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定义运算[][]=[],称[]=[][]为将点(x,y)映到点(x′,y′)的一...
定义运算[
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]=[
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],称[
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]=[
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]为将点(x,y)映到点(x′,y′)的一次变换.若
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=[
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]把直线y=x上的各点映到这点本身,而把直线y=3x上的各点映到这点关于原点对称的点.则p,q的值分别是( )
A.p=3,q=3
B.p=3,q=-2
C.p=3,q=1
D.p=1,q=1
考点分析:
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