9 加法 6 等于多少?
9 + 6 = 15
9加法6 等于 15
竖式演算
验算
- 用减法验算:15 − 6 = 9
- 用减法验算:15 − 9 = 6
相关题目
9 + 5 = 14
9 + 7 = 16
9 + 4 = 13
9 + 8 = 17
9 + 3 = 12
9 + 9 = 18
9 + 2 = 11
9 + 10 = 19
8 + 6 = 14
10 + 6 = 16
11 + 6 = 17
7 + 6 = 13
12 + 6 = 18
6 + 6 = 12
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2 + 13 = 15
3 + 12 = 15
4 + 11 = 15
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93 + 55 = 148
96 + 21 = 117
79 + 18 = 97
84 + 32 = 116
32 + 81 = 113
36 + 35 = 71
59 - 44 = 15
21 - 6 = 15