求翻译：今天上午我呆在家里做作业。我做的是数学作业。这本数学作业很难。我每做一题都要算好久。这本作业上也有很多难题。忽然我遇到了一道很难的数学题。怎么解也解不出来。最后我决定去问舅舅。舅舅给我讲解了之后。我一下就懂了。我好高兴啊。我们如果不懂就要问。是什么意思？

This morning I stayed at home doing his homework. I do math homework. This math homework is hard. I count every one for a long time. This job also has many problems. Suddenly I encountered a difficult mathematical problem. How to work out solutions for. Finally, I decided to ask my uncle. After Uncle explained to me. I would understand. I am so happy. We are asked if you don't understand.