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45 (X3)+23(X3)+42X=

 Mar 18, 2017
 #1
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45 (X3)+23(X3)+42X=

 

45x3+23x3+42x=68x3+42x 

 

=2217x3+237x

 

laugh  !

 Mar 18, 2017
edited by asinus  Mar 18, 2017
edited by asinus  Mar 18, 2017

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