - 8 = 79
87 - 10 = 77
87 - 11 = 76
87 - 7 = 80
87 - 12 = 75
87 - 6 = 81
87 - 13 = 74
87 - 5 = 82
86 - 9 = 77
88 - 9 = 79
85 - 9 = 76
89 - 9 = 80
84 - 9 = 75
90 - 9 = 81
91 - 9 = 82
83 - 9 = 74
79 - 1 = 78
80 - 2 = 78
81 - 3 = 78
82 - 4 = 78
83 - 5 = 78
84 - 6 = 78
82 - 73 = 9
76 - 28 = 48
50 - 42 = 8
74 - 68 = 6
81 - 26 = 55
87 - 28 = 59
59 + 19 = 78
32 + 46 = 78