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Dannaya kniga - jeto razrabotka didakticheskih materialov, sposobstvujushhih formirovaniju umeniya operirovat' s modulem i primenyat' ego kak sredstvo vliyaniya na ravnosil'nost' uravnenij v processe ih resheniya. Takim obrazom, obektom issledovaniya byla vybrana liniya uravnenij shkol'nogo kursa algebry, a ego predmetom - uravneniya, soderzhashhie znak modulya, i uravneniya, process resheniya kotoryh predpolagaet neobhodimost' ego ispol'zovaniya.