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ǰλãҳ > 高考数学压轴专?易错?备战高考《平面向量》难题汇编含答案 - 百度文库

高考数学压轴专?易错?备战高考《平面向量》难题汇编含答案 - 百度文库

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  • 2025/12/11 19:50:29

rrrֱʾʵmֵób꣬2a?b

ģó ⡿

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⿼ֱʾԼģ㣬ڿѧЩʽе⣮

rrrrr20֪a??x,?1? b?1,3a?ba?

??A2 𰸡C

B3

C2 D4

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r??3???1??2

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rrrֱʾʵmֵób꣬2a?bģó ⡿ rrrrrrrQa??1,?3?b??3,m?a?ba?b?1?3?3m?0m?1?b??3,1? rrrr22a?b?2?1,?3???3,1???5,?5?ˣ2a?b?52???5??52ѡC. 㾦 ⿼ֱʾԼģ㣬ڿѧЩʽе⣮ rrrrr20֪a??x,?1? b?1,3a?ba? ??A2 𰸡C B3 C2 D4

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