(log2(3))^x-(log5(3))^x>=(log2(3))^(-y)-(log5(3))^(-y)
若(log2(3))^x-(log5(3))^x>=(log2(3))^(-y)-(log5(3))^(-y)则A.x+y>0B.x+y<0C.x+y>=0D.x+y<=...
若(log2(3))^x-(log5(3))^x>=(log2(3))^(-y)-(log5(3))^(-y) 则 A.x+y>0 B.x+y<0 C.x+y>=0 D.x+y<=0怎么做?
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