作业帮(3.91-3又3/7+6.09-6又4/7)x(-1)2009次方+(1除2/3-1.5)x2009怎么算
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(3.91-3又3/7+6.09-6又4/7)x(-1)2009次方+(1除2/3-1.5)x2009怎么算
(3.91-3又3/7+6.09-6又4/7)x(-1)2009次方+(1除2/3-1.5)x2009怎么算
(3.91-3又3/7+6.09-6又4/7)x(-1)2009次方+(1除2/3-1.5)x2009怎么算
(3.91-3又3/7+6.09-6又4/7)x(-1)2009次方+(1除2/3-1.5)x2009
=(3.91+6.09-3又3/7-6又4/7)x(-1)+(1.5-1.5)x2009
=(10-10)x(-1)+0x2009
=0