69 加法 70 等于多少？
69 + 70 = 139
69加法70 等于 139
竖式演算
验算
- 用减法验算：139 − 70 = 69
- 用减法验算：139 − 69 = 70
相关题目
69 + 69 = 138
69 + 71 = 140
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69 + 72 = 141
69 + 67 = 136
69 + 73 = 142
69 + 74 = 143
69 + 66 = 135
68 + 70 = 138
70 + 70 = 140
67 + 70 = 137
71 + 70 = 141
66 + 70 = 136
72 + 70 = 142
65 + 70 = 135
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39 + 100 = 139
40 + 99 = 139
41 + 98 = 139
42 + 97 = 139
43 + 96 = 139
44 + 95 = 139
16 + 54 = 70
80 + 92 = 172
93 + 13 = 106
83 + 35 = 118
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57 + 81 = 138
27 + 77 = 104
56 + 1 = 57