74 加法 4 等于多少？
74 + 4 = 78
74加法4 等于 78
竖式演算
验算
- 用减法验算：78 − 4 = 74
- 用减法验算：78 − 74 = 4
相关题目
74 + 3 = 77
74 + 5 = 79
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74 + 6 = 80
74 + 1 = 75
74 + 7 = 81
74 + 8 = 82
74 + 9 = 83
73 + 4 = 77
75 + 4 = 79
76 + 4 = 80
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2 + 76 = 78
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14 + 85 = 99
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25 + 34 = 59
51 + 20 = 71
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84 - 6 = 78