Предмет: Алгебра, автор: 9999Ksenya999

ПОМОГИТЕ ПОЖАЛУЙСТА, ОЧЕНЬ СРОЧНО!!1!!1 Бред писать не нужно, только правильные ответы!!!

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Автор ответа: NoLikc

0

1. 1)б 2)а 3)в
2) 4*5( 5²-4²)=20*9=180
3)х=4
4) к=3
5)1б 2в 3а
6)в
8)в

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