用数学方法写一篇作文【一】
My dear English teacher:
From my English, I will contact a deeply like English. English let me open view, let me understand the culture of different region amorous feelings to.
I want to use English freely and talk to people, but my spoken English is very bad.Language is a kind of habit, I find it hard to correct his poor pronunciation, this makes me very distressed, but I have worked very hard in the improved.
I feel that learning English is the key to read more look more, I like reading comprehension, it not only let me get some knowledge, but also let me realize the happiness of learning English, I feel very proud can read English article.
Thank you for teaching me. I believe in your teachings, I can certainly through their efforts to learn English well.
Best wishes for you!
Yours,nidemingzi
Yours
XXX
用数学方法写一篇作文【二】
1．重点：学会比较亿以内数的大小。能把整万的数改写用“万”作单位的数。
2．难点：学会比较位数相同亿以内数的大小。能正确地省略万后面的尾数写出它的近似数。
3．关键：以比较万以内数为基础，把个级比较方法推广到万级，能正确比较亿以内数的大小。把生活中的某些镜头带到学生面前，由果到因，让学生体会“近似值”在社会生活中的实际应用。
用数学方法写一篇作文【三】
：在实际生活中，为了计数的简便，可以把一个较大的数改写成以万或亿为单位的数。改写后的数是原数的准确数。 例如把 1254300000 改写成以万做单位的数是 125430 万;改写成 以亿做单位 的数 12.543 亿。
用数学方法写一篇作文【四】
1．使学生学会比较亿以内数的大小。
2．培养学生比较、分析、类推的能力。
3．会将整万的数改成用“万”作单位的数。
4．会用“四舍五入”法省略亿以内数万后面的尾数，求出它的近似数。
5．引导学生观察、体验数学与生活的密切联系，让学生数学知识来源于生活，服务于生活，培养学生主动探究的精神和用数学的意识。
用数学方法写一篇作文【五】
Dear Gack
How are you? I am Mike,I am 14 yaars old and my birthday in November ,I can speak Chinese and a little Franch .I am from China. I want to be a doctor , I think it will help many people and it is very cool in a white unifrom ,I live in lin tong.
how about you?can you wrte to me soon?
Yours,
Li Hua
