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Автор - alinapetrychenko11

Х-(0,52+0,25•0,52х)==140 срочно

Ответ

Автор - dinara04seidi

Х-(0.52+0.25×0.52х)=140

Х-(0.52+0.13х)=140

Х-0.52-0.13х=140

Х-0.13х=140+0.52

0.87х=140.52

Х~161.52

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