99 加法 72 等于多少？
99 + 72 = 171
99加法72 等于 171
竖式演算
验算
- 用减法验算：171 − 72 = 99
- 用减法验算：171 − 99 = 72
相关题目
99 + 71 = 170
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99 + 75 = 174
99 + 69 = 168
99 + 76 = 175
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98 + 72 = 170
100 + 72 = 172
97 + 72 = 169
96 + 72 = 168
95 + 72 = 167
94 + 72 = 166
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72 + 99 = 171
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46 + 86 = 132
45 + 69 = 114
59 + 55 = 114
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19 × 9 = 171