Предмет: Алгебра, автор: lsksmkssijsns

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Автор ответа: vladialex

Ответ:

если я правильно помню, то разность = a2-a1;

1) (-11-7)/(10-1)=-2

2)(31-10)/7=3

Объяснение:

нужно вычесть из большего номера меньший и разделить на разность номеров

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