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San Jose, CA, USA
Online now
Bio: I envisioned bringing the Russian Math approach approach to American students in primary and secondary schools.
@igor-tkachenko-8522
Odessa State University, 1972, with honors, PhD , 1976; Dr. Sc. 1992, Emeritus Professor, Polytechic University, Valencia, Spain, h=20.
Active 6d ago
Joined Oct 3, 2026
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