Simplify the following Boolean function F, together with the dont-care conditions d, and then express the simplified function in sum-of-minterms form:

1. F (x, y, z)=(0, 1, 4, 5, 6), d(x, y, z)=(2, 3, 7)
2. F (A, B, C, D)=(0, 6, 8, 13, 14), d(A, B, C, D)=(2, 4, 10)
3. F (A, B, C, D)=(5, 6, 7, 12, 14, 15,), d(A, B, C, D)=(3, 9, 11, 15)
4. F (A, B, C, D)=(4, 12, 7, 2, 10,), d(A, B, C, D)=(0, 6, 8)

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