82 减法 78 等于多少？
82 - 78 = 4
82减法78 等于 4
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验算
- 用加法验算：4 + 78 = 82
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82 - 77 = 5
82 - 79 = 3
82 - 76 = 6
82 - 80 = 2
82 - 75 = 7
82 - 81 = 1
82 - 74 = 8
82 - 82 = 0
81 - 78 = 3
83 - 78 = 5
80 - 78 = 2
84 - 78 = 6
79 - 78 = 1
85 - 78 = 7
78 - 78 = 0
86 - 78 = 8
5 - 1 = 4
6 - 2 = 4
7 - 3 = 4
8 - 4 = 4
9 - 5 = 4
10 - 6 = 4
93 - 77 = 16
91 - 17 = 74
50 - 24 = 26
95 - 66 = 29
30 - 18 = 12
31 - 29 = 2
4 × 1 = 4
1 + 3 = 4