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by: Harold Clarke · Robert ShepherdPaperback 
 
 
 ISBN: 978-0-521-26972-8 ISBN-10: 0-521-26972-5  | 
| See also: | ||
| 1985 | Paperback | Think and Solve Level 3: Mental Maths | 
| 1985 | Paperback | Think and Solve Level 4: Mental Maths | 
| 1985 | Paperback | Think and Solve Level 1: Mental Maths |