Question

求思路和过程

Answer 1

追问

这个图有意义吗

追答

那是两条角平分线，角平分线到角两边的距离相等。所以ap 是角 cab 的平分线

借助中间的距离

Answer 2

Dear Dad,
How are you getting on these days? Mother and I are well and everything
here is going on very well.
I'm glad to tell you that I do well in my study. In the mid-term exam,l did well in English, Chinese and physics, but I didn't do well in maths. Though I
did my best,l still have some difficulties in maths. But don't worry about me. My teacher and my classmates will give me much help. I am sure l will do
well in it soon. I hope you'll take good care of yourself.
Do write to me if you have time.
Yours ,
Wang Hai

追问

译文
亲爱的爸爸, 你这些天吗? 母亲和我,一切都很好 这是很好。 我很高兴告诉你,我在学习。 在中期考试,我英语考得很好,中国和物理,但我没做数学。 虽然我 做我最好的,我在数学方面还有些困难。 但不要担心我。 我的老师和我的同学们会给我很多帮助。 我相信我就可以了 在的信息不久就会收到。 我希望你能照顾好自己。 如果你有时间写信给我。 你的, 王海

Answer 3

乁