87 减法 70 等于多少？
87 - 70 = 17
87减法70 等于 17
竖式演算
验算
- 用加法验算：17 + 70 = 87
相关题目
87 - 69 = 18
87 - 71 = 16
87 - 68 = 19
87 - 72 = 15
87 - 67 = 20
87 - 73 = 14
87 - 74 = 13
87 - 66 = 21
86 - 70 = 16
88 - 70 = 18
89 - 70 = 19
85 - 70 = 15
90 - 70 = 20
84 - 70 = 14
91 - 70 = 21
83 - 70 = 13
18 - 1 = 17
19 - 2 = 17
20 - 3 = 17
21 - 4 = 17
22 - 5 = 17
23 - 6 = 17
47 - 44 = 3
77 - 45 = 32
77 - 35 = 42
79 - 5 = 74
58 - 14 = 44
93 - 83 = 10
5 + 12 = 17
1 + 16 = 17