1. Sally tried her best to learn maths but could not learn it well.
对 错

2. Sally spent much more time in singing and dancing than in learning maths.
对 错

3. Her aunt didn't think that girls could be good at maths.
对 错

4. The father asked his sister to teach his daughter how to learn maths.
对 错

5. Sally worked out the problem at last.
对 错