Предмет: Математика, автор: mxx2140gmailcom

по действиям пожалуйста

Приложения:

Ответы

Автор ответа: lenurasulejmanova

Ответ:

Вот это точно правильно

Приложения:

mxx2140gmailcom: спс

lenurasulejmanova: не за что)

lenurasulejmanova: если не трудно поставь как проверенный ответ пожалуйста.

mxx2140gmailcom: а как¿

lenurasulejmanova: ну ты ставишь оценку и там выходит ну поставить как проверенный

Автор ответа: retton

Ответ:

0,5

Пошаговое объяснение:

Первое действие в скобках

$\frac{5}{18}-\frac{7}{24}$ .

Приводим к общему знаменателю,который равен 72.

$\frac{20-21}{72} = -\frac{1}{72}$

Далее $3\frac{3}{5}$ × $(-\frac{1}{72} )$ = $-\frac{1}{20}$

Следующее действие это сложение и вычитание

$\frac{3}{4}+(-\frac{1}{20})=\frac{7}{10}$

$\frac{7}{10} - \frac{1}{5} = \frac{1}{2}$ ≅ 0,5

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≅ 0,5

по действиям пожалуйста

$\frac{7}{10} - \frac{1}{5} = \frac{1}{2}$ ≅ 0,5