Immaging that you have a customer that should pay you €10, €10, €20, €30, €30. He already paid you €10, €20. You need to know what he still needs to pay you. How will C#/LINQ helps you to give the answer?
Het is vandaag 19-3-2024, dus is Alex 54 jaren, 11 maanden, 2 weken en 6 dagen oud.
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