Предмет: Математика, автор: акерке52

21×+45=15+14× помогите пожалуйста

Ответы

Автор ответа: Кира16Царёва

21×+45=15+14×
21×-14=15-45
7×= -30
×=-30/7=-4,28
Ответ:-4,28

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