70 减法 67 等于多少？
70 - 67 = 3
70减法67 等于 3
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验算
- 用加法验算：3 + 67 = 70
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70 - 66 = 4
70 - 68 = 2
70 - 65 = 5
70 - 69 = 1
70 - 64 = 6
70 - 70 = 0
70 - 63 = 7
70 - 62 = 8
69 - 67 = 2
71 - 67 = 4
68 - 67 = 1
72 - 67 = 5
67 - 67 = 0
73 - 67 = 6
74 - 67 = 7
75 - 67 = 8
4 - 1 = 3
5 - 2 = 3
6 - 3 = 3
7 - 4 = 3
8 - 5 = 3
9 - 6 = 3
93 - 14 = 79
73 - 44 = 29
91 - 39 = 52
26 - 17 = 9
60 - 52 = 8
58 - 39 = 19
2 + 1 = 3
3 × 1 = 3