87 减法 45 等于多少？
87 - 45 = 42
87减法45 等于 42
竖式演算
验算
- 用加法验算：42 + 45 = 87
相关题目
87 - 44 = 43
87 - 46 = 41
87 - 47 = 40
87 - 43 = 44
87 - 48 = 39
87 - 42 = 45
87 - 49 = 38
87 - 41 = 46
86 - 45 = 41
88 - 45 = 43
85 - 45 = 40
89 - 45 = 44
84 - 45 = 39
90 - 45 = 45
91 - 45 = 46
83 - 45 = 38
43 - 1 = 42
44 - 2 = 42
45 - 3 = 42
46 - 4 = 42
47 - 5 = 42
48 - 6 = 42
24 - 2 = 22
52 - 31 = 21
29 - 18 = 11
95 - 81 = 14
74 - 22 = 52
84 - 14 = 70
7 × 6 = 42
2 × 21 = 42