78 减法 74 等于多少？
78 - 74 = 4
78减法74 等于 4
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验算
- 用加法验算：4 + 74 = 78
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78 - 73 = 5
78 - 75 = 3
78 - 76 = 2
78 - 72 = 6
78 - 77 = 1
78 - 71 = 7
78 - 78 = 0
78 - 70 = 8
77 - 74 = 3
79 - 74 = 5
76 - 74 = 2
80 - 74 = 6
75 - 74 = 1
81 - 74 = 7
74 - 74 = 0
82 - 74 = 8
5 - 1 = 4
6 - 2 = 4
7 - 3 = 4
8 - 4 = 4
9 - 5 = 4
10 - 6 = 4
65 - 2 = 63
54 - 10 = 44
14 - 13 = 1
98 - 38 = 60
59 - 57 = 2
67 - 32 = 35
1 × 4 = 4
4 × 1 = 4