60 加法 9 等于多少？
60 + 9 = 69
60加法9 等于 69
竖式演算
验算
- 用减法验算：69 − 9 = 60
- 用减法验算：69 − 60 = 9
相关题目
60 + 8 = 68
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60 + 7 = 67
60 + 12 = 72
60 + 6 = 66
60 + 13 = 73
60 + 5 = 65
59 + 9 = 68
61 + 9 = 70
58 + 9 = 67
62 + 9 = 71
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2 + 67 = 69
3 + 66 = 69
4 + 65 = 69
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6 + 63 = 69
63 + 10 = 73
20 + 16 = 36
24 + 31 = 55
55 + 41 = 96
12 + 46 = 58
85 + 14 = 99
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90 - 21 = 69