Предмет: Математика, автор: Аноним

Помогите!18/81=6/27 чи є пропорцією дане числове відношення?

Приложения:

Ответы

Автор ответа: parus77

Ответ:

да,это пропорция

Пошаговое объяснение:

в верной пропорции произведение крайних членов равно произведению средних членов

18/81=6/27

18*27=81*6

486=486

да это пропорция

но можно еще и так

18/81=18:3/81:3= 6/27 после сокращения первой дроби на 3 мы получаем дробь,которая равна второй.

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