Предмет: Математика, автор: anchoysssssssss69

49z-z+38z=249,5
дам десяточку
сложнонепонятна​

Ответы

Автор ответа: KlausNeumann
1

Ответ:

Пошаговое объяснение:

49z-z+38z=249,5

z(49-1+38)=249,5

86z=249,5

z=249,5/86=499/172=2\frac{155}{172}


anchoysssssssss69: спасибо, а как вам баллы перевести?
KlausNeumann: Не знаю. Они сами переводятся наверное. Я здесь недавно.
Автор ответа: Trey55
2

Ответ:

49z-z+38z=249.5

48z+38z=249.5

86z=249.5

z=\frac{249.5}{86} =\frac{2495}{860} =\frac{499}{172} = 2 \frac{155}{172}

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питон В программе используется одномерный целочисленный массив A.
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Поменяйте местами два соседних элемента массива если A[j] > A[j+1] и A[j] четное число.

Определите значение переменной s (сколько раз был совершен обмен ) после выполнения.