Johnston, C. L. 4 0 1911-

Developmental mathematics / 6 6 C.L. Johnston, Alden T. Willis, Gale M. Hughes. - Third edition. - - xiv, 616 pages : illustrations 28 cm. - - - - - . - Johnston/Willis developmental mathemathics series . - Johnston, C. L. 1911- (Carol Lee), Johnston/Willis developmental mathemathics series.0 . - . - 0 .

Includes index.





5

















5







2 = =







90041222

2




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QA152.2 / .J628 19912

512.9 / 220

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