83 加法 7 等于多少？
83 + 7 = 90
83加法7 等于 90
竖式演算
验算
- 用减法验算：90 − 7 = 83
- 用减法验算：90 − 83 = 7
相关题目
83 + 6 = 89
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83 + 4 = 87
83 + 10 = 93
83 + 11 = 94
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84 + 7 = 91
85 + 7 = 92
81 + 7 = 88
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80 + 7 = 87
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2 + 88 = 90
3 + 87 = 90
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35 + 74 = 109
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2 × 45 = 90