高中数学代数与函数一函数练习题86
题目内容

设集合 http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image001.png,集合 http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image002.png,下列对应关系中是从集合 A到集合 B的映射的是(    )

2021-08-04

A.http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image003.pnghttp://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image004.png

B.http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image003.pnghttp://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image005.png

C.http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image003.pnghttp://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image006.png

D.http://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image003.pnghttp://picflow.koolearn.com/upload/2012-12/08/b7c5ca5c-146c-42f6-8f1e-29fd87c61103/paper.files/image007.png

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