Предмет: Математика, автор: mybith33

Помогите пожалуйста!!!!

Приложения:

NiKeShA15: понятно...
mybith33: А что случилось?
NiKeShA15: нОвЫй ПоЛьЗоВаТеЛь
mybith33: Ты?
NiKeShA15: угу
NiKeShA15: го в дневник ру?
mybith33: Понятно
mybith33: Го
vladlyashko: Добрый день! Можно "лучший ответ"(корону), пожалуйста?
NiKeShA15: угу

Ответы

Автор ответа: vladlyashko
2

Ответ:

4)  100 дм²(0,1 м³)

5) 4\frac{13}{50}

6) A = \frac{2}{12}

B = \frac{4}{12}

C = \frac{10}{12}

E = 1

K = 1\frac{4}{12}

M = 1\frac{9}{12}

Пошаговое объяснение:

4) 2\frac{1}{2} дм = 25 см

3\frac{1}{5} дм = 32 см

12\frac{1}{2} дм = 125 см

V = a * b * c

V = 125 * 32 * 25 = 100000 см³ = 100 дм² = 0,1 м³

5) Среднее арифметическое - сумма чисел, делённая на количество чисел:

3\frac{1}{5} + 8\frac{2}{25} + 1\frac{1}{2} = 3\frac{10}{50} + 8\frac{4}{50} + 1\frac{25}{50} = 12\frac{39}{50} = \frac{639}{50}

\frac{639}{50}:3 = \frac{639}{50} * \frac{1}{3} = \frac{213}{50} = 4\frac{13}{50}

6)

A = \frac{2}{12}

B = \frac{4}{12}

C = \frac{10}{12}

E = 1

K = 1\frac{4}{12}

M = 1\frac{9}{12}


NiKeShA15: спасибо ОЧЕНЬ помог(ла)
vladlyashko: Не за что, главное - поставьте, пожалуйста, корону(лучший ответ)
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