Предмет: Математика, автор: veretennikovakarina2

Плиз:)) Помогите срочно))):!!!!

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Автор ответа: tatsach

Ответ:

Пошаговое объяснение:

-11 3/4+(-5 5/6)=-11 9/12-5 10/12=-17 7/12

-17 7/12+(-1 2/3)=-17 7/12-1 8/12=-19 1/4

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