87 减法 77 等于多少？
87 - 77 = 10
87减法77 等于 10
竖式演算
验算
- 用加法验算：10 + 77 = 87
相关题目
87 - 76 = 11
87 - 78 = 9
87 - 75 = 12
87 - 79 = 8
87 - 74 = 13
87 - 80 = 7
87 - 73 = 14
87 - 81 = 6
86 - 77 = 9
88 - 77 = 11
89 - 77 = 12
85 - 77 = 8
90 - 77 = 13
84 - 77 = 7
91 - 77 = 14
83 - 77 = 6
11 - 1 = 10
12 - 2 = 10
13 - 3 = 10
14 - 4 = 10
15 - 5 = 10
16 - 6 = 10
86 - 50 = 36
67 - 62 = 5
55 - 52 = 3
59 - 49 = 10
88 - 47 = 41
4 + 6 = 10
6 + 4 = 10
7 + 3 = 10