87 加法 34 等于多少？
87 + 34 = 121
87加法34 等于 121
竖式演算
验算
- 用减法验算：121 − 34 = 87
- 用减法验算：121 − 87 = 34
相关题目
87 + 33 = 120
87 + 35 = 122
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87 + 36 = 123
87 + 31 = 118
87 + 37 = 124
87 + 38 = 125
87 + 30 = 117
86 + 34 = 120
88 + 34 = 122
85 + 34 = 119
89 + 34 = 123
84 + 34 = 118
90 + 34 = 124
83 + 34 = 117
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21 + 100 = 121
22 + 99 = 121
23 + 98 = 121
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25 + 96 = 121
26 + 95 = 121
63 + 99 = 162
96 + 19 = 115
64 + 48 = 112
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11 × 11 = 121
10 + 25 = 35