please help me with my math test..those who are good at it :]

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I have an exam in a few days and I'd just need someone to solve this for me, so I can see the processes of how to go around solving those examples, so I can start doing excersises then. don't mind the language, I think calcalations are pretty much the same everywhere or if needed, the language is slovenian, so you can better help me with those. thanks a lot to anyone who'll be willing to help me :] here's a pic of exam: http://i52.tinypic.com/9tz5ef.jpg