69 加法 2 等于多少？
69 + 2 = 71
69加法2 等于 71
竖式演算
验算
- 用减法验算：71 − 2 = 69
- 用减法验算：71 − 69 = 2
相关题目
69 + 1 = 70
69 + 3 = 72
69 + 4 = 73
69 + 5 = 74
69 + 6 = 75
69 + 7 = 76
69 + 8 = 77
69 + 9 = 78
68 + 2 = 70
70 + 2 = 72
67 + 2 = 69
71 + 2 = 73
66 + 2 = 68
72 + 2 = 74
65 + 2 = 67
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2 + 69 = 71
3 + 68 = 71
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6 + 65 = 71
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16 + 19 = 35
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79 - 8 = 71