Вдвух пачках 156 тетрадей, число в 1 пачке состовляет шесть седьмых числа другой пачки. скалько тетрадей в каждой пачке?

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Ответ:

larisa2912200

08.10.2020

І - 6/7х } 156 тетр.

ІІ - х }

х+6/7х=156

13/7х=156

х=156:13/7

х=84(тетр) - во ІІ пачке

156-84=72(тетр) - в І пачке

4,6(91 оценок)

Ответ:

zaaz123

08.10.2020

пусть во второй пачке Х тетрадей, тогда в первой 6/7х тетрадей.зная что всего 156 тетрадей составим уравнение

х+6/7х=156

13/7х=156

х=84 во второй пачке

156-84=72 в первой пачке

4,4(57 оценок)

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Ответ:

Вайнесс

08.10.2020

299...3 -> 119...3 -> 29...3 ->...->23->5
Посредством четырех тысяч тридцати пяти операций мистер Фокс получил из числа 299999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999993 цифру 5.

4,5(19 оценок)

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