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佛坪县中考化学培训/。 汉中小学生辅导班,汉中补习班,汉中中小学辅导,汉中提升学习成绩,汉中中小学培训励志格言:很多的时候,当我们周围的世界、我们周围的情况不尽如人意的时候,很多人常常采用的是对抗或者消极懈怠的态度来对待,结果只能导致自己更加的失落与消退。佛坪县中考化学培训/。

佛坪县中考化学培训/五年级英语阅读理解练习
五年级英语阅读理解练习题示例
一、关于人物与家庭的阅读理解练习
题目示例
There are three people in my family. My father is a worker, he often plays basketball with me. He hopes me to be YAO MING. My mom is a teacher, she often does housework, I often help her. I am very happy with my mom and my father. So, that's my happy family.
问题
What does my father do? 答案:A worker
What does my father like playing? 答案:basketball
Who does my father hope me to be? 答案:Yao Ming
Is my mother a teacher? 答案:Yes, she is
二、关于场景地点的阅读理解练习
题目示例
Look at that boy. His name is Liu Bing. He's a Chinese boy. He is in the kitchen. He likes apples. Su Yang is at home too. She is in the study. She likes drawing. Is Gao Shan at home? No, he is in the park. He is thirsty. He wants to drink some juice. Miss Li is in the office. She is reading.
问题
Where is Liu Bing? 答案:In the kitchen
Where is Su Yang? 答案:In the study
Where is Gao Shan? 答案:In the park
Where is Miss Li? 答案:In the office
三、关于行为活动的阅读理解练习
题目示例
A train stops at a station(车站). A young man wants to come out, but it is raining. A boy is standing under a big umbrella. The young man says to the boy. "Can you go and get us two hambugers, one for you and one for me?" Here are two dollars. Great! say the boy and he goes to buy hamburgers. After some time, the boy is back. He is eating a hamburger. "Where is my hamburger?" asks the young man. "Oh, there is only one hamburger left. So I'm eating mine. Here is your dollar."
问题
Where is the young man? 答案:At a station
What does the young man want to buy? 答案:Hamburgers
Who helps the young man? 答案:A boy
Does the young man get a hambuger? 答案:No, he doesn't
Is the boy clever(聪明的)? 答案:Yes, he is 汉中小学生辅导班,汉中补习班,汉中中小学辅导,汉中提升学习成绩,汉中中小学培训励志格言:书籍是前人的经验。——拉布雷(www.lz1.cn)佛坪县中考化学培训/。

佛坪县中考化学培训/。汉中补习班,汉中初一培训班,汉中高一辅导班,汉中高考冲刺,汉中中小学辅导励志格言:一个人可以变成什么样的人,他就一定会变成什么样的人。这个需要,我们称之为自我实现。---亚伯拉罕-马斯洛。你好,高中党们,知道在高中阶段学习语文、数学、物理、化学、英语这些科目的痛苦吗?地理老是记不住,历史一大堆年代数字,生物那些复杂的知识点,政治的原理原则,还有文综的综合分析,是不是觉得压力山大?
别怕,学大教育来帮你啦!学大一对一辅导,给你量身定制的学习计划,让你在这些科目上游刃有余。想想看,有个专业的老师,就像你的学习伙伴,随时解答你的疑问,跟你一起攻克难关。
语文不再是死记硬背,而是学会欣赏和理解;数学不再是一头雾水,而是变得逻辑清晰;物理不再是遥不可及,而是变得触手可及;化学不再是混乱复杂,而是规律明了;英语不再是哑巴英语,而是流利表达;地理、历史、生物、政治,每一科都有专门的方法和技巧,文综也不再是难啃的硬骨头。
想要成为学霸吗?学大教育,让你在高中学习之路上风雨无阻!快来加入我们,一起向着梦想进发吧!
汉中补习班,汉中初一培训班,汉中高一辅导班,汉中高考冲刺,汉中中小学辅导励志格言:拼命去取得成功,但不要期望一定会成功。——法拉第佛坪县中考化学培训/。

佛坪县中考化学培训/。汉中初中生辅导班,汉中高中生培训,汉中中考培训,汉中高考培训,汉中中小学辅导经典格言:学如不及,犹恐失之。—《论语·秦伯》。小数乘法分配律的实际应用
一、在购物计算中的应用
场景描述
在购物时,我们经常会遇到商品有不同的包装规格或者组合销售的情况,这时候小数乘法分配律就可以帮助我们快速计算总价。例如,苹果每斤
3.5
3.5元,我们想买
2.5
2.5斤,香蕉每斤
2.8
2.8元,想买
3.5
3.5斤。计算总花费时,我们可以把式子写成
3.5
×
2.5
+
2.8
×
3.5
3.5×2.5+2.8×3.5,这里就可以应用乘法分配律
?
×
?
+
?
×
?
=
(
?
+
?
)
×
?
a×c+b×c=(a+b)×c,即
3.5
×
(
2.5
+
3.5
)
=
3.5
×
6
=
21
3.5×(2.5+3.5)=3.5×6=21元。这样可以快速算出购买苹果和香蕉的总花费。
二、在面积计算中的应用
长方形组合面积计算
假设我们有一个大长方形,它由两个小长方形组成。其中一个小长方形的长为
4.2
4.2米,宽为
3
3米;另一个小长方形的长为
4.2
4.2米,宽为
2.5
2.5米。求这个大长方形的面积,我们可以先分别算出两个小长方形的面积再相加,即
4.2
×
3
+
4.2
×
2.5
4.2×3+4.2×2.5,根据乘法分配律可转化为
4.2
×
(
3
+
2.5
)
=
4.2
×
5.5
=
23.1
4.2×(3+2.5)=4.2×5.5=23.1平方米。这样通过乘法分配律简化了计算过程。
三、在工程问题中的应用
工作量分配计算
比如一项工程,甲队每天能完成
1.2
1.2份工作量,工作
5.5
5.5天;乙队每天能完成
1.2
1.2份工作量,工作
4.5
4.5天。计算两队总的工作量,可列式为
1.2
×
5.5
+
1.2
×
4.5
1.2×5.5+1.2×4.5,运用乘法分配律可得
1.2
×
(
5.5
+
4.5
)
=
1.2
×
10
=
12
1.2×(5.5+4.5)=1.2×10=12份工作量。通过乘法分配律可以快速得到两队完成的总工作量。佛坪县中考化学培训/ 汉中小学生辅导班,汉中补习班,汉中中小学辅导,汉中提升学习成绩,汉中中小学培训励志格言:只要有一种无穷的自信充满了心灵,再凭着坚强的意志和独立不羁的才智,总有一天会成功的。——莫泊桑佛坪县中考化学培训/。
