Предмет: Математика, автор: mehdiyevgeray1

дробь 17/24 представили в виде дроби со знаменателем 120. Затем из числителя полученной дроби вычли 25. Какая дробь получилась?

A)1/5 B)1/4 C)1/3 D)1/2
СРОЧНО ПЖЖЖж

Ответы

Автор ответа: Mrdenk
3

1)

\frac{17}{24} = \frac{17 \times 5}{24 \times 5} = \frac{85}{120}

2)

\frac{85 - 25}{120} = \frac{60}{120} = \frac{1}{2}

Ответ: D)

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