87 减法 4 等于多少?
87 - 4 = 83
87减法4 等于 83
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验算
- 用加法验算:83 + 4 = 87
相关题目
87 - 3 = 84
87 - 5 = 82
87 - 2 = 85
87 - 6 = 81
87 - 1 = 86
87 - 7 = 80
87 - 8 = 79
87 - 9 = 78
86 - 4 = 82
88 - 4 = 84
85 - 4 = 81
89 - 4 = 85
90 - 4 = 86
84 - 4 = 80
91 - 4 = 87
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