A  B  C  |  F 
---------+----
0  0  0  |  1 
0  0  1  |  0
0  1  0  |  1
0  1  1  |  1
1  0  0  |  0
1  0  1  |  0
1  1  0  |  1
1  1  1  |  0

1. SUM m(1,4,5,7)
2. PRD M(0,2,3,6)
3. SUM m(0,1,2,3,6)
4. PRD M(1,4,5,7)
5. SUM m(0,2,3,5)

1 is WRONG. SUM m(1,4,5,7) implies, by property of maxterms, that F = 1 in rows 2,4, and 6. Thus, this is the expression for F'.

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