pryamie i krivie linii

pryamie i krivie linii k nam na urok prishel veseliy karandash. on ochen lyubit risovat. davayte posmotrim, chto u nego poluchilos. karandash kosnulsya bumagi i ostavil tochku. skolko tochek narisoval karandash? v matematike prinyato oboznachat tochki bukvami: a, b, v, g, d… chto teper narisoval karandash? bez kontsa i kraya liniya pryamaya. xot sto let po ney idi, ne naydyosh kontsa puti. o kakom svoystve linii idet rech v etom stixotvorenii? u liniy net nachala i net kontsa. mi mojem prodoljit liniyu v odnu i v druguyu storonu. kak poluchit pryamuyu liniyu? mi vozmem list bumagi i slojim ego. liniya sgiba – eto pryamaya liniya. est i drugoy sposob provesti pryamuyu liniyu – s pomoshyu lineyki. postavim tochku a i …

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