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гулллллл
гулллллл
13.10.2021 18:11 •  Математика

посчитать ((2*10)^2)/(10^2)?

👇
Ответ:

((2*10)^2)/(10^2) = 4

((2*10)^2) = 20² = 400

(10^2) = 10² = 100

400 ÷ 100 = 4

4,5(47 оценок)
Ответ:
NazarKlakovych28
NazarKlakovych28
13.10.2021

4

Пошаговое объяснение:

((2*10)^2)/(10^2)

20^2/100

400/100

=4

4,4(45 оценок)
Открыть все ответы
Ответ:
tseng7788
tseng7788
13.10.2021

Пошаговое объяснение:

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4,6(44 оценок)
Ответ:
vladik33316
vladik33316
13.10.2021
Задачу можно выполнить с метода подстановки 
Мы знаем что расстояние между собакой и хозяином 400 м 
Но оба оба объекта не останавливаются, а значит сколько бы не бежала собака хозяин будет от нее отдалятся 
пусть пройдет время 1 мин 
собака пройдет 150 м а хозяин 70 + 400 = 470 - получается собака за 1 мин не догнала
так же и при 2 мин 
и при 3 мин и при 4 мин
попробуем 5 мин, 5 * 150 = 750 м продела путь собака, а хозяин за 5 мин 5 * 70 = 350 + 400 = 700 м - вот и догнала собака своего хозяина за 5 мин
4,8(90 оценок)
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