她正在思考一道数学题 这句话怎样写成英语
问题描述：
她正在思考一道数学题 这句话怎样写成英语
答
She is thinking about / of a mathematic question / problem.
答
she is thinking a maths question
答
She is thinking a question about maths.
答
She is thinking about a mathematic question.