进行因式分解 2分之1a²(x-2a)²-4分之1a(2a-x)³
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进行因式分解 2分之1a²(x-2a)²-4分之1a(2a-x)³
进行因式分解 2分之1a²(x-2a)²-4分之1a(2a-x)³
进行因式分解 2分之1a²(x-2a)²-4分之1a(2a-x)³
2分之1a²(x-2a)²-4分之1a(2a-x)³
=2分之1a²(2a-x)²-4分之1a(2a-x)³
=4分之1a(2a-x)²(2-2a+x)
(1/2)a"( x - 2a )" - (1/4)a( 2a - x )"'
= ( 2a )( a/4 )( x - 2a )" + ( a/4 )( x - 2a )"'
= ( a/4 )( x - 2a )"[ 2a + ( x - 2a ) ]
= ( a/4 )( x - 2a )"( x - 2a + 2a )
= ( 1/4 )( ax )( x ...
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(1/2)a"( x - 2a )" - (1/4)a( 2a - x )"'
= ( 2a )( a/4 )( x - 2a )" + ( a/4 )( x - 2a )"'
= ( a/4 )( x - 2a )"[ 2a + ( x - 2a ) ]
= ( a/4 )( x - 2a )"( x - 2a + 2a )
= ( 1/4 )( ax )( x - 2a )"
或者
= ( 2a )( a/4 )( 2a - x )" - ( a/4 )( 2a - x )"'
= ( a/4 )( 2a - x )"[ 2a - ( 2a - x ) ]
= ( a/4 )( x - 2a )"( 2a - 2a + x )
= ( 1/4 )( ax )( x - 2a )"
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