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зайны сургалт1

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зайны сургалт1

  1. 1. Зайны сургалт№1•Гурвалжин дүрсийн талбайг олох                                                                        Бодолт: Гурвалжнаа тэгш өнцөгт болтол нь гүйцээж                                                                      зурна.Тэгвэл бидний олох ёстой талбай нь                                                                      үүссэн тэгш өнцөгтийн талбайн хагас нь болж                                                               байна.Иймд S гурвалжин=S тэгш өнцөгт : 2  буюу                                                                                                                                                                      3см х 2см : 2 = 3см.кв болно. 2см                          3смМөн адил тэгш өнцөгт болтол нь гүйцээж зурна.Тэгвэл бидний олох ёстой талбай нь үүссэн хоёртэгш өнцөгтийн тарбайн хагасуудын нийлбэр                   болж байна.Энэ нь том тэгш өнцөгтийн талбайн                    2смхагас юм.Иймд        3см * 2см : 2 = 3см.кв    болно.                                                                                                                                       3см                                                                                                                                                                       

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