For the following complex number expressions, simplify.
- (3 + 5i) + (3 + i)
- (3 + 5i) – (3 + i)
- (3 + 5i) * (3 + i)
- (3 + 5i) / (3 + i)
- 6 + 6i
- 4 + 18i
- 14/10 + 12/10 i
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