87 减法 17 等于多少？
87 - 17 = 70
87减法17 等于 70
竖式演算
验算
- 用加法验算：70 + 17 = 87
相关题目
87 - 16 = 71
87 - 18 = 69
87 - 15 = 72
87 - 19 = 68
87 - 20 = 67
87 - 14 = 73
87 - 21 = 66
87 - 13 = 74
86 - 17 = 69
88 - 17 = 71
85 - 17 = 68
89 - 17 = 72
90 - 17 = 73
84 - 17 = 67
91 - 17 = 74
83 - 17 = 66
71 - 1 = 70
72 - 2 = 70
73 - 3 = 70
74 - 4 = 70
75 - 5 = 70
76 - 6 = 70
92 - 10 = 82
94 - 41 = 53
94 - 70 = 24
49 - 22 = 27
79 - 47 = 32
48 - 13 = 35
48 + 22 = 70
58 + 12 = 70