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(2008•西城区二模)用“&”定义新运算:对于任意实数a,b都有a&b=2a-...
(2008•西城区二模)用“&”定义新运算:对于任意实数a,b都有a&b=2a-b,如果x&(1&3)=2,那么x等于( )
A.1
B.
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C.
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D.2
考点分析:
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