Предмет: Математика, автор: Аноним

Пожалуйста ПОМОГИТЕ))))))

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Автор ответа: 1976rumailru

0

х+0,8х+6=348

1,8х=348-6

1,8=342

х=342:1.8

х=190Ответ: Первое число "190"

Автор ответа: angrybirds13

0

х+у=348
х/100*80=(100у-600)/100
х*80=100у-600
80х=у-500

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