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