Предмет: Алгебра, автор: yusup240412

Как решить +(+9+10)=

Ответы

Автор ответа: mrsliderov

Ответ:

9+10=19

Объяснение:

Автор ответа: spanchbob2490

9+10=19

+ означает что число додатнє

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