Processing math: 100%
 
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Question:

 Aug 10, 2021
 #1
avatar+26396 
+3

Question:

 

My attempt:

M=A+C2N=B+D2MN=(A+C)2(B+D)24MN=(A+C)(B+D)4MN=AB+AD+CB+CD

 

laugh

 Aug 10, 2021
edited by heureka  Aug 10, 2021

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