by C.E.L. Farmer
Paperback
ISBN: 978-0-07-094370-4
ISBN-10: 0-07-094370-2
McGraw-Hill Education · 1989
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by C.E.L. FarmerPaperback
ISBN: 978-0-07-094370-4 ISBN-10: 0-07-094370-2 McGraw-Hill Education · 1989 |
| See also: | ||
| 1989 | Paperback | Challenging Maths: Bk. 3 |
| 1988 | Hardcover | Challenging Maths: Bk. 2 |
| 1970 | Hardcover | Challenging Maths: Bk. 4 |