84 加法 5 等于多少？
84 + 5 = 89
84加法5 等于 89
竖式演算
验算
- 用减法验算：89 − 5 = 84
- 用减法验算：89 − 84 = 5
相关题目
84 + 4 = 88
84 + 6 = 90
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84 + 7 = 91
84 + 2 = 86
84 + 8 = 92
84 + 1 = 85
84 + 9 = 93
83 + 5 = 88
85 + 5 = 90
82 + 5 = 87
86 + 5 = 91
87 + 5 = 92
81 + 5 = 86
88 + 5 = 93
80 + 5 = 85
1 + 88 = 89
2 + 87 = 89
3 + 86 = 89
4 + 85 = 89
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6 + 83 = 89
100 + 35 = 135
11 + 8 = 19
16 + 20 = 36
26 + 73 = 99
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7 + 22 = 29
93 - 4 = 89
89 × 1 = 89