| Publication | Volume | Number | Page |
|---|---|---|---|
| Students' Offering | 6 | 23 | 4 |
Page 4
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Page 6
| Title | Article Summary |
|---|---|
| Proof of multiplication by casting out the nines |
| Publication | Volume | Number | Page |
|---|---|---|---|
| Students' Offering | 6 | 23 | 4 |
| Title | Article Summary |
|---|---|
| Proof of multiplication by casting out the nines |