Ostrovsky A.I. 75 problems in elementary mathematics are simple but.. In Russian /Ostrovskiy A.I. 75 zadach po elementarnoy matematike prostykh, no.. Among the tasks of this book there are - quite simple, mind-solving - intelligence tasks, complex tasks that require constructions and computations. Detailed solutions are given to all tasks, and many or several solutions are given. You are welcome to reach out to us for a detailed description of the copies currently available. Delivery of this book may take longer than usual including extended processing and pre-shipping time, no expedited shipping is available. Please advise us if you have a set date or a deadline to receive your order.SKUalb34f4fe8dc7692e00
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