66 加法 72 等于多少？
66 + 72 = 138
66加法72 等于 138
竖式演算
验算
- 用减法验算：138 − 72 = 66
- 用减法验算：138 − 66 = 72
相关题目
66 + 71 = 137
66 + 73 = 139
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66 + 75 = 141
66 + 69 = 135
66 + 76 = 142
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65 + 72 = 137
67 + 72 = 139
64 + 72 = 136
68 + 72 = 140
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39 + 99 = 138
40 + 98 = 138
41 + 97 = 138
42 + 96 = 138
43 + 95 = 138
50 + 75 = 125
63 + 92 = 155
84 + 83 = 167
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3 × 46 = 138
69 × 2 = 138