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Current edition

192 pages • missing pub info (editions)

nonfiction mathematics informative medium-paced

192 pages • missing pub info (editions)

nonfiction mathematics informative medium-paced

Other editions (1)

256 pages • first pub 1959 (editions)

nonfiction mathematics challenging reflective medium-paced

256 pages • first pub 1959 (editions)

nonfiction mathematics challenging reflective medium-paced

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