Предмет: Математика, автор: sidgiyaevaizabella72

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Автор ответа: sasha00063100
1
Везде 900 ,400+400=800 оно и лишнее
Автор ответа: lavan5
0

Ответ:

400+400

Пошаговое объяснение:

Т.к все суммы равны 900, а 400+400 равно 800

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