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发布时间:2024-10-14 12:43

ѧеļϸ߼ݴеӦ

ѧУһҪĸϿԱΪijضʵĶ塣Щ֡ĸͼΣdzĸ

ͨôš{ }ʾ磬{1, 2, 3} һ 123 ɵļϡеԪؾȷԡԺԡȷָһҪôϣҪôڣζżеԪزظʾԪص˳Ӱ켯ϵıʡ

߼УϵĸŹ㷺ӦáͨԼϵIJ͹ϵоԸر߼ϵ磬ϵĽͲ㣬԰Ƿ֮ͬصͲ졣

ͨһֱ۵չʾϵ㣺

ʾ
    輯 A = {1, 2, 3, 4} B = {3, 4, 5, 6} A B = {3, 4}  
    A = {1, 2, 3, 4} B = {3, 4, 5, 6} A B = {1, 2, 3, 4, 5, 6}  
  -   A = {1, 2, 3, 4} B = {3, 4, 5, 6} A - B = {1, 2}  

ݴ棬ϵĸͬҪáݿУݵɸѡ϶Իڼϵ˼ʵ֡ͨȷضݿϽвܹЧػȡϢ

⣬ڱУݽṹҲ㷺ӦáڿжһԪǷijУԼмϵĺϲཻȲӶ߳Чʡ

֮ΪѧеҪΪ߼ṩ˻ʵʵݴӦзŹؼãǸЧ֯ʹϢ

α༭ֻ

Ľ߱˹۵㣬Ѷ޹ءѶվг۵жϱݵ׼ȷԡɿԻṩκʾʾı֤߽οгеȫΡ䣺news_center@staff.hexun.com

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