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Презентация "Задачи олимпиадного характера"

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PROBLEMS Extracurricular study in mathematics, 7th grade Academic supervisor:...
315 Which values of k cause the lines y = 2x – 5, y = x + 2, and y = kx – 12...
364 Roma really likes fantasy and reads three or four pages of a fantasy nove...
419 The “Pups” company has purchased an automobile on sale at 35% below its o...
450 “Tell me, oh famous Pythagoras, how many students attend your talks?” “Th...
454 It takes a squirrel 20 minutes to carry a nut into her nest. The squirrel...
457 Present the polynomial x4 – 7x2 +1 as a product of two polynomials with w...
ЛИТЕРАТУРА: МАТЕМАТИКА, 7-8 классы Задания для подготовки к олимпиадам Ю.В....
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Описание презентации по отдельным слайдам:

№ слайда 1 PROBLEMS Extracurricular study in mathematics, 7th grade Academic supervisor:
Описание слайда:

PROBLEMS Extracurricular study in mathematics, 7th grade Academic supervisor: Fedotova G.L.

№ слайда 2 315 Which values of k cause the lines y = 2x – 5, y = x + 2, and y = kx – 12
Описание слайда:

315 Which values of k cause the lines y = 2x – 5, y = x + 2, and y = kx – 12 to intersect in a single point?

№ слайда 3 364 Roma really likes fantasy and reads three or four pages of a fantasy nove
Описание слайда:

364 Roma really likes fantasy and reads three or four pages of a fantasy novel during each break. He never reads during or after classes. He goes to school five days a week, sitting 28 classes weekly. Last week he has read a total of 78 pages during breaks. Find the number of breaks during which Roma has read four pages.

№ слайда 4 419 The “Pups” company has purchased an automobile on sale at 35% below its o
Описание слайда:

419 The “Pups” company has purchased an automobile on sale at 35% below its original price, and sold it at 25% below its original price. Calculate the percentage of acquired profit.

№ слайда 5 450 “Tell me, oh famous Pythagoras, how many students attend your talks?” “Th
Описание слайда:

450 “Tell me, oh famous Pythagoras, how many students attend your talks?” “This many,” the philosopher responded, “one half studies mathematics, one quarter studies music, one seventh remains silent, and aside from that, there are three women. Calculate for yourself how many students I have.”

№ слайда 6 454 It takes a squirrel 20 minutes to carry a nut into her nest. The squirrel
Описание слайда:

454 It takes a squirrel 20 minutes to carry a nut into her nest. The squirrel runs at 3 m/s with the nut, and at 5 m/s without the nut. How far is the nut tree from the nest?

№ слайда 7 457 Present the polynomial x4 – 7x2 +1 as a product of two polynomials with w
Описание слайда:

457 Present the polynomial x4 – 7x2 +1 as a product of two polynomials with whole coefficients.

№ слайда 8 ЛИТЕРАТУРА: МАТЕМАТИКА, 7-8 классы Задания для подготовки к олимпиадам Ю.В.
Описание слайда:

ЛИТЕРАТУРА: МАТЕМАТИКА, 7-8 классы Задания для подготовки к олимпиадам Ю.В. Лепёхин, Волгоград, 2014

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Краткое описание документа:

Шесть задач на разные темы для занятия математического кружка. Задачи представлены на английском языке, для учащихся школ с углублённым изучением английского языка, без решений и комментариев.Использован материал из книги Ю.В.Лепёхина "Задания для подготовки к олимпиадам", Математика 7-8 классы, Волгоград, 2014
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Дата добавления 31.08.2016
Раздел Математика
Подраздел Презентации
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Номер материала ДБ-172336
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