Предмет: Математика, автор: Aset4234

помогите с номером 390 пожалуйста
15б дам

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korshikov784: тебе нужно решение или ответ

Ответы

Автор ответа: korshikov784

1

Пошаговое объяснение:

просто 1 способ: находи в выражении одинаковые числа и зачёркивай их например числитель:2*3*5 знаменатель:3*2 получится целое число 5 ОТВЕТ:5(примечание если над числами есть доп.множитель то умножай и дальше сокращай)

2 способ:

найди в выражении числа которые делятся на какое либо число и дели эти числа на то число на которое они делятся например: знаменатель-45*8 (8 получилось потому что мы число 4 умножили на доп. множитель 2: 4*2=8) понятно?

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