求问号等于多少.|---+----+----+------+------|| 2 | 3 | 4 | 15 | 12 ||---+----+----+------+------|| 3 | 4 | 5 | 28 | 20 ||---+----+----+------+------|| 4 | 5 | 6 | 45 | 30 ||---+----+----+------+------|| 5 | 6 | 7 | 66 | 42 ||---+----+----+-----
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求问号等于多少.|---+----+----+------+------|| 2 | 3 | 4 | 15 | 12 ||---+----+----+------+------|| 3 | 4 | 5 | 28 | 20 ||---+----+----+------+------|| 4 | 5 | 6 | 45 | 30 ||---+----+----+------+------|| 5 | 6 | 7 | 66 | 42 ||---+----+----+-----
求问号等于多少.
|---+----+----+------+------|
| 2 | 3 | 4 | 15 | 12 |
|---+----+----+------+------|
| 3 | 4 | 5 | 28 | 20 |
|---+----+----+------+------|
| 4 | 5 | 6 | 45 | 30 |
|---+----+----+------+------|
| 5 | 6 | 7 | 66 | 42 |
|---+----+----+------+------|
| 6 | 7 | 8 | | 56 |
|---+----+----+------+------|
求问号等于多少.|---+----+----+------+------|| 2 | 3 | 4 | 15 | 12 ||---+----+----+------+------|| 3 | 4 | 5 | 28 | 20 ||---+----+----+------+------|| 4 | 5 | 6 | 45 | 30 ||---+----+----+------+------|| 5 | 6 | 7 | 66 | 42 ||---+----+----+-----
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