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2020年宁夏银川一中高考数学一模试?文科) - 百度文库

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  • 2025/5/6 14:23:54

|AB|?|?1??2|?3?[ѡ4-5ʽѡ]

210 523֪xIJʽ|x?2|?|x?3||m?1|н⣬ʵmֵΪM 1Mֵ

2abca?2b?c?M֤

11?1 a?bb?c𡿽⣺1ɾֵʽ|x?2|?|x?3||x?2?(x?3)|?5 ʽ|x?2|?|x?3||m?1|н⣬ |m?1|?5?6m4

?M?4

12ɣ1֪abca?2b?c?4[(a?b)?(b?c)]?1

4?

111111b?ca?b1b?ca?b1??[(a?b)?(b?c)](?)?(1?1??)(2?2g)?4?1a?bb?c4a?bb?c4a?bb?c4a?bb?c4 ҽ

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b?ca?ba?b?b?c?2a?ca?b?2ʱȡȺţ ?a?bb?c11?1 a?bb?c

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|AB|?|?1??2|?3?[ѡ4-5ʽѡ] 210 523֪xIJʽ|x?2|?|x?3||m?1|н⣬ʵmֵΪM 1Mֵ 2abca?2b?c?M֤11?1 a?bb?c𡿽⣺1ɾֵʽ|x?2|?|x?3||x?2?(x?3)|?5 ʽ|x?2|?|x?3||m?1|н⣬ |m?1|?5?6m4 ?M?4 12ɣ1֪abca?2b?c?4[(a?b)?(b?c)]?1 4?111111b?ca?b1b?ca?b1??[(a?b)?(b?c)](?)?(1?1??)(2?2g)?4?1a?bb?c4a?bb?c4

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